./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 eb692b52 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-?-eb692b5 [2022-07-19 10:52:34,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 10:52:34,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 10:52:34,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 10:52:34,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 10:52:34,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 10:52:34,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 10:52:34,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 10:52:34,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 10:52:34,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 10:52:34,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 10:52:34,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 10:52:34,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 10:52:34,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 10:52:34,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 10:52:34,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 10:52:34,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 10:52:34,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 10:52:34,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 10:52:34,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 10:52:34,956 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 10:52:34,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 10:52:34,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 10:52:34,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 10:52:34,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 10:52:34,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 10:52:34,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 10:52:34,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 10:52:34,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 10:52:34,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 10:52:34,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 10:52:34,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 10:52:34,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 10:52:34,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 10:52:34,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 10:52:34,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 10:52:34,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 10:52:34,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 10:52:34,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 10:52:34,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 10:52:34,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 10:52:34,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 10:52:34,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 10:52:35,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 10:52:35,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 10:52:35,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 10:52:35,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 10:52:35,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 10:52:35,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 10:52:35,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 10:52:35,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 10:52:35,004 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 10:52:35,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 10:52:35,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 10:52:35,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 10:52:35,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 10:52:35,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 10:52:35,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 10:52:35,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 10:52:35,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 10:52:35,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 10:52:35,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 10:52:35,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 10:52:35,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 10:52:35,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 10:52:35,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 10:52:35,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 10:52:35,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:52:35,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 10:52:35,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 10:52:35,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 10:52:35,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 10:52:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 10:52:35,008 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 10:52:35,009 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 10:52:35,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 10:52:35,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-19 10:52:35,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 10:52:35,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 10:52:35,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 10:52:35,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 10:52:35,228 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 10:52:35,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-19 10:52:35,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276d818ad/5f90a219d1c94028a1ef9e752849cd12/FLAG7aaec81c0 [2022-07-19 10:52:35,629 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 10:52:35,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-19 10:52:35,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276d818ad/5f90a219d1c94028a1ef9e752849cd12/FLAG7aaec81c0 [2022-07-19 10:52:35,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/276d818ad/5f90a219d1c94028a1ef9e752849cd12 [2022-07-19 10:52:35,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 10:52:35,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 10:52:35,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 10:52:35,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 10:52:35,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 10:52:35,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8b3304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35, skipping insertion in model container [2022-07-19 10:52:35,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 10:52:35,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 10:52:35,769 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] [2022-07-19 10:52:35,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:52:35,779 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 10:52:35,793 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] [2022-07-19 10:52:35,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:52:35,803 INFO L208 MainTranslator]: Completed translation [2022-07-19 10:52:35,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35 WrapperNode [2022-07-19 10:52:35,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 10:52:35,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 10:52:35,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 10:52:35,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 10:52:35,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,834 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-19 10:52:35,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 10:52:35,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 10:52:35,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 10:52:35,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 10:52:35,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 10:52:35,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 10:52:35,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 10:52:35,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 10:52:35,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (1/1) ... [2022-07-19 10:52:35,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:52:35,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:52:35,875 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) [2022-07-19 10:52:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 10:52:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 10:52:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 10:52:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 10:52:35,889 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 [2022-07-19 10:52:35,938 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 10:52:35,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 10:52:35,984 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 10:52:35,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 10:52:35,988 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 10:52:35,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:35 BoogieIcfgContainer [2022-07-19 10:52:35,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 10:52:35,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 10:52:35,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 10:52:35,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 10:52:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:35" (1/3) ... [2022-07-19 10:52:35,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2388d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:35, skipping insertion in model container [2022-07-19 10:52:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:35" (2/3) ... [2022-07-19 10:52:35,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2388d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:35, skipping insertion in model container [2022-07-19 10:52:35,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:35" (3/3) ... [2022-07-19 10:52:35,994 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-19 10:52:36,004 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 10:52:36,004 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 10:52:36,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 10:52:36,039 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@496d35c6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4acb2f8 [2022-07-19 10:52:36,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 10:52:36,042 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) [2022-07-19 10:52:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-19 10:52:36,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:52:36,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-19 10:52:36,047 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:52:36,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:52:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-19 10:52:36,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 10:52:36,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145335162] [2022-07-19 10:52:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:52:36,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 10:52:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 10:52:36,124 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 10:52:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 10:52:36,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 10:52:36,163 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 10:52:36,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 10:52:36,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 10:52:36,171 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-19 10:52:36,174 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 10:52:36,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:36 BoogieIcfgContainer [2022-07-19 10:52:36,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 10:52:36,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 10:52:36,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 10:52:36,189 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 10:52:36,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:35" (3/4) ... [2022-07-19 10:52:36,192 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 10:52:36,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 10:52:36,193 INFO L158 Benchmark]: Toolchain (without parser) took 547.85ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.1MB in the end (delta: 1.8MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-07-19 10:52:36,194 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:36,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.95ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 66.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 10:52:36,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.60ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 64.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 10:52:36,196 INFO L158 Benchmark]: Boogie Preprocessor took 15.05ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.1MB in the end (delta: 714.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:36,199 INFO L158 Benchmark]: RCFGBuilder took 137.25ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 56.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 10:52:36,199 INFO L158 Benchmark]: TraceAbstraction took 197.58ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 68.7MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:36,200 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 68.1MB in the end (delta: 582.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 10:52:36,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.95ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 66.4MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.60ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 64.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.05ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 64.1MB in the end (delta: 714.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 137.25ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 56.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 197.58ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 68.7MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 68.1MB in the end (delta: 582.2kB). 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 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-19 10:52:36,240 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-?-eb692b5 [2022-07-19 10:52:37,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 10:52:37,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 10:52:37,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 10:52:37,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 10:52:37,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 10:52:37,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 10:52:37,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 10:52:37,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 10:52:37,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 10:52:37,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 10:52:37,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 10:52:37,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 10:52:37,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 10:52:37,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 10:52:37,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 10:52:37,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 10:52:37,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 10:52:37,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 10:52:37,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 10:52:37,848 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 10:52:37,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 10:52:37,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 10:52:37,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 10:52:37,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 10:52:37,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 10:52:37,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 10:52:37,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 10:52:37,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 10:52:37,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 10:52:37,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 10:52:37,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 10:52:37,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 10:52:37,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 10:52:37,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 10:52:37,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 10:52:37,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 10:52:37,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 10:52:37,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 10:52:37,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 10:52:37,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 10:52:37,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 10:52:37,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 10:52:37,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 10:52:37,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 10:52:37,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 10:52:37,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 10:52:37,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 10:52:37,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 10:52:37,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 10:52:37,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 10:52:37,882 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 10:52:37,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 10:52:37,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 10:52:37,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 10:52:37,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:52:37,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 10:52:37,885 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 10:52:37,886 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 10:52:37,886 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 10:52:37,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 10:52:37,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 10:52:37,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 10:52:37,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-07-19 10:52:38,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 10:52:38,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 10:52:38,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 10:52:38,171 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 10:52:38,171 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 10:52:38,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-19 10:52:38,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4df1d4dd/b2548c216c554af3a9ba9afaf324884c/FLAG1df0c7a75 [2022-07-19 10:52:38,606 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 10:52:38,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-07-19 10:52:38,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4df1d4dd/b2548c216c554af3a9ba9afaf324884c/FLAG1df0c7a75 [2022-07-19 10:52:38,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4df1d4dd/b2548c216c554af3a9ba9afaf324884c [2022-07-19 10:52:38,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 10:52:38,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 10:52:38,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 10:52:38,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 10:52:38,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 10:52:38,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72eac9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38, skipping insertion in model container [2022-07-19 10:52:38,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 10:52:38,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 10:52:38,779 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] [2022-07-19 10:52:38,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:52:38,794 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 10:52:38,805 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] [2022-07-19 10:52:38,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 10:52:38,816 INFO L208 MainTranslator]: Completed translation [2022-07-19 10:52:38,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38 WrapperNode [2022-07-19 10:52:38,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 10:52:38,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 10:52:38,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 10:52:38,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 10:52:38,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,838 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-07-19 10:52:38,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 10:52:38,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 10:52:38,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 10:52:38,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 10:52:38,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 10:52:38,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 10:52:38,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 10:52:38,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 10:52:38,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (1/1) ... [2022-07-19 10:52:38,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 10:52:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 10:52:38,894 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) [2022-07-19 10:52:38,928 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 [2022-07-19 10:52:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 10:52:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 10:52:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 10:52:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 10:52:38,996 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 10:52:38,998 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 10:52:39,085 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 10:52:39,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 10:52:39,089 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 10:52:39,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:39 BoogieIcfgContainer [2022-07-19 10:52:39,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 10:52:39,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 10:52:39,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 10:52:39,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 10:52:39,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:38" (1/3) ... [2022-07-19 10:52:39,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08acc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:39, skipping insertion in model container [2022-07-19 10:52:39,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:38" (2/3) ... [2022-07-19 10:52:39,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08acc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:39, skipping insertion in model container [2022-07-19 10:52:39,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:39" (3/3) ... [2022-07-19 10:52:39,099 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-07-19 10:52:39,109 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 10:52:39,109 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 10:52:39,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 10:52:39,160 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@2777a549, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49ababe0 [2022-07-19 10:52:39,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 10:52:39,163 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) [2022-07-19 10:52:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-19 10:52:39,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 10:52:39,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-19 10:52:39,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 10:52:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 10:52:39,173 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-19 10:52:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 10:52:39,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266812300] [2022-07-19 10:52:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 10:52:39,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 10:52:39,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 10:52:39,185 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) [2022-07-19 10:52:39,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 10:52:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 10:52:39,267 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 10:52:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 10:52:39,302 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 10:52:39,303 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 10:52:39,304 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 10:52:39,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-19 10:52:39,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 10:52:39,518 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-19 10:52:39,521 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 10:52:39,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:39 BoogieIcfgContainer [2022-07-19 10:52:39,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 10:52:39,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 10:52:39,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 10:52:39,534 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 10:52:39,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:39" (3/4) ... [2022-07-19 10:52:39,536 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 10:52:39,554 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 10:52:39,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 10:52:39,555 INFO L158 Benchmark]: Toolchain (without parser) took 925.87ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 29.6MB in the end (delta: 16.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-07-19 10:52:39,556 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.1MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:39,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.71ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 35.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 10:52:39,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.55ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 34.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 10:52:39,557 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 33.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:39,557 INFO L158 Benchmark]: RCFGBuilder took 219.08ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 42.9MB in the end (delta: -9.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-07-19 10:52:39,558 INFO L158 Benchmark]: TraceAbstraction took 439.54ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 31.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-19 10:52:39,558 INFO L158 Benchmark]: Witness Printer took 20.99ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 10:52:39,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.1MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.71ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 35.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.55ms. Allocated memory is still 65.0MB. Free memory was 35.7MB in the beginning and 34.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 65.0MB. Free memory was 34.3MB in the beginning and 33.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.08ms. Allocated memory is still 65.0MB. Free memory was 33.2MB in the beginning and 42.9MB in the end (delta: -9.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 439.54ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 31.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 20.99ms. Allocated memory is still 65.0MB. Free memory was 31.2MB in the beginning and 29.6MB in the end (delta: 1.6MB). 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 - 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! [2022-07-19 10:52:39,588 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