./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-40.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_25-1loop_file-40.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 08c7e61f5459d5fc0a0cd65e2d0a5eb61e01ee4aec3eee7dfe70e8ab0a3470e9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:17:53,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:17:53,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 13:17:53,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:17:53,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:17:53,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:17:53,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:17:53,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:17:53,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:17:53,822 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:17:53,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:17:53,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:17:53,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:17:53,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:17:53,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:17:53,824 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:17:53,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:17:53,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:17:53,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:17:53,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:17:53,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:17:53,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:17:53,826 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 -> 08c7e61f5459d5fc0a0cd65e2d0a5eb61e01ee4aec3eee7dfe70e8ab0a3470e9 [2025-01-09 13:17:54,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:17:54,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:17:54,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:17:54,088 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:17:54,088 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:17:54,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:17:55,376 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/894f33e2d/9227c20d91b340aa9c6dd4d0d5957f01/FLAG534cc6704 [2025-01-09 13:17:55,665 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:17:55,666 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:17:55,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/894f33e2d/9227c20d91b340aa9c6dd4d0d5957f01/FLAG534cc6704 [2025-01-09 13:17:55,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/894f33e2d/9227c20d91b340aa9c6dd4d0d5957f01 [2025-01-09 13:17:55,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:17:55,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:17:55,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:17:55,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:17:55,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:17:55,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4414e23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55, skipping insertion in model container [2025-01-09 13:17:55,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:17:55,823 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_25-1loop_file-40.i[915,928] [2025-01-09 13:17:55,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:17:55,889 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:17:55,900 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_25-1loop_file-40.i[915,928] [2025-01-09 13:17:55,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:17:55,949 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:17:55,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55 WrapperNode [2025-01-09 13:17:55,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:17:55,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:17:55,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:17:55,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:17:55,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,981 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2025-01-09 13:17:55,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:17:55,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:17:55,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:17:55,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:17:55,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,998 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 13:17:55,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:55,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:17:56,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:17:56,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:17:56,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:17:56,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (1/1) ... [2025-01-09 13:17:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:17:56,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:17:56,043 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 13:17:56,049 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 13:17:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:17:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:17:56,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:17:56,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 13:17:56,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:17:56,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:17:56,124 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:17:56,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:17:56,317 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-01-09 13:17:56,318 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:17:56,329 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:17:56,329 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 13:17:56,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:56 BoogieIcfgContainer [2025-01-09 13:17:56,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:17:56,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:17:56,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:17:56,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:17:56,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:17:55" (1/3) ... [2025-01-09 13:17:56,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2af36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:56, skipping insertion in model container [2025-01-09 13:17:56,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:17:55" (2/3) ... [2025-01-09 13:17:56,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2af36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:17:56, skipping insertion in model container [2025-01-09 13:17:56,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:56" (3/3) ... [2025-01-09 13:17:56,338 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:17:56,353 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:17:56,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-40.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:17:56,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:17:56,425 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;@677db123, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:17:56,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:17:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 13:17:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 13:17:56,438 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:17:56,438 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:17:56,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:17:56,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:17:56,446 INFO L85 PathProgramCache]: Analyzing trace with hash -790147736, now seen corresponding path program 1 times [2025-01-09 13:17:56,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:17:56,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153219407] [2025-01-09 13:17:56,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:17:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:17:56,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:17:56,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:17:56,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:17:56,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:17:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-09 13:17:56,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 13:17:56,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153219407] [2025-01-09 13:17:56,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153219407] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:17:56,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 13:17:56,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 13:17:56,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971821752] [2025-01-09 13:17:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:17:56,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 13:17:56,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 13:17:56,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 13:17:56,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 13:17:56,816 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-01-09 13:17:56,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:17:56,879 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2025-01-09 13:17:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 13:17:56,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2025-01-09 13:17:56,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:17:56,886 INFO L225 Difference]: With dead ends: 108 [2025-01-09 13:17:56,886 INFO L226 Difference]: Without dead ends: 56 [2025-01-09 13:17:56,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 13:17:56,891 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 13:17:56,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 133 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 13:17:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-01-09 13:17:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2025-01-09 13:17:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 13:17:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2025-01-09 13:17:56,934 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 97 [2025-01-09 13:17:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:17:56,938 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2025-01-09 13:17:56,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-01-09 13:17:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2025-01-09 13:17:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 13:17:56,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:17:56,943 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:17:56,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 13:17:56,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:17:56,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:17:56,944 INFO L85 PathProgramCache]: Analyzing trace with hash 984859626, now seen corresponding path program 1 times [2025-01-09 13:17:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 13:17:56,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193355530] [2025-01-09 13:17:56,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:17:56,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 13:17:56,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:17:57,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:17:57,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:17:57,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-09 13:17:57,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243168097] [2025-01-09 13:17:57,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:17:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 13:17:57,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:17:57,066 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 13:17:57,068 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 13:17:57,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:17:57,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:17:57,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:17:57,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:17:57,195 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 13:17:57,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:17:57,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:17:57,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:17:57,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 13:17:57,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 13:17:57,291 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 13:17:57,292 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 13:17:57,302 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 13:17:57,494 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 13:17:57,496 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-01-09 13:17:57,566 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 13:17:57,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 01:17:57 BoogieIcfgContainer [2025-01-09 13:17:57,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 13:17:57,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 13:17:57,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 13:17:57,572 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 13:17:57,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:17:56" (3/4) ... [2025-01-09 13:17:57,574 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 13:17:57,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 13:17:57,576 INFO L158 Benchmark]: Toolchain (without parser) took 1890.47ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 65.3MB in the end (delta: 93.5MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2025-01-09 13:17:57,577 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:17:57,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.79ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 146.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 13:17:57,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.75ms. Allocated memory is still 201.3MB. Free memory was 146.3MB in the beginning and 144.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 13:17:57,578 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:17:57,579 INFO L158 Benchmark]: RCFGBuilder took 320.68ms. Allocated memory is still 201.3MB. Free memory was 142.7MB in the beginning and 128.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 13:17:57,579 INFO L158 Benchmark]: TraceAbstraction took 1238.89ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 65.3MB in the end (delta: 62.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-01-09 13:17:57,580 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 201.3MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 13:17:57,581 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 116.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.79ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 146.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.75ms. Allocated memory is still 201.3MB. Free memory was 146.3MB in the beginning and 144.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.68ms. Allocated memory is still 201.3MB. Free memory was 142.7MB in the beginning and 128.1MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1238.89ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 65.3MB in the end (delta: 62.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 201.3MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 45, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed short int var_1_7 = 5; [L26] unsigned long int var_1_9 = 256; [L27] signed char var_1_10 = 10; [L28] signed char var_1_11 = 4; [L29] float var_1_12 = 32.4; [L30] float var_1_13 = 1.2; [L31] float var_1_14 = 64.8; [L32] float var_1_15 = 127.3; [L33] float var_1_16 = 4.02; [L34] signed char var_1_17 = -32; [L35] unsigned long int last_1_var_1_9 = 256; VAL [isInitial=0, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L92] isInitial = 1 [L93] FCALL initially() [L94] int k_loop; [L95] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L95] COND TRUE k_loop < 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L96] RET updateLastVariables() [L97] CALL updateVariables() [L59] var_1_2 = __VERIFIER_nondet_uchar() [L60] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_3=0, var_1_7=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_3=0, var_1_7=5, var_1_9=256] [L60] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_3=0, var_1_7=5, var_1_9=256] [L61] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L61] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=0, var_1_7=5, var_1_9=256] [L62] var_1_3 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_7=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_7=5, var_1_9=256] [L63] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_7=5, var_1_9=256] [L64] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=5, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=5, var_1_9=256] [L64] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=5, var_1_9=256] [L65] var_1_7 = __VERIFIER_nondet_short() [L66] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L66] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L67] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L67] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L68] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L68] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=10, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L69] var_1_10 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L70] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L71] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L71] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=4, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L72] var_1_11 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L74] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L74] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_13=6/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L76] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_14=324/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L78] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_15=1273/10, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L80] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_16=201/50, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L82] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=256] [L97] RET updateVariables() [L98] CALL step() [L39] COND TRUE (var_1_10 - var_1_11) >= last_1_var_1_9 [L40] var_1_9 = (var_1_11 + 2u) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=162/5, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L42] COND FALSE !(\read(var_1_2)) [L45] var_1_12 = ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-32, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L47] var_1_17 = -4 VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-4, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L48] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-4, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L98] RET step() [L99] CALL, EXPR property() [L88-L89] return (((var_1_2 ? ((var_1_3 && (var_1_12 <= (- 63.9f))) ? ((var_1_12 >= var_1_12) ? (((var_1_9 / var_1_7) <= var_1_9) ? (var_1_1 == ((signed long int) var_1_9)) : 1) : 1) : 1) : 1) && (((var_1_10 - var_1_11) >= last_1_var_1_9) ? (var_1_9 == ((unsigned long int) (var_1_11 + 2u))) : 1)) && (var_1_2 ? (var_1_12 == ((float) ((((((((var_1_13 - var_1_14) < 0 ) ? -(var_1_13 - var_1_14) : (var_1_13 - var_1_14)))) < (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (((((var_1_13 - var_1_14) < 0 ) ? -(var_1_13 - var_1_14) : (var_1_13 - var_1_14)))) : (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))))) : (var_1_12 == ((float) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))))) && (var_1_17 == ((signed char) -4)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-4, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-4, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=256, var_1_10=-1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=0, var_1_17=-4, var_1_1=-4, var_1_2=0, var_1_3=1, var_1_7=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 78 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-01-09 13:17:57,603 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_25-1loop_file-40.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 08c7e61f5459d5fc0a0cd65e2d0a5eb61e01ee4aec3eee7dfe70e8ab0a3470e9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 13:17:59,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 13:17:59,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 13:17:59,876 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 13:17:59,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 13:17:59,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 13:17:59,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 13:17:59,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 13:17:59,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 13:17:59,910 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 13:17:59,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 13:17:59,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 13:17:59,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 13:17:59,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 13:17:59,912 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 13:17:59,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 13:17:59,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 13:17:59,914 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 13:17:59,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 13:17:59,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:17:59,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:17:59,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:17:59,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:17:59,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 13:17:59,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 13:17:59,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 13:17:59,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 13:17:59,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:17:59,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 13:17:59,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 13:17:59,917 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 13:17:59,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 13:17:59,917 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 13:17:59,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 13:17:59,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 13:17:59,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 13:17:59,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 13:17:59,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 13:17:59,918 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 -> 08c7e61f5459d5fc0a0cd65e2d0a5eb61e01ee4aec3eee7dfe70e8ab0a3470e9 [2025-01-09 13:18:00,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 13:18:00,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 13:18:00,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 13:18:00,225 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 13:18:00,225 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 13:18:00,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:18:01,569 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/821e364e3/1c944eff2a0d45dc9232bc2f3958a3bd/FLAG9167f1b80 [2025-01-09 13:18:01,823 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 13:18:01,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:18:01,833 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/821e364e3/1c944eff2a0d45dc9232bc2f3958a3bd/FLAG9167f1b80 [2025-01-09 13:18:01,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/821e364e3/1c944eff2a0d45dc9232bc2f3958a3bd [2025-01-09 13:18:01,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 13:18:01,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 13:18:01,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:01,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 13:18:01,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 13:18:01,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:01" (1/1) ... [2025-01-09 13:18:01,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f3bbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:01, skipping insertion in model container [2025-01-09 13:18:01,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 01:18:01" (1/1) ... [2025-01-09 13:18:01,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 13:18:02,018 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_25-1loop_file-40.i[915,928] [2025-01-09 13:18:02,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:02,091 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 13:18:02,106 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_25-1loop_file-40.i[915,928] [2025-01-09 13:18:02,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 13:18:02,140 INFO L204 MainTranslator]: Completed translation [2025-01-09 13:18:02,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02 WrapperNode [2025-01-09 13:18:02,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 13:18:02,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:02,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 13:18:02,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 13:18:02,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,191 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2025-01-09 13:18:02,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 13:18:02,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 13:18:02,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 13:18:02,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 13:18:02,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,210 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,226 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 13:18:02,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 13:18:02,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 13:18:02,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 13:18:02,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 13:18:02,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (1/1) ... [2025-01-09 13:18:02,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 13:18:02,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 13:18:02,291 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 13:18:02,294 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 13:18:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 13:18:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 13:18:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 13:18:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 13:18:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 13:18:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 13:18:02,393 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 13:18:02,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 13:18:02,833 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2025-01-09 13:18:02,833 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 13:18:02,843 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 13:18:02,843 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 13:18:02,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:02 BoogieIcfgContainer [2025-01-09 13:18:02,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 13:18:02,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 13:18:02,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 13:18:02,852 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 13:18:02,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 01:18:01" (1/3) ... [2025-01-09 13:18:02,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dae895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:02, skipping insertion in model container [2025-01-09 13:18:02,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 01:18:02" (2/3) ... [2025-01-09 13:18:02,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dae895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 01:18:02, skipping insertion in model container [2025-01-09 13:18:02,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 01:18:02" (3/3) ... [2025-01-09 13:18:02,856 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-40.i [2025-01-09 13:18:02,870 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 13:18:02,872 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-40.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 13:18:02,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 13:18:02,933 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;@26fc35d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 13:18:02,933 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 13:18:02,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 13:18:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 13:18:02,947 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:02,947 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:02,948 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:02,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:02,955 INFO L85 PathProgramCache]: Analyzing trace with hash -790147736, now seen corresponding path program 1 times [2025-01-09 13:18:02,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:18:02,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337604060] [2025-01-09 13:18:02,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:02,967 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 13:18:02,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:18:02,970 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 13:18:02,972 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 13:18:03,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:18:03,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:18:03,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:03,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:03,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 13:18:03,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 13:18:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-01-09 13:18:03,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 13:18:03,416 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 13:18:03,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337604060] [2025-01-09 13:18:03,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337604060] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 13:18:03,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 13:18:03,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 13:18:03,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571887108] [2025-01-09 13:18:03,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 13:18:03,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 13:18:03,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 13:18:03,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 13:18:03,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 13:18:03,441 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-01-09 13:18:03,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 13:18:03,667 INFO L93 Difference]: Finished difference Result 108 states and 169 transitions. [2025-01-09 13:18:03,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 13:18:03,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2025-01-09 13:18:03,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 13:18:03,678 INFO L225 Difference]: With dead ends: 108 [2025-01-09 13:18:03,678 INFO L226 Difference]: Without dead ends: 56 [2025-01-09 13:18:03,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 13:18:03,685 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 13:18:03,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 132 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 13:18:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-01-09 13:18:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2025-01-09 13:18:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-09 13:18:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions. [2025-01-09 13:18:03,722 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 68 transitions. Word has length 97 [2025-01-09 13:18:03,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 13:18:03,724 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 68 transitions. [2025-01-09 13:18:03,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2025-01-09 13:18:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2025-01-09 13:18:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 13:18:03,728 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 13:18:03,728 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 13:18:03,740 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 13:18:03,928 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 13:18:03,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 13:18:03,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 13:18:03,929 INFO L85 PathProgramCache]: Analyzing trace with hash 984859626, now seen corresponding path program 1 times [2025-01-09 13:18:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 13:18:03,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410845779] [2025-01-09 13:18:03,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 13:18:03,930 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 13:18:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 13:18:03,932 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 13:18:03,933 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 13:18:03,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 13:18:04,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 13:18:04,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 13:18:04,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 13:18:04,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-09 13:18:04,192 INFO L279 TraceCheckSpWp]: Computing forward predicates...