./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 3dbbec33 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-?-3dbbec3 [2023-02-14 10:49:32,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 10:49:32,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 10:49:32,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 10:49:32,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 10:49:32,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 10:49:32,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 10:49:32,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 10:49:32,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 10:49:32,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 10:49:32,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 10:49:32,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 10:49:32,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 10:49:32,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 10:49:32,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 10:49:32,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 10:49:32,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 10:49:32,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 10:49:32,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 10:49:32,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 10:49:32,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 10:49:32,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 10:49:32,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 10:49:32,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 10:49:32,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 10:49:32,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 10:49:32,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 10:49:32,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 10:49:32,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 10:49:32,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 10:49:32,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 10:49:32,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 10:49:32,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 10:49:32,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 10:49:32,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 10:49:32,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 10:49:32,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 10:49:32,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 10:49:32,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 10:49:32,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 10:49:32,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 10:49:32,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 10:49:32,840 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 10:49:32,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 10:49:32,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 10:49:32,842 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 10:49:32,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 10:49:32,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 10:49:32,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 10:49:32,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 10:49:32,845 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 10:49:32,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 10:49:32,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 10:49:32,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 10:49:32,847 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 10:49:32,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 10:49:32,847 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 10:49:32,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 10:49:32,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 10:49:32,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 10:49:32,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 10:49:32,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 10:49:32,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 10:49:32,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 10:49:32,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 10:49:32,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 10:49:32,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 10:49:32,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 10:49:32,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 10:49:32,850 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 10:49:32,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 10:49:32,850 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 10:49:32,851 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2023-02-14 10:49:33,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 10:49:33,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 10:49:33,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 10:49:33,103 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 10:49:33,103 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 10:49:33,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-14 10:49:34,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 10:49:34,339 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 10:49:34,340 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-14 10:49:34,345 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8027eaefd/12551577c46445e9ae2692b1b344d66d/FLAG2241ada8d [2023-02-14 10:49:34,363 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8027eaefd/12551577c46445e9ae2692b1b344d66d [2023-02-14 10:49:34,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 10:49:34,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 10:49:34,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 10:49:34,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 10:49:34,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 10:49:34,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326e211c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34, skipping insertion in model container [2023-02-14 10:49:34,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 10:49:34,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 10:49:34,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-14 10:49:34,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 10:49:34,538 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 10:49:34,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-14 10:49:34,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 10:49:34,563 INFO L208 MainTranslator]: Completed translation [2023-02-14 10:49:34,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34 WrapperNode [2023-02-14 10:49:34,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 10:49:34,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 10:49:34,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 10:49:34,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 10:49:34,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,590 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-14 10:49:34,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 10:49:34,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 10:49:34,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 10:49:34,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 10:49:34,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 10:49:34,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 10:49:34,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 10:49:34,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 10:49:34,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (1/1) ... [2023-02-14 10:49:34,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 10:49:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 10:49:34,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 10:49:34,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 10:49:34,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 10:49:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 10:49:34,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 10:49:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 10:49:34,725 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 10:49:34,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 10:49:34,780 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 10:49:34,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 10:49:34,786 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 10:49:34,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:34 BoogieIcfgContainer [2023-02-14 10:49:34,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 10:49:34,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 10:49:34,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 10:49:34,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 10:49:34,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:49:34" (1/3) ... [2023-02-14 10:49:34,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337c979b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:49:34, skipping insertion in model container [2023-02-14 10:49:34,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:34" (2/3) ... [2023-02-14 10:49:34,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337c979b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:49:34, skipping insertion in model container [2023-02-14 10:49:34,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:34" (3/3) ... [2023-02-14 10:49:34,797 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2023-02-14 10:49:34,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 