./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:23:13,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:23:13,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:23:13,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:23:13,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:23:13,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:23:13,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:23:13,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:23:13,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:23:13,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:23:13,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:23:13,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:23:13,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:23:13,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:23:13,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:23:13,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:23:13,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:23:13,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:23:13,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:23:13,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:23:13,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:23:13,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:23:13,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:23:13,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:23:13,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:23:13,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:23:13,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:23:13,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:23:13,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:23:13,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:23:13,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:23:13,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:23:13,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:23:13,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:23:13,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:23:13,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:23:13,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:23:13,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:23:13,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:23:13,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:23:13,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:23:13,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:23:13,265 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:23:13,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:23:13,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:23:13,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:23:13,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:23:13,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:23:13,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:23:13,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:23:13,268 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:23:13,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:23:13,269 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:23:13,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:23:13,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:23:13,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:23:13,271 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:23:13,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:23:13,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:23:13,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:23:13,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:23:13,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:13,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:23:13,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:23:13,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:23:13,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:23:13,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:23:13,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:23:13,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:23:13,273 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:23:13,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:23:13,273 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:23:13,274 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2023-02-15 10:23:13,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:23:13,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:23:13,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:23:13,498 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:23:13,499 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:23:13,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-15 10:23:14,592 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:23:14,759 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:23:14,760 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-15 10:23:14,763 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1fa9a23/29921a6bb86c4df5977a5ebda43bb051/FLAGb3612e217 [2023-02-15 10:23:14,774 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1fa9a23/29921a6bb86c4df5977a5ebda43bb051 [2023-02-15 10:23:14,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:23:14,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:23:14,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:14,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:23:14,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:23:14,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c963e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14, skipping insertion in model container [2023-02-15 10:23:14,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:23:14,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:23:14,900 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-15 10:23:14,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:14,920 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:23:14,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-15 10:23:14,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:14,943 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:23:14,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14 WrapperNode [2023-02-15 10:23:14,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:14,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:14,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:23:14,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:23:14,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,967 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-15 10:23:14,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:14,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:23:14,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:23:14,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:23:14,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,978 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:23:14,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:23:14,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:23:14,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:23:14,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (1/1) ... [2023-02-15 10:23:14,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:14,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:23:15,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 10:23:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 10:23:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:23:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:23:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:23:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:23:15,080 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:23:15,081 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:23:15,134 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:23:15,139 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:23:15,139 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 10:23:15,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:15 BoogieIcfgContainer [2023-02-15 10:23:15,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:23:15,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:23:15,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:23:15,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:23:15,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:23:14" (1/3) ... [2023-02-15 10:23:15,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc234c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:15, skipping insertion in model container [2023-02-15 10:23:15,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:14" (2/3) ... [2023-02-15 10:23:15,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc234c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:15, skipping insertion in model container [2023-02-15 10:23:15,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:15" (3/3) ... [2023-02-15 10:23:15,148 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2023-02-15 10:23:15,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:23:15,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:23:15,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:23:15,212 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@2b88925d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:23:15,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:23:15,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:23:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 10:23:15,219 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:23:15,220 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 10:23:15,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:23:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:23:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-15 10:23:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:23:15,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93826001] [2023-02-15 10:23:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:23:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:23:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:15,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 10:23:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:15,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 10:23:15,311 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 10:23:15,312 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:23:15,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:23:15,317 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 10:23:15,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:23:15,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:23:15 BoogieIcfgContainer [2023-02-15 10:23:15,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:23:15,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:23:15,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:23:15,331 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:23:15,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:15" (3/4) ... [2023-02-15 10:23:15,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 10:23:15,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:23:15,335 INFO L158 Benchmark]: Toolchain (without parser) took 558.12ms. Allocated memory is still 148.9MB. Free memory was 118.0MB in the beginning and 83.6MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-02-15 10:23:15,336 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:15,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.12ms. Allocated memory is still 148.9MB. Free memory was 117.5MB in the beginning and 108.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:23:15,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.45ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 106.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:15,337 INFO L158 Benchmark]: Boogie Preprocessor took 11.49ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:15,338 INFO L158 Benchmark]: RCFGBuilder took 161.41ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 97.2MB in the end (delta: 8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:23:15,338 INFO L158 Benchmark]: TraceAbstraction took 187.86ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 10:23:15,339 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 83.6MB in the end (delta: 539.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:15,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 81.0MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.12ms. Allocated memory is still 148.9MB. Free memory was 117.5MB in the beginning and 108.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.45ms. Allocated memory is still 148.9MB. Free memory was 108.2MB in the beginning and 106.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.49ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 161.41ms. Allocated memory is still 148.9MB. Free memory was 105.6MB in the beginning and 97.2MB in the end (delta: 8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 187.86ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 148.9MB. Free memory was 84.1MB in the beginning and 83.6MB in the end (delta: 539.