./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer --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 bfa9b5ae03b552654908bc6467afad9021ca189c ..................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:29:19,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:29:19,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:29:19,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:29:19,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:29:19,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:29:19,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:29:19,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:29:19,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:29:19,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:29:19,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:29:19,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:29:19,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:29:19,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:29:19,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:29:19,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:29:19,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:29:19,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:29:19,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:29:19,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:29:19,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:29:19,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:29:19,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:29:19,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:29:19,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:29:19,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:29:19,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:29:19,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:29:19,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:29:19,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:29:19,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:29:19,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:29:19,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:29:19,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:29:19,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:29:19,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:29:19,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:29:19,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:29:19,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:29:19,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:29:19,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:29:19,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:29:19,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:29:19,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:29:19,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:29:19,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:29:19,896 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:29:19,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:29:19,897 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:29:19,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:29:19,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:29:19,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:29:19,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:29:19,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:29:19,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:29:19,900 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:29:19,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:29:19,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:29:19,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:29:19,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:29:19,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:29:19,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:29:19,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:29:19,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:29:19,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:29:19,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:29:19,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:29:19,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:29:19,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:29:19,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:29:19,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:29:19,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2020-11-30 00:29:20,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:29:20,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:29:20,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:29:20,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:29:20,260 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:29:20,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2020-11-30 00:29:20,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/data/f67899cce/1ce2ad863db048a7af0c203662ad2103/FLAG2a3de9302 [2020-11-30 00:29:20,929 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:29:20,929 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/sv-benchmarks/c/float-benchs/cast_float_union.c [2020-11-30 00:29:20,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/data/f67899cce/1ce2ad863db048a7af0c203662ad2103/FLAG2a3de9302 [2020-11-30 00:29:21,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/data/f67899cce/1ce2ad863db048a7af0c203662ad2103 [2020-11-30 00:29:21,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:29:21,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:29:21,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:21,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:29:21,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:29:21,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1969565f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21, skipping insertion in model container [2020-11-30 00:29:21,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:29:21,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:29:21,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:21,548 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:29:21,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:21,606 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:29:21,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21 WrapperNode [2020-11-30 00:29:21,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:21,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:21,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:29:21,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:29:21,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:21,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:29:21,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:29:21,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:29:21,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... [2020-11-30 00:29:21,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:29:21,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:29:21,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:29:21,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:29:21,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/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 [2020-11-30 00:29:21,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:29:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:29:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:29:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:29:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:29:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:29:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:29:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:29:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:29:22,178 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:29:22,178 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-30 00:29:22,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:22 BoogieIcfgContainer [2020-11-30 00:29:22,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:29:22,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:29:22,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:29:22,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:29:22,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:29:21" (1/3) ... [2020-11-30 00:29:22,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aa9011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:22, skipping insertion in model container [2020-11-30 00:29:22,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:21" (2/3) ... [2020-11-30 00:29:22,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37aa9011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:29:22, skipping insertion in model container [2020-11-30 00:29:22,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:22" (3/3) ... [2020-11-30 00:29:22,191 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-11-30 00:29:22,202 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:29:22,206 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-30 00:29:22,218 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-30 00:29:22,247 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:29:22,247 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:29:22,248 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:29:22,248 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:29:22,248 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:29:22,248 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:29:22,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:29:22,248 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:29:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-30 00:29:22,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:29:22,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-11-30 00:29:22,317 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-30 00:29:22,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:29:22,318 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:29:22,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:29:22,318 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:29:22,318 INFO L277 CegarLoopResult]: At program point L59(lines 52 60) the Hoare annotation is: true [2020-11-30 00:29:22,318 INFO L277 CegarLoopResult]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-11-30 00:29:22,319 INFO L274 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-11-30 00:29:22,319 INFO L274 CegarLoopResult]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-11-30 00:29:22,319 INFO L274 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-11-30 00:29:22,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:29:22 BoogieIcfgContainer [2020-11-30 00:29:22,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:29:22,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:29:22,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:29:22,326 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:29:22,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:22" (3/4) ... [2020-11-30 00:29:22,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:29:22,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 00:29:22,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:29:22,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:29:22,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:29:22,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef9e6e40-59f3-4b43-a25d-71fcb5162b28/bin/uautomizer/witness.graphml [2020-11-30 00:29:22,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:29:22,405 INFO L168 Benchmark]: Toolchain (without parser) took 1122.94 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 46.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,406 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:29:22,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.90 ms. Allocated memory is still 96.5 MB. Free memory was 62.6 MB in the beginning and 72.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.05 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 71.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,408 INFO L168 Benchmark]: Boogie Preprocessor took 23.75 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 70.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,409 INFO L168 Benchmark]: RCFGBuilder took 512.84 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 56.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,410 INFO L168 Benchmark]: TraceAbstraction took 140.98 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 49.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,411 INFO L168 Benchmark]: Witness Printer took 77.61 ms. Allocated memory is still 96.5 MB. Free memory was 48.7 MB in the beginning and 46.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:29:22,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 69.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 317.90 ms. Allocated memory is still 96.5 MB. Free memory was 62.6 MB in the beginning and 72.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.05 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 71.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.75 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 70.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 512.84 ms. Allocated memory is still 96.5 MB. Free memory was 70.1 MB in the beginning and 56.6 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 140.98 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 49.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 77.61 ms. Allocated memory is still 96.5 MB. Free memory was 48.7 MB in the beginning and 46.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...