10:49:34,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 10:49:34,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 10:49:34,853 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6860d6ab, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 10:49:34,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 10:49:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 10:49:34,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-14 10:49:34,862 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 10:49:34,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-14 10:49:34,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 10:49:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 10:49:34,868 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-14 10:49:34,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 10:49:34,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642735288] [2023-02-14 10:49:34,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 10:49:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 10:49:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 10:49:34,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 10:49:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 10:49:34,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 10:49:34,978 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 10:49:34,979 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 10:49:34,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 10:49:34,984 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-14 10:49:34,988 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 10:49:35,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:49:35 BoogieIcfgContainer [2023-02-14 10:49:35,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 10:49:35,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 10:49:35,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 10:49:35,002 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 10:49:35,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:34" (3/4) ... [2023-02-14 10:49:35,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 10:49:35,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 10:49:35,008 INFO L158 Benchmark]: Toolchain (without parser) took 640.66ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 92.7MB in the beginning and 136.4MB in the end (delta: -43.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:35,009 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 108.6MB in the beginning and 108.5MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:35,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.09ms. Allocated memory is still 138.4MB. Free memory was 92.2MB in the beginning and 82.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 10:49:35,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.74ms. Allocated memory is still 138.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 10:49:35,011 INFO L158 Benchmark]: Boogie Preprocessor took 22.79ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:35,016 INFO L158 Benchmark]: RCFGBuilder took 172.31ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 71.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 10:49:35,017 INFO L158 Benchmark]: TraceAbstraction took 211.31ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 71.4MB in the beginning and 136.4MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:35,018 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 167.8MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:35,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 108.6MB in the beginning and 108.5MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.09ms. Allocated memory is still 138.4MB. Free memory was 92.2MB in the beginning and 82.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.74ms. Allocated memory is still 138.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.79ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 172.31ms. Allocated memory is still 138.4MB. Free memory was 80.4MB in the beginning and 71.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 211.31ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 71.4MB in the beginning and 136.4MB in the end (delta: -65.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 167.8MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-14 10:49:35,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3dbbec3 [2023-02-14 10:49:37,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 10:49:37,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 10:49:37,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 10:49:37,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 10:49:37,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 10:49:37,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 10:49:37,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 10:49:37,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 10:49:37,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 10:49:37,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 10:49:37,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 10:49:37,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 10:49:37,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 10:49:37,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 10:49:37,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 10:49:37,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 10:49:37,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 10:49:37,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 10:49:37,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 10:49:37,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 10:49:37,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 10:49:37,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 10:49:37,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 10:49:37,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 10:49:37,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 10:49:37,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 10:49:37,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 10:49:37,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 10:49:37,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 10:49:37,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 10:49:37,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 10:49:37,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 10:49:37,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 10:49:37,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 10:49:37,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 10:49:37,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 10:49:37,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 10:49:37,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 10:49:37,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 10:49:37,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 10:49:37,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-14 10:49:37,206 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 10:49:37,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 10:49:37,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 10:49:37,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 10:49:37,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 10:49:37,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 10:49:37,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 10:49:37,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 10:49:37,210 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 10:49:37,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 10:49:37,211 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 10:49:37,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 10:49:37,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 10:49:37,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 10:49:37,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 10:49:37,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 10:49:37,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 10:49:37,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 10:49:37,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 10:49:37,212 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 10:49:37,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 10:49:37,213 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 10:49:37,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 10:49:37,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 10:49:37,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 10:49:37,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 10:49:37,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 10:49:37,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 10:49:37,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 10:49:37,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 10:49:37,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 10:49:37,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 10:49:37,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 10:49:37,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 10:49:37,215 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 10:49:37,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 10:49:37,216 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 10:49:37,216 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 10:49:37,216 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2023-02-14 10:49:37,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 10:49:37,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 10:49:37,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 10:49:37,584 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 10:49:37,585 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 10:49:37,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-14 10:49:38,853 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 10:49:39,026 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 10:49:39,027 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2023-02-14 10:49:39,033 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c26e04f/2e8f5f236f8445349fdee1cace67bb58/FLAG478c08b08 [2023-02-14 10:49:39,044 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25c26e04f/2e8f5f236f8445349fdee1cace67bb58 [2023-02-14 10:49:39,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 10:49:39,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 10:49:39,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 10:49:39,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 10:49:39,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 10:49:39,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acaba43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39, skipping insertion in model container [2023-02-14 10:49:39,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 10:49:39,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 10:49:39,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-14 10:49:39,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 10:49:39,195 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 10:49:39,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2023-02-14 10:49:39,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 10:49:39,226 INFO L208 MainTranslator]: Completed translation [2023-02-14 10:49:39,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39 WrapperNode [2023-02-14 10:49:39,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 10:49:39,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 10:49:39,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 10:49:39,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 10:49:39,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,256 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2023-02-14 10:49:39,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 10:49:39,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 10:49:39,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 10:49:39,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 10:49:39,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 10:49:39,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 10:49:39,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 10:49:39,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 10:49:39,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (1/1) ... [2023-02-14 10:49:39,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 10:49:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 10:49:39,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 10:49:39,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 10:49:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 10:49:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 10:49:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 10:49:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 10:49:39,437 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 10:49:39,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 10:49:39,565 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 10:49:39,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 10:49:39,579 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 10:49:39,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:39 BoogieIcfgContainer [2023-02-14 10:49:39,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 10:49:39,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 10:49:39,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 10:49:39,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 10:49:39,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:49:39" (1/3) ... [2023-02-14 10:49:39,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f0b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:49:39, skipping insertion in model container [2023-02-14 10:49:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:49:39" (2/3) ... [2023-02-14 10:49:39,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667f0b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:49:39, skipping insertion in model container [2023-02-14 10:49:39,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:39" (3/3) ... [2023-02-14 10:49:39,588 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2023-02-14 10:49:39,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 10:49:39,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 10:49:39,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 10:49:39,663 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b3aa07a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 10:49:39,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 10:49:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 10:49:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-14 10:49:39,673 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 10:49:39,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-14 10:49:39,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 10:49:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 10:49:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-14 10:49:39,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 10:49:39,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147547523] [2023-02-14 10:49:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 10:49:39,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 10:49:39,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 10:49:39,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-14 10:49:39,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-14 10:49:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 10:49:39,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 10:49:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 10:49:39,806 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-14 10:49:39,808 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 10:49:39,809 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 10:49:39,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-02-14 10:49:40,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-14 10:49:40,014 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-14 10:49:40,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 10:49:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:49:40 BoogieIcfgContainer [2023-02-14 10:49:40,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 10:49:40,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 10:49:40,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 10:49:40,031 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 10:49:40,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:49:39" (3/4) ... [2023-02-14 10:49:40,036 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-14 10:49:40,062 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 10:49:40,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 10:49:40,063 INFO L158 Benchmark]: Toolchain (without parser) took 1016.08ms. Allocated memory is still 67.1MB. Free memory was 40.2MB in the beginning and 36.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-02-14 10:49:40,064 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:40,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.76ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 45.4MB in the end (delta: -5.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-02-14 10:49:40,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.79ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:40,065 INFO L158 Benchmark]: Boogie Preprocessor took 41.82ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 42.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 10:49:40,066 INFO L158 Benchmark]: RCFGBuilder took 280.78ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 34.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 10:49:40,066 INFO L158 Benchmark]: TraceAbstraction took 447.62ms. Allocated memory is still 67.1MB. Free memory was 33.7MB in the beginning and 38.0MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 10:49:40,067 INFO L158 Benchmark]: Witness Printer took 31.33ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 10:49:40,069 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 54.5MB. Free memory is still 31.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.76ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 45.4MB in the end (delta: -5.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.79ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.82ms. Allocated memory is still 67.1MB. Free memory was 43.9MB in the beginning and 42.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 280.78ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 34.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 447.62ms. Allocated memory is still 67.1MB. Free memory was 33.7MB in the beginning and 38.0MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.33ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 36.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; VAL [f=1.0, i=1] [L8] COND TRUE i == 1 VAL [f=1.0, i=1] [L12] reach_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-02-14 10:49:40,087 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