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-15 10:23:15,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:23:17,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:23:17,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:23:17,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:23:17,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:23:17,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:23:17,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:23:17,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:23:17,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:23:17,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:23:17,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:23:17,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:23:17,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:23:17,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:23:17,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:23:17,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:23:17,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:23:17,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:23:17,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:23:17,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:23:17,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:23:17,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:23:17,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:23:17,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:23:17,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:23:17,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:23:17,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:23:17,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:23:17,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:23:17,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:23:17,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:23:17,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:23:17,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:23:17,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:23:17,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:23:17,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:23:17,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:23:17,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:23:17,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:23:17,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:23:17,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:23:17,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-15 10:23:17,466 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:23:17,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:23:17,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:23:17,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:23:17,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:23:17,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:23:17,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:23:17,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:23:17,468 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:23:17,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:23:17,468 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:23:17,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 10:23:17,469 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:23:17,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:23:17,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:17,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:23:17,471 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 10:23:17,472 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:23:17,472 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2023-02-15 10:23:17,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:23:17,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:23:17,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:23:17,793 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:23:17,793 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:23:17,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-15 10:23:19,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:23:19,185 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:23:19,186 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-15 10:23:19,190 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326c7d74b/05e8a11d0212495bb717bca811fbb3e8/FLAG40f208f79 [2023-02-15 10:23:19,202 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326c7d74b/05e8a11d0212495bb717bca811fbb3e8 [2023-02-15 10:23:19,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:23:19,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:23:19,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:19,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:23:19,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:23:19,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701b42b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19, skipping insertion in model container [2023-02-15 10:23:19,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:23:19,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:23:19,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-15 10:23:19,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:19,359 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:23:19,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-15 10:23:19,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:19,386 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:23:19,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19 WrapperNode [2023-02-15 10:23:19,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:19,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:19,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:23:19,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:23:19,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,416 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-02-15 10:23:19,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:19,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:23:19,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:23:19,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:23:19,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:23:19,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:23:19,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:23:19,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:23:19,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (1/1) ... [2023-02-15 10:23:19,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:19,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:23:19,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-15 10:23:19,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-15 10:23:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:23:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:23:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:23:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-15 10:23:19,588 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:23:19,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:23:19,682 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:23:19,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:23:19,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 10:23:19,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:19 BoogieIcfgContainer [2023-02-15 10:23:19,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:23:19,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:23:19,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:23:19,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:23:19,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:23:19" (1/3) ... [2023-02-15 10:23:19,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1cb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:19, skipping insertion in model container [2023-02-15 10:23:19,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:19" (2/3) ... [2023-02-15 10:23:19,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da1cb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:19, skipping insertion in model container [2023-02-15 10:23:19,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:19" (3/3) ... [2023-02-15 10:23:19,696 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2023-02-15 10:23:19,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:23:19,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:23:19,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:23:19,758 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@52d751b5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:23:19,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:23:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:23:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 10:23:19,766 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:23:19,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 10:23:19,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:23:19,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:23:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-15 10:23:19,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-15 10:23:19,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921967576] [2023-02-15 10:23:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:23:19,780 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 [2023-02-15 10:23:19,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-15 10:23:19,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-15 10:23:19,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-15 10:23:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:19,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 10:23:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:19,917 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-15 10:23:19,932 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 10:23:19,933 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:23:19,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-15 10:23:20,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-15 10:23:20,153 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 10:23:20,156 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:23:20,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:23:20 BoogieIcfgContainer [2023-02-15 10:23:20,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:23:20,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:23:20,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:23:20,175 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:23:20,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:19" (3/4) ... [2023-02-15 10:23:20,176 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 10:23:20,206 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 10:23:20,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:23:20,208 INFO L158 Benchmark]: Toolchain (without parser) took 1003.15ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 26.6MB in the beginning and 55.9MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:20,209 INFO L158 Benchmark]: CDTParser took 1.49ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:20,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.00ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 26.5MB in the beginning and 59.3MB in the end (delta: -32.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-02-15 10:23:20,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.19ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:20,212 INFO L158 Benchmark]: Boogie Preprocessor took 41.67ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 56.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:20,213 INFO L158 Benchmark]: RCFGBuilder took 229.54ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 48.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 10:23:20,216 INFO L158 Benchmark]: TraceAbstraction took 481.82ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 57.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:20,216 INFO L158 Benchmark]: Witness Printer took 32.58ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:20,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.49ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.00ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 26.5MB in the beginning and 59.3MB in the end (delta: -32.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.19ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 57.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.67ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 56.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.54ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 48.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 481.82ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 57.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.58ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 55.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; VAL [f=1.0, i=1] [L8] COND TRUE i == 1 VAL [f=1.0, i=1] [L12] reach_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-15 10:23:20,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE