./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-dev-03d7b7b [2022-02-20 14:37:03,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 14:37:03,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 14:37:03,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 14:37:03,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 14:37:03,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 14:37:03,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 14:37:03,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 14:37:03,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 14:37:03,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 14:37:03,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 14:37:03,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 14:37:03,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 14:37:03,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 14:37:03,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 14:37:03,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 14:37:03,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 14:37:03,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 14:37:03,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 14:37:03,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 14:37:03,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 14:37:03,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 14:37:03,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 14:37:03,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 14:37:03,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 14:37:03,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 14:37:03,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 14:37:03,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 14:37:03,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 14:37:03,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 14:37:03,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 14:37:03,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 14:37:03,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 14:37:03,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 14:37:03,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 14:37:03,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 14:37:03,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 14:37:03,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 14:37:03,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 14:37:03,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 14:37:03,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 14:37:03,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 14:37:03,719 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 14:37:03,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 14:37:03,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 14:37:03,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 14:37:03,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 14:37:03,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 14:37:03,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 14:37:03,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 14:37:03,722 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 14:37:03,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 14:37:03,723 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 14:37:03,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 14:37:03,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:37:03,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 14:37:03,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 14:37:03,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-02-20 14:37:03,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 14:37:03,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 14:37:03,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 14:37:03,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 14:37:03,979 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 14:37:03,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-02-20 14:37:04,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831e00f0a/67abaaa06f4e4c5aa9477adf016ec068/FLAG3f7d8a7c6 [2022-02-20 14:37:04,421 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 14:37:04,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-02-20 14:37:04,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831e00f0a/67abaaa06f4e4c5aa9477adf016ec068/FLAG3f7d8a7c6 [2022-02-20 14:37:04,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/831e00f0a/67abaaa06f4e4c5aa9477adf016ec068 [2022-02-20 14:37:04,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 14:37:04,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 14:37:04,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 14:37:04,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 14:37:04,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 14:37:04,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57692c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04, skipping insertion in model container [2022-02-20 14:37:04,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 14:37:04,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 14:37:04,653 WARN L230 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] [2022-02-20 14:37:04,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:37:04,675 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 14:37:04,688 WARN L230 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] [2022-02-20 14:37:04,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:37:04,705 INFO L208 MainTranslator]: Completed translation [2022-02-20 14:37:04,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04 WrapperNode [2022-02-20 14:37:04,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 14:37:04,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 14:37:04,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 14:37:04,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 14:37:04,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,734 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-02-20 14:37:04,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 14:37:04,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 14:37:04,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 14:37:04,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 14:37:04,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 14:37:04,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 14:37:04,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 14:37:04,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 14:37:04,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (1/1) ... [2022-02-20 14:37:04,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:37:04,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 14:37:04,805 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) [2022-02-20 14:37:04,822 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 [2022-02-20 14:37:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 14:37:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 14:37:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 14:37:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 14:37:04,888 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 14:37:04,890 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 14:37:04,975 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 14:37:04,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 14:37:04,982 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 14:37:04,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:04 BoogieIcfgContainer [2022-02-20 14:37:04,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 14:37:04,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 14:37:04,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 14:37:04,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 14:37:04,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 02:37:04" (1/3) ... [2022-02-20 14:37:04,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272f4475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:37:04, skipping insertion in model container [2022-02-20 14:37:04,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:04" (2/3) ... [2022-02-20 14:37:04,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272f4475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:37:04, skipping insertion in model container [2022-02-20 14:37:04,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:04" (3/3) ... [2022-02-20 14:37:04,992 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-02-20 14:37:04,998 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 14:37:04,998 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 14:37:05,050 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 14:37:05,059 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 14:37:05,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 14:37:05,081 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) [2022-02-20 14:37:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 14:37:05,085 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 14:37:05,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 14:37:05,086 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 14:37:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 14:37:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-02-20 14:37:05,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 14:37:05,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317579963] [2022-02-20 