./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 6c24879c 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-?-6c24879 [2022-07-11 23:42:12,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-11 23:42:12,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-11 23:42:12,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-11 23:42:12,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-11 23:42:12,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-11 23:42:12,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-11 23:42:12,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-11 23:42:12,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-11 23:42:12,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-11 23:42:12,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-11 23:42:12,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-11 23:42:12,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-11 23:42:12,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-11 23:42:12,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-11 23:42:12,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-11 23:42:12,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-11 23:42:12,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-11 23:42:12,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-11 23:42:12,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-11 23:42:12,780 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-11 23:42:12,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-11 23:42:12,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-11 23:42:12,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-11 23:42:12,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-11 23:42:12,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-11 23:42:12,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-11 23:42:12,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-11 23:42:12,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-11 23:42:12,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-11 23:42:12,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-11 23:42:12,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-11 23:42:12,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-11 23:42:12,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-11 23:42:12,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-11 23:42:12,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-11 23:42:12,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-11 23:42:12,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-11 23:42:12,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-11 23:42:12,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-11 23:42:12,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-11 23:42:12,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-11 23:42:12,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-11 23:42:12,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-11 23:42:12,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-11 23:42:12,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-11 23:42:12,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-11 23:42:12,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-11 23:42:12,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-11 23:42:12,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-11 23:42:12,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-11 23:42:12,840 INFO L138 SettingsManager]: * Use SBE=true [2022-07-11 23:42:12,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-11 23:42:12,841 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-11 23:42:12,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-11 23:42:12,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-11 23:42:12,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-11 23:42:12,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-11 23:42:12,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-11 23:42:12,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-11 23:42:12,842 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-11 23:42:12,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-11 23:42:12,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-11 23:42:12,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-11 23:42:12,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-11 23:42:12,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-11 23:42:12,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-11 23:42:12,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:12,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-11 23:42:12,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-11 23:42:12,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-11 23:42:12,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-11 23:42:12,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-11 23:42:12,846 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-11 23:42:12,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-11 23:42:12,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-11 23:42:12,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-11 23:42:13,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-11 23:42:13,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-11 23:42:13,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-11 23:42:13,087 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-11 23:42:13,088 INFO L275 PluginConnector]: CDTParser initialized [2022-07-11 23:42:13,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-11 23:42:13,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256fb841/a2f5d69c66cc445fae46dd2b11a76be9/FLAG28c09a0f9 [2022-07-11 23:42:13,506 INFO L306 CDTParser]: Found 1 translation units. [2022-07-11 23:42:13,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-11 23:42:13,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256fb841/a2f5d69c66cc445fae46dd2b11a76be9/FLAG28c09a0f9 [2022-07-11 23:42:13,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d256fb841/a2f5d69c66cc445fae46dd2b11a76be9 [2022-07-11 23:42:13,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-11 23:42:13,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-11 23:42:13,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:13,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-11 23:42:13,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-11 23:42:13,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de1ecc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13, skipping insertion in model container [2022-07-11 23:42:13,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-11 23:42:13,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-11 23:42:13,720 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] [2022-07-11 23:42:13,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:13,736 INFO L203 MainTranslator]: Completed pre-run [2022-07-11 23:42:13,749 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] [2022-07-11 23:42:13,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:13,761 INFO L208 MainTranslator]: Completed translation [2022-07-11 23:42:13,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13 WrapperNode [2022-07-11 23:42:13,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:13,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:13,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-11 23:42:13,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-11 23:42:13,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,796 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-11 23:42:13,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:13,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-11 23:42:13,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-11 23:42:13,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-11 23:42:13,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-11 23:42:13,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-11 23:42:13,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-11 23:42:13,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-11 23:42:13,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (1/1) ... [2022-07-11 23:42:13,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:13,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:13,851 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) [2022-07-11 23:42:13,855 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 [2022-07-11 23:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-11 23:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-11 23:42:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-11 23:42:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-11 23:42:13,919 INFO L234 CfgBuilder]: Building ICFG [2022-07-11 23:42:13,920 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-11 23:42:13,982 INFO L275 CfgBuilder]: Performing block encoding [2022-07-11 23:42:13,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-11 23:42:13,986 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-11 23:42:13,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:13 BoogieIcfgContainer [2022-07-11 23:42:13,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-11 23:42:13,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-11 23:42:13,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-11 23:42:13,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-11 23:42:13,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 11:42:13" (1/3) ... [2022-07-11 23:42:13,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2bec6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:13, skipping insertion in model container [2022-07-11 23:42:13,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:13" (2/3) ... [2022-07-11 23:42:13,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2bec6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:13, skipping insertion in model container [2022-07-11 23:42:13,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:13" (3/3) ... [2022-07-11 23:42:13,994 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-11 23:42:14,007 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-11 23:42:14,007 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-11 23:42:14,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-11 23:42:14,050 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40ce5627, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@66e6cf29 [2022-07-11 23:42:14,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-11 23:42:14,053 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) [2022-07-11 23:42:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-11 23:42:14,057 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:14,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-11 23:42:14,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:14,062 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-11 23:42:14,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:42:14,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526164232] [2022-07-11 23:42:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:14,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:42:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 23:42:14,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-11 23:42:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 23:42:14,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-11 23:42:14,169 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-11 23:42:14,170 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-11 23:42:14,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-11 23:42:14,184 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-11 23:42:14,188 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-11 23:42:14,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 11:42:14 BoogieIcfgContainer [2022-07-11 23:42:14,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-11 23:42:14,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-11 23:42:14,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-11 23:42:14,207 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-11 23:42:14,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:13" (3/4) ... [2022-07-11 23:42:14,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-11 23:42:14,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-11 23:42:14,212 INFO L158 Benchmark]: Toolchain (without parser) took 679.70ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.6MB in the beginning and 75.4MB in the end (delta: -29.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:14,213 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:14,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.96ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 75.7MB in the end (delta: -30.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-11 23:42:14,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 98.6MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-11 23:42:14,220 INFO L158 Benchmark]: Boogie Preprocessor took 16.09ms. Allocated memory is still 98.6MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 878.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:14,220 INFO L158 Benchmark]: RCFGBuilder took 172.69ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 65.5MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-11 23:42:14,221 INFO L158 Benchmark]: TraceAbstraction took 216.79ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 75.9MB in the end (delta: -11.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-07-11 23:42:14,222 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.4MB in the end (delta: 510.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:14,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.96ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 75.7MB in the end (delta: -30.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 98.6MB. Free memory was 75.5MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.09ms. Allocated memory is still 98.6MB. Free memory was 74.2MB in the beginning and 73.3MB in the end (delta: 878.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 172.69ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 65.5MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 216.79ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 75.9MB in the end (delta: -11.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 75.4MB in the end (delta: 510.5kB). 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, 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 [2022-07-11 23:42:14,271 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 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-?-6c24879 [2022-07-11 23:42:16,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-11 23:42:16,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-11 23:42:16,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-11 23:42:16,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-11 23:42:16,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-11 23:42:16,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-11 23:42:16,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-11 23:42:16,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-11 23:42:16,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-11 23:42:16,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-11 23:42:16,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-11 23:42:16,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-11 23:42:16,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-11 23:42:16,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-11 23:42:16,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-11 23:42:16,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-11 23:42:16,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-11 23:42:16,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-11 23:42:16,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-11 23:42:16,280 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-11 23:42:16,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-11 23:42:16,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-11 23:42:16,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-11 23:42:16,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-11 23:42:16,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-11 23:42:16,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-11 23:42:16,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-11 23:42:16,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-11 23:42:16,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-11 23:42:16,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-11 23:42:16,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-11 23:42:16,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-11 23:42:16,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-11 23:42:16,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-11 23:42:16,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-11 23:42:16,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-11 23:42:16,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-11 23:42:16,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-11 23:42:16,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-11 23:42:16,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-11 23:42:16,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-11 23:42:16,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-11 23:42:16,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-11 23:42:16,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-11 23:42:16,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-11 23:42:16,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-11 23:42:16,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-11 23:42:16,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-11 23:42:16,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-11 23:42:16,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-11 23:42:16,340 INFO L138 SettingsManager]: * Use SBE=true [2022-07-11 23:42:16,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-11 23:42:16,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-11 23:42:16,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-11 23:42:16,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-11 23:42:16,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-11 23:42:16,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-11 23:42:16,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-11 23:42:16,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-11 23:42:16,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-11 23:42:16,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-11 23:42:16,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-11 23:42:16,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-11 23:42:16,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:16,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-11 23:42:16,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-11 23:42:16,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-11 23:42:16,345 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-11 23:42:16,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-11 23:42:16,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-11 23:42:16,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-11 23:42:16,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-11 23:42:16,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-11 23:42:16,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-11 23:42:16,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-11 23:42:16,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-11 23:42:16,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-11 23:42:16,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-11 23:42:16,691 INFO L275 PluginConnector]: CDTParser initialized [2022-07-11 23:42:16,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-11 23:42:16,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d10d923/bb8624f51c5f432fb20c6c652bf37338/FLAGaa0ba8c41 [2022-07-11 23:42:17,184 INFO L306 CDTParser]: Found 1 translation units. [2022-07-11 23:42:17,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-11 23:42:17,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d10d923/bb8624f51c5f432fb20c6c652bf37338/FLAGaa0ba8c41 [2022-07-11 23:42:17,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d10d923/bb8624f51c5f432fb20c6c652bf37338 [2022-07-11 23:42:17,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-11 23:42:17,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-11 23:42:17,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:17,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-11 23:42:17,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-11 23:42:17,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df2eb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17, skipping insertion in model container [2022-07-11 23:42:17,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-11 23:42:17,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-11 23:42:17,776 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] [2022-07-11 23:42:17,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:17,797 INFO L203 MainTranslator]: Completed pre-run [2022-07-11 23:42:17,836 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] [2022-07-11 23:42:17,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:42:17,863 INFO L208 MainTranslator]: Completed translation [2022-07-11 23:42:17,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17 WrapperNode [2022-07-11 23:42:17,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-11 23:42:17,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:17,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-11 23:42:17,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-11 23:42:17,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,891 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-07-11 23:42:17,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-11 23:42:17,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-11 23:42:17,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-11 23:42:17,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-11 23:42:17,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-11 23:42:17,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-11 23:42:17,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-11 23:42:17,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-11 23:42:17,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (1/1) ... [2022-07-11 23:42:17,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:42:17,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:42:17,956 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) [2022-07-11 23:42:17,983 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 [2022-07-11 23:42:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-11 23:42:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-11 23:42:17,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-11 23:42:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-11 23:42:18,065 INFO L234 CfgBuilder]: Building ICFG [2022-07-11 23:42:18,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-11 23:42:18,152 INFO L275 CfgBuilder]: Performing block encoding [2022-07-11 23:42:18,157 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-11 23:42:18,158 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-11 23:42:18,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:18 BoogieIcfgContainer [2022-07-11 23:42:18,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-11 23:42:18,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-11 23:42:18,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-11 23:42:18,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-11 23:42:18,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 11:42:17" (1/3) ... [2022-07-11 23:42:18,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490f069b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:18, skipping insertion in model container [2022-07-11 23:42:18,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:42:17" (2/3) ... [2022-07-11 23:42:18,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490f069b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:42:18, skipping insertion in model container [2022-07-11 23:42:18,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:18" (3/3) ... [2022-07-11 23:42:18,167 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-11 23:42:18,180 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-11 23:42:18,180 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-11 23:42:18,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-11 23:42:18,238 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55784db3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a40693 [2022-07-11 23:42:18,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-11 23:42:18,242 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) [2022-07-11 23:42:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-11 23:42:18,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:42:18,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-11 23:42:18,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:42:18,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:42:18,270 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-11 23:42:18,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-11 23:42:18,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406522812] [2022-07-11 23:42:18,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:42:18,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-11 23:42:18,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-11 23:42:18,291 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) [2022-07-11 23:42:18,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-11 23:42:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 23:42:18,369 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-11 23:42:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 23:42:18,408 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-11 23:42:18,410 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-11 23:42:18,410 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-11 23:42:18,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-11 23:42:18,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-11 23:42:18,637 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-11 23:42:18,641 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-11 23:42:18,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 11:42:18 BoogieIcfgContainer [2022-07-11 23:42:18,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-11 23:42:18,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-11 23:42:18,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-11 23:42:18,656 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-11 23:42:18,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:42:18" (3/4) ... [2022-07-11 23:42:18,658 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-11 23:42:18,691 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-11 23:42:18,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-11 23:42:18,692 INFO L158 Benchmark]: Toolchain (without parser) took 1083.51ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 37.7MB in the beginning and 51.0MB in the end (delta: -13.3MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2022-07-11 23:42:18,692 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:18,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.81ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 42.1MB in the end (delta: -4.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-11 23:42:18,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.72ms. Allocated memory is still 58.7MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:18,697 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:18,698 INFO L158 Benchmark]: RCFGBuilder took 231.17ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 32.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-11 23:42:18,698 INFO L158 Benchmark]: TraceAbstraction took 493.82ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 52.5MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:42:18,698 INFO L158 Benchmark]: Witness Printer took 35.05ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 51.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-11 23:42:18,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.81ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 42.1MB in the end (delta: -4.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.72ms. Allocated memory is still 58.7MB. Free memory was 42.1MB in the beginning and 40.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.17ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 32.1MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 493.82ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 52.5MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.05ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 51.0MB in the end (delta: 1.5MB). 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! [2022-07-11 23:42:18,738 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE