./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 f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0165a55c46ef5a57261b602c26894979b70d9ffe ........................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0165a55c46ef5a57261b602c26894979b70d9ffe .............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:39:12,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:39:12,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:39:12,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:39:12,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:39:12,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:39:12,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:39:12,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:39:12,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:39:12,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:39:12,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:39:12,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:39:12,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:39:12,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:39:12,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:39:12,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:39:12,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:39:12,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:39:12,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:39:12,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:39:12,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:39:12,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:39:12,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:39:12,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:39:12,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:39:12,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:39:12,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:39:12,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:39:12,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:39:12,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:39:12,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:39:12,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:39:12,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:39:12,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:39:12,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:39:12,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:39:12,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:39:12,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:39:12,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:39:12,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:39:12,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:39:12,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:39:12,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:39:12,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:39:12,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:39:12,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:39:12,374 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:39:12,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:39:12,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:39:12,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:39:12,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:39:12,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:39:12,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:39:12,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:39:12,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:39:12,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:39:12,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:39:12,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:39:12,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:39:12,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:39:12,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:39:12,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:39:12,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:39:12,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:12,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:39:12,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:39:12,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:39:12,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:39:12,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:39:12,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:39:12,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:39:12,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-28 15:39:12,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:39:12,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:39:12,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:39:12,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:39:12,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:39:12,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-28 15:39:12,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ceccea7e/87885e9ded9847f6bb855548206ac511/FLAG71b40714a [2019-11-28 15:39:13,244 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:39:13,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-28 15:39:13,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ceccea7e/87885e9ded9847f6bb855548206ac511/FLAG71b40714a [2019-11-28 15:39:13,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ceccea7e/87885e9ded9847f6bb855548206ac511 [2019-11-28 15:39:13,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:39:13,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:39:13,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:13,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:39:13,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:39:13,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388be10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13, skipping insertion in model container [2019-11-28 15:39:13,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:39:13,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:39:13,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:13,811 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:39:13,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:13,844 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:39:13,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13 WrapperNode [2019-11-28 15:39:13,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:13,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:13,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:39:13,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:39:13,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:13,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:39:13,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:39:13,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:39:13,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... [2019-11-28 15:39:13,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:39:13,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:39:13,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:39:13,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:39:13,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:39:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:39:14,126 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:39:14,127 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 15:39:14,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:14 BoogieIcfgContainer [2019-11-28 15:39:14,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:39:14,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:39:14,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:39:14,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:39:14,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:39:13" (1/3) ... [2019-11-28 15:39:14,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e566194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:14, skipping insertion in model container [2019-11-28 15:39:14,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:13" (2/3) ... [2019-11-28 15:39:14,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e566194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:14, skipping insertion in model container [2019-11-28 15:39:14,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:14" (3/3) ... [2019-11-28 15:39:14,135 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-28 15:39:14,143 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:39:14,150 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:39:14,162 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:39:14,187 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:39:14,187 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:39:14,187 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:39:14,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:39:14,188 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:39:14,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:39:14,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:39:14,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:39:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-28 15:39:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 15:39:14,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:39:14,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 15:39:14,211 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:39:14,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:39:14,218 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-28 15:39:14,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:39:14,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018298751] [2019-11-28 15:39:14,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:39:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:14,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:39:14,321 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:39:14,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:39:14 BoogieIcfgContainer [2019-11-28 15:39:14,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:39:14,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:39:14,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:39:14,339 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:39:14,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:14" (3/4) ... [2019-11-28 15:39:14,343 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 15:39:14,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:39:14,347 INFO L168 Benchmark]: Toolchain (without parser) took 739.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -143.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:14,348 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:14,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:14,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:14,351 INFO L168 Benchmark]: Boogie Preprocessor took 15.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:14,352 INFO L168 Benchmark]: RCFGBuilder took 171.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:14,353 INFO L168 Benchmark]: TraceAbstraction took 209.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:14,353 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:14,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 238.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 209.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 15:39:16,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:39:16,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:39:16,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:39:16,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:39:16,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:39:16,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:39:16,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:39:16,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:39:16,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:39:16,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:39:16,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:39:16,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:39:16,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:39:16,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:39:16,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:39:16,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:39:16,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:39:16,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:39:16,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:39:16,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:39:16,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:39:16,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:39:16,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:39:16,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:39:16,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:39:16,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:39:16,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:39:16,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:39:16,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:39:16,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:39:16,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:39:16,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:39:16,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:39:16,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:39:16,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:39:16,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:39:16,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:39:16,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:39:16,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:39:16,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:39:16,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 15:39:16,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:39:16,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:39:16,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:39:16,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:39:16,380 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:39:16,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:39:16,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:39:16,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:39:16,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:39:16,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:39:16,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:39:16,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:39:16,384 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 15:39:16,385 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 15:39:16,385 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:39:16,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:39:16,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:39:16,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:39:16,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:39:16,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:39:16,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:39:16,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:39:16,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:16,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:39:16,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:39:16,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:39:16,388 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 15:39:16,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 15:39:16,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:39:16,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:39:16,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 15:39:16,390 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-28 15:39:16,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:39:16,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:39:16,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:39:16,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:39:16,711 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:39:16,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-28 15:39:16,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f644ec95/12c5094bb7d74c46a4845be1ebc81e98/FLAGd55f4ed0e [2019-11-28 15:39:17,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:39:17,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-28 15:39:17,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f644ec95/12c5094bb7d74c46a4845be1ebc81e98/FLAGd55f4ed0e [2019-11-28 15:39:17,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f644ec95/12c5094bb7d74c46a4845be1ebc81e98 [2019-11-28 15:39:17,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:39:17,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:39:17,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:17,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:39:17,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:39:17,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9b4597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17, skipping insertion in model container [2019-11-28 15:39:17,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:39:17,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:39:17,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:17,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:39:17,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:17,842 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:39:17,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17 WrapperNode [2019-11-28 15:39:17,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:17,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:17,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:39:17,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:39:17,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:17,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:39:17,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:39:17,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:39:17,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:39:17,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:39:17,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:39:17,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:39:17,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:39:18,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:39:18,157 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:39:18,157 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 15:39:18,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:18 BoogieIcfgContainer [2019-11-28 15:39:18,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:39:18,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:39:18,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:39:18,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:39:18,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:39:17" (1/3) ... [2019-11-28 15:39:18,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3112e5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:18, skipping insertion in model container [2019-11-28 15:39:18,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (2/3) ... [2019-11-28 15:39:18,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3112e5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:18, skipping insertion in model container [2019-11-28 15:39:18,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:18" (3/3) ... [2019-11-28 15:39:18,166 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-28 15:39:18,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:39:18,182 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:39:18,194 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:39:18,219 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:39:18,219 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:39:18,219 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:39:18,219 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:39:18,219 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:39:18,220 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:39:18,220 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:39:18,220 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:39:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-28 15:39:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 15:39:18,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:39:18,238 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 15:39:18,239 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:39:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:39:18,244 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2019-11-28 15:39:18,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 15:39:18,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889192313] [2019-11-28 15:39:18,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 15:39:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:18,329 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 15:39:18,330 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:39:18,532 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 15:39:18,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:39:18 BoogieIcfgContainer [2019-11-28 15:39:18,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:39:18,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:39:18,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:39:18,550 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:39:18,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:18" (3/4) ... [2019-11-28 15:39:18,553 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:39:18,588 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:39:18,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:39:18,591 INFO L168 Benchmark]: Toolchain (without parser) took 985.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,591 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:18,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,596 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,598 INFO L168 Benchmark]: RCFGBuilder took 197.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,599 INFO L168 Benchmark]: TraceAbstraction took 388.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:18,599 INFO L168 Benchmark]: Witness Printer took 39.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:18,605 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 236.10 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 388.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...