./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.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_variablewrapping_wrapper-s_file-93.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 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:05:01,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:05:01,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 16:05:01,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:05:01,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:05:01,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:05:01,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:05:01,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:05:01,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:05:01,926 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:05:01,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:05:01,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:05:01,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:05:01,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:05:01,928 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:05:01,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:01,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:01,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:05:01,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:05:01,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:05:01,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:05:01,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:05:01,931 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 -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-01-09 16:05:02,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:05:02,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:05:02,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:05:02,234 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:05:02,234 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:05:02,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:05:03,555 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49b284d3/e93b37190a914f8a9fe09046798787ce/FLAGfbbdc8491 [2025-01-09 16:05:03,809 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:05:03,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:05:03,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49b284d3/e93b37190a914f8a9fe09046798787ce/FLAGfbbdc8491 [2025-01-09 16:05:03,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49b284d3/e93b37190a914f8a9fe09046798787ce [2025-01-09 16:05:03,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:05:03,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:05:03,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:05:03,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:05:03,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:05:03,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:05:03" (1/1) ... [2025-01-09 16:05:03,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac10276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:03, skipping insertion in model container [2025-01-09 16:05:03,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:05:03" (1/1) ... [2025-01-09 16:05:03,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:05:03,982 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_variablewrapping_wrapper-s_file-93.i[916,929] [2025-01-09 16:05:04,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:05:04,041 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:05:04,054 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_variablewrapping_wrapper-s_file-93.i[916,929] [2025-01-09 16:05:04,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:05:04,100 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:05:04,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04 WrapperNode [2025-01-09 16:05:04,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:05:04,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:05:04,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:05:04,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:05:04,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,177 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2025-01-09 16:05:04,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:05:04,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:05:04,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:05:04,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:05:04,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,205 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 16:05:04,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,225 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:05:04,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:05:04,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:05:04,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:05:04,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (1/1) ... [2025-01-09 16:05:04,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:04,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:05:04,271 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 16:05:04,273 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 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:05:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 16:05:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:05:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:05:04,429 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:05:04,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:05:05,008 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2025-01-09 16:05:05,008 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:05:05,021 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:05:05,021 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:05:05,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:05:05 BoogieIcfgContainer [2025-01-09 16:05:05,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:05:05,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:05:05,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:05:05,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:05:05,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:05:03" (1/3) ... [2025-01-09 16:05:05,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb18cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:05:05, skipping insertion in model container [2025-01-09 16:05:05,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:04" (2/3) ... [2025-01-09 16:05:05,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cb18cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:05:05, skipping insertion in model container [2025-01-09 16:05:05,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:05:05" (3/3) ... [2025-01-09 16:05:05,030 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:05:05,043 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:05:05,045 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:05:05,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:05:05,099 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;@3b660b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:05:05,099 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:05:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 16:05:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 16:05:05,115 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:05:05,116 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:05,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:05:05,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:05:05,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1821359525, now seen corresponding path program 1 times [2025-01-09 16:05:05,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:05:05,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741418230] [2025-01-09 16:05:05,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:05:05,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:05:05,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:05:05,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:05:05,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:05:05,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:05:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 16:05:05,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:05:05,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741418230] [2025-01-09 16:05:05,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741418230] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:05:05,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657071512] [2025-01-09 16:05:05,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:05:05,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:05:05,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:05:05,536 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 16:05:05,539 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 16:05:05,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:05:05,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:05:05,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:05:05,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:05:05,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:05:05,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:05:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-01-09 16:05:05,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:05:05,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657071512] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:05:05,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:05:05,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 16:05:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361321157] [2025-01-09 16:05:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:05:05,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:05:05,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:05:05,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:05:05,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:05:05,880 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:05:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:05:05,910 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-01-09 16:05:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:05:05,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-01-09 16:05:05,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:05:05,919 INFO L225 Difference]: With dead ends: 230 [2025-01-09 16:05:05,920 INFO L226 Difference]: Without dead ends: 115 [2025-01-09 16:05:05,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:05:05,925 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:05:05,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:05:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-09 16:05:05,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-01-09 16:05:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 16:05:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-01-09 16:05:05,958 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-01-09 16:05:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:05:05,958 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-01-09 16:05:05,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:05:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-01-09 16:05:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 16:05:05,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:05:05,961 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:05,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 16:05:06,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 16:05:06,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:05:06,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:05:06,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1764042191, now seen