14:37:05,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:37:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 14:37:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:37:05,181 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 14:37:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:37:05,213 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 14:37:05,215 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 14:37:05,216 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 14:37:05,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 14:37:05,222 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 14:37:05,226 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 14:37:05,247 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 14:37:05,247 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 14:37:05,247 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-02-20 14:37:05,248 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-02-20 14:37:05,248 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-02-20 14:37:05,248 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-02-20 14:37:05,249 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 14:37:05,249 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 14:37:05,249 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 14:37:05,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:37:05 BoogieIcfgContainer [2022-02-20 14:37:05,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 14:37:05,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 14:37:05,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 14:37:05,254 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 14:37:05,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:04" (3/4) ... [2022-02-20 14:37:05,258 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 14:37:05,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 14:37:05,260 INFO L158 Benchmark]: Toolchain (without parser) took 803.06ms. Allocated memory was 96.5MB in the beginning and 161.5MB in the end (delta: 65.0MB). Free memory was 71.4MB in the beginning and 113.9MB in the end (delta: -42.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-02-20 14:37:05,260 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:37:05,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.51ms. Allocated memory was 96.5MB in the beginning and 161.5MB in the end (delta: 65.0MB). Free memory was 71.2MB in the beginning and 138.5MB in the end (delta: -67.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-02-20 14:37:05,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 161.5MB. Free memory was 138.3MB in the beginning and 136.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 14:37:05,263 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 161.5MB. Free memory was 136.9MB in the beginning and 136.0MB in the end (delta: 908.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:37:05,267 INFO L158 Benchmark]: RCFGBuilder took 227.13ms. Allocated memory is still 161.5MB. Free memory was 136.0MB in the beginning and 127.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 14:37:05,268 INFO L158 Benchmark]: TraceAbstraction took 265.64ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 114.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 14:37:05,269 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 113.9MB in the end (delta: 382.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:37:05,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.51ms. Allocated memory was 96.5MB in the beginning and 161.5MB in the end (delta: 65.0MB). Free memory was 71.2MB in the beginning and 138.5MB in the end (delta: -67.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 161.5MB. Free memory was 138.3MB in the beginning and 136.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 161.5MB. Free memory was 136.9MB in the beginning and 136.0MB in the end (delta: 908.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.13ms. Allocated memory is still 161.5MB. Free memory was 136.0MB in the beginning and 127.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 265.64ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 114.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 113.9MB in the end (delta: 382.5kB). 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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 [2022-02-20 14:37:05,306 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 -ea -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-dev-03d7b7b [2022-02-20 14:37:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 14:37:07,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 14:37:07,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 14:37:07,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 14:37:07,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 14:37:07,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 14:37:07,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 14:37:07,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 14:37:07,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 14:37:07,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 14:37:07,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 14:37:07,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 14:37:07,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 14:37:07,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 14:37:07,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 14:37:07,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 14:37:07,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 14:37:07,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 14:37:07,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 14:37:07,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 14:37:07,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 14:37:07,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 14:37:07,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 14:37:07,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 14:37:07,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 14:37:07,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 14:37:07,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 14:37:07,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 14:37:07,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 14:37:07,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 14:37:07,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 14:37:07,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 14:37:07,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 14:37:07,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 14:37:07,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 14:37:07,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 14:37:07,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 14:37:07,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 14:37:07,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 14:37:07,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 14:37:07,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 14:37:07,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 14:37:07,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 14:37:07,453 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 14:37:07,453 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 14:37:07,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 14:37:07,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 14:37:07,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 14:37:07,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 14:37:07,455 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 14:37:07,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 14:37:07,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 14:37:07,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 14:37:07,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 14:37:07,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 14:37:07,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 14:37:07,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:37:07,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 14:37:07,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 14:37:07,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 14:37:07,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 14:37:07,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 14:37:07,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 14:37:07,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 14:37:07,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 14:37:07,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 14:37:07,460 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-02-20 14:37:07,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 14:37:07,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 14:37:07,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 14:37:07,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 14:37:07,791 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 14:37:07,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-02-20 14:37:07,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357734fd0/c48c495f58b94236945f340c16e888fb/FLAG899b809aa [2022-02-20 14:37:08,243 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 14:37:08,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-02-20 14:37:08,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357734fd0/c48c495f58b94236945f340c16e888fb/FLAG899b809aa [2022-02-20 14:37:08,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/357734fd0/c48c495f58b94236945f340c16e888fb [2022-02-20 14:37:08,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 14:37:08,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 14:37:08,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 14:37:08,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 14:37:08,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 14:37:08,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ac2b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08, skipping insertion in model container [2022-02-20 14:37:08,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 14:37:08,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 14:37:08,412 WARN L230 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] [2022-02-20 14:37:08,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:37:08,434 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 14:37:08,462 WARN L230 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] [2022-02-20 14:37:08,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 14:37:08,489 INFO L208 MainTranslator]: Completed translation [2022-02-20 14:37:08,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08 WrapperNode [2022-02-20 14:37:08,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 14:37:08,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 14:37:08,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 14:37:08,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 14:37:08,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,519 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-02-20 14:37:08,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 14:37:08,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 14:37:08,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 14:37:08,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 14:37:08,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 14:37:08,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 14:37:08,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 14:37:08,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 14:37:08,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (1/1) ... [2022-02-20 14:37:08,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 14:37:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 14:37:08,579 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) [2022-02-20 14:37:08,598 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 [2022-02-20 14:37:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 14:37:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 14:37:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 14:37:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 14:37:08,670 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 14:37:08,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 14:37:08,753 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 14:37:08,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 14:37:08,758 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 14:37:08,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:08 BoogieIcfgContainer [2022-02-20 14:37:08,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 14:37:08,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 14:37:08,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 14:37:08,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 14:37:08,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 02:37:08" (1/3) ... [2022-02-20 14:37:08,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0a0de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:37:08, skipping insertion in model container [2022-02-20 14:37:08,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 02:37:08" (2/3) ... [2022-02-20 14:37:08,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0a0de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 02:37:08, skipping insertion in model container [2022-02-20 14:37:08,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:08" (3/3) ... [2022-02-20 14:37:08,764 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-02-20 14:37:08,767 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 14:37:08,767 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 14:37:08,800 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 14:37:08,807 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 14:37:08,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 14:37:08,817 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) [2022-02-20 14:37:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 14:37:08,821 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 14:37:08,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 14:37:08,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 14:37:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 14:37:08,827 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-02-20 14:37:08,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 14:37:08,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238522597] [2022-02-20 14:37:08,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 14:37:08,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 14:37:08,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 14:37:08,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 14:37:08,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 14:37:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:37:08,900 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 14:37:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 14:37:08,926 INFO L138 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-02-20 14:37:08,927 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 14:37:08,928 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 14:37:08,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 14:37:09,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 14:37:09,143 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 14:37:09,153 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 14:37:09,174 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 14:37:09,175 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 14:37:09,175 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-02-20 14:37:09,175 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-02-20 14:37:09,175 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-02-20 14:37:09,176 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-02-20 14:37:09,176 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2022-02-20 14:37:09,176 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 14:37:09,177 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 14:37:09,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 02:37:09 BoogieIcfgContainer [2022-02-20 14:37:09,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 14:37:09,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 14:37:09,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 14:37:09,181 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 14:37:09,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 02:37:08" (3/4) ... [2022-02-20 14:37:09,183 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-20 14:37:09,219 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 14:37:09,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 14:37:09,220 INFO L158 Benchmark]: Toolchain (without parser) took 955.10ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.8MB in the beginning and 54.8MB in the end (delta: -12.0MB). Peak memory consumption was 443.9kB. Max. memory is 16.1GB. [2022-02-20 14:37:09,221 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:37:09,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.97ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 45.6MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 14:37:09,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.83ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 43.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 14:37:09,226 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 42.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 14:37:09,226 INFO L158 Benchmark]: RCFGBuilder took 203.05ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 35.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 14:37:09,227 INFO L158 Benchmark]: TraceAbstraction took 418.10ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 56.5MB in the end (delta: -21.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-02-20 14:37:09,227 INFO L158 Benchmark]: Witness Printer took 38.79ms. Allocated memory is still 75.5MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 14:37:09,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.97ms. Allocated memory is still 62.9MB. Free memory was 42.6MB in the beginning and 45.6MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.83ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 43.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 42.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 203.05ms. Allocated memory is still 62.9MB. Free memory was 42.8MB in the beginning and 35.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 418.10ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 56.5MB in the end (delta: -21.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 38.79ms. Allocated memory is still 75.5MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). 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, PartialOrderReductionTime: 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! [2022-02-20 14:37:09,275 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