corresponding path program 1 times [2025-01-09 16:05:06,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:05:06,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040522097] [2025-01-09 16:05:06,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:05:06,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:05:06,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:05:06,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:05:06,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:05:06,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:05:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-09 16:05:06,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:05:06,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040522097] [2025-01-09 16:05:06,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040522097] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:05:06,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:05:06,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 16:05:06,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082909811] [2025-01-09 16:05:06,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:05:06,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 16:05:06,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:05:06,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 16:05:06,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 16:05:06,563 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:05:06,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:05:06,613 INFO L93 Difference]: Finished difference Result 229 states and 340 transitions. [2025-01-09 16:05:06,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 16:05:06,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-01-09 16:05:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:05:06,617 INFO L225 Difference]: With dead ends: 229 [2025-01-09 16:05:06,617 INFO L226 Difference]: Without dead ends: 117 [2025-01-09 16:05:06,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 16:05:06,618 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:05:06,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 493 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:05:06,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-09 16:05:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-01-09 16:05:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.4257425742574257) internal successors, (144), 101 states have internal predecessors, (144), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 16:05:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2025-01-09 16:05:06,632 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 126 [2025-01-09 16:05:06,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:05:06,634 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2025-01-09 16:05:06,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:05:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2025-01-09 16:05:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 16:05:06,635 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:05:06,636 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:05:06,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 16:05:06,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:05:06,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:05:06,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1709649293, now seen corresponding path program 1 times [2025-01-09 16:05:06,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:05:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481987982] [2025-01-09 16:05:06,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:05:06,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:05:06,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:05:06,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:05:06,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:05:06,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:05:06,786 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 16:05:06,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:05:06,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:05:06,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:05:06,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 16:05:06,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 16:05:06,948 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 16:05:06,949 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 16:05:06,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 16:05:06,953 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 16:05:07,026 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 16:05:07,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 04:05:07 BoogieIcfgContainer [2025-01-09 16:05:07,033 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 16:05:07,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 16:05:07,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 16:05:07,034 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 16:05:07,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:05:05" (3/4) ... [2025-01-09 16:05:07,037 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 16:05:07,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 16:05:07,039 INFO L158 Benchmark]: Toolchain (without parser) took 3207.80ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 97.0MB in the end (delta: 15.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2025-01-09 16:05:07,039 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:05:07,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 96.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 16:05:07,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.84ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 92.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:05:07,041 INFO L158 Benchmark]: Boogie Preprocessor took 59.55ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 16:05:07,041 INFO L158 Benchmark]: RCFGBuilder took 783.29ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 57.7MB in the end (delta: 31.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 16:05:07,042 INFO L158 Benchmark]: TraceAbstraction took 2009.46ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 97.0MB in the end (delta: -40.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2025-01-09 16:05:07,042 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 97.0MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 16:05:07,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 201.3MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.01ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 96.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.84ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 92.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.55ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 89.5MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 783.29ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 57.7MB in the end (delta: 31.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2009.46ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 97.0MB in the end (delta: -40.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 97.0MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someUnaryDOUBLEoperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 255.3, -0.9, 128.5, 9.186, 31.75, 9.6, 499.2, 1.5, 0, 1, 0, 1 }; [L51] float last_1_WrapperStruct00_var_1_10 = 1.5; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_10=3/2] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L103] EXPR WrapperStruct00.var_1_10 [L103] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L78] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] CALL assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] RET assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L81] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L84] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L86] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L90] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L92] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L95] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L98] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L114] RET updateVariables() [L115] CALL step() [L55] EXPR WrapperStruct00.var_1_3 [L55] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L55] COND FALSE !(((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) [L62] WrapperStruct00.var_1_1 = 64.51f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR WrapperStruct00.var_1_1 [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_5 [L64] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] COND TRUE WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)))) [L65] WrapperStruct00.var_1_10 = 1.00000000000004E13f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] EXPR WrapperStruct00.var_1_3 [L69] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] COND TRUE ! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10) [L70] EXPR WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L70] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR ((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106-L107] return (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 338 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 375 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1066/1092 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 16:05:07,066 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_variablewrapping_wrapper-s_file-93.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 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:05:09,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:05:09,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 16:05:09,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:05:09,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:05:09,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:05:09,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:05:09,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:05:09,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:05:09,459 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:05:09,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:05:09,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:05:09,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:05:09,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:05:09,460 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:05:09,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:05:09,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:05:09,461 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:05:09,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:05:09,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:05:09,462 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:05:09,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:09,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:09,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 16:05:09,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 16:05:09,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:05:09,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:05:09,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:05:09,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:05:09,465 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 -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-01-09 16:05:09,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:05:09,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:05:09,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:05:09,760 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:05:09,760 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:05:09,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:05:11,077 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e167d3f5b/e2c4fe8e91174504b59004bb57f5ebf4/FLAGd3fa0722d [2025-01-09 16:05:11,090 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-01-09 16:05:11,314 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:05:11,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:05:11,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e167d3f5b/e2c4fe8e91174504b59004bb57f5ebf4/FLAGd3fa0722d [2025-01-09 16:05:11,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e167d3f5b/e2c4fe8e91174504b59004bb57f5ebf4 [2025-01-09 16:05:11,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:05:11,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:05:11,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:05:11,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:05:11,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:05:11,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e866887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11, skipping insertion in model container [2025-01-09 16:05:11,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:05:11,508 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_variablewrapping_wrapper-s_file-93.i[916,929] [2025-01-09 16:05:11,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:05:11,576 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:05:11,588 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_variablewrapping_wrapper-s_file-93.i[916,929] [2025-01-09 16:05:11,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:05:11,684 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:05:11,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11 WrapperNode [2025-01-09 16:05:11,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:05:11,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:05:11,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:05:11,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:05:11,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,772 INFO L138 Inliner]: procedures = 34, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2025-01-09 16:05:11,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:05:11,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:05:11,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:05:11,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:05:11,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,824 INFO L175 MemorySlicer]: Split 139 memory accesses to 2 slices as follows [2, 137]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 29 writes are split as follows [0, 29]. [2025-01-09 16:05:11,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,844 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:05:11,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:05:11,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:05:11,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:05:11,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (1/1) ... [2025-01-09 16:05:11,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:05:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:05:11,907 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 16:05:11,910 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 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-01-09 16:05:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:05:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:05:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2025-01-09 16:05:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2025-01-09 16:05:12,076 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:05:12,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:06:08,151 INFO L? ?]: Removed 162 outVars from TransFormulas that were not future-live. [2025-01-09 16:06:08,151 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:06:08,163 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:06:08,163 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:06:08,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:06:08 BoogieIcfgContainer [2025-01-09 16:06:08,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:06:08,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:06:08,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:06:08,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:06:08,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:05:11" (1/3) ... [2025-01-09 16:06:08,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b09f908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:06:08, skipping insertion in model container [2025-01-09 16:06:08,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:05:11" (2/3) ... [2025-01-09 16:06:08,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b09f908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:06:08, skipping insertion in model container [2025-01-09 16:06:08,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:06:08" (3/3) ... [2025-01-09 16:06:08,175 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-01-09 16:06:08,187 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:06:08,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:06:08,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:06:08,240 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;@590a5cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:06:08,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:06:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 16:06:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 16:06:08,255 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:06:08,255 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:08,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:06:08,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:06:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1128079829, now seen corresponding path program 1 times [2025-01-09 16:06:08,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 16:06:08,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345974680] [2025-01-09 16:06:08,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:06:08,269 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 16:06:08,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 16:06:08,272 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 16:06:08,273 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 16:06:08,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:06:11,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:06:11,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:06:11,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:06:11,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:06:11,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:06:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-01-09 16:06:11,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:06:11,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 16:06:11,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345974680] [2025-01-09 16:06:11,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345974680] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:06:11,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:06:11,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 16:06:11,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139275218] [2025-01-09 16:06:11,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:06:11,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:06:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 16:06:11,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:06:11,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:06:11,498 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:06:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:06:11,532 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-01-09 16:06:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:06:11,536 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2025-01-09 16:06:11,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:06:11,544 INFO L225 Difference]: With dead ends: 230 [2025-01-09 16:06:11,544 INFO L226 Difference]: Without dead ends: 115 [2025-01-09 16:06:11,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:06:11,551 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:06:11,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:06:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-09 16:06:11,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-01-09 16:06:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 states have internal predecessors, (142), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-09 16:06:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-01-09 16:06:11,618 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-01-09 16:06:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:06:11,618 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-01-09 16:06:11,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:06:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-01-09 16:06:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-09 16:06:11,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:06:11,622 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:06:11,696 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 16:06:11,822 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 16:06:11,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:06:11,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:06:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash -418514249, now seen corresponding path program 1 times [2025-01-09 16:06:11,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 16:06:11,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824762209] [2025-01-09 16:06:11,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:06:11,824 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 16:06:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 16:06:11,827 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 16:06:11,828 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 16:06:11,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-01-09 16:06:14,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-01-09 16:06:14,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:06:14,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:06:15,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-09 16:06:15,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:06:18,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-09 16:06:18,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2025-01-09 16:06:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-01-09 16:06:18,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:06:18,829 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-09 16:06:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824762209] [2025-01-09 16:06:18,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824762209] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:06:18,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:06:18,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 16:06:18,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007930941] [2025-01-09 16:06:18,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:06:18,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 16:06:18,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-09 16:06:18,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 16:06:18,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-09 16:06:18,833 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2025-01-09 16:06:29,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 16:06:33,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 16:06:37,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 16:06:41,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []