./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.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_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14bbb74942280ceabf9fcd57c23c432d4c6462f0 ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14bbb74942280ceabf9fcd57c23c432d4c6462f0 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:51,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:51,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:51,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:51,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:51,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:51,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:51,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:51,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:51,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:51,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:51,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:51,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:51,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:51,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:51,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:51,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:51,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:51,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:51,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:51,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:51,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:51,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:51,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:51,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:51,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:51,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:51,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:51,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:51,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:51,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:51,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:51,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:51,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:51,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:51,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:51,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:51,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:51,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:51,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:51,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:51,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:51,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:51,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:51,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:51,990 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:51,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:51,990 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:51,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:51,991 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:51,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:51,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:51,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:51,992 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:51,992 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:51,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:51,993 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:51,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:51,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:51,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:51,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:51,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:51,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:51,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:51,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:51,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:51,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:51,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:51,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:51,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:51,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:51,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:51,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:51,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:51,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:51,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:51,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:51,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:51,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:51,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:52,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:52,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:52,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bbb74942280ceabf9fcd57c23c432d4c6462f0 [2020-11-28 07:39:52,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:52,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:52,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:52,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:52,358 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:52,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float.c [2020-11-28 07:39:52,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/990f2fa53/079736c4599649f9b2f3c8f84562996b/FLAG4407347b9 [2020-11-28 07:39:52,922 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:52,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/sv-benchmarks/c/float-benchs/Rump_float.c [2020-11-28 07:39:52,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/990f2fa53/079736c4599649f9b2f3c8f84562996b/FLAG4407347b9 [2020-11-28 07:39:53,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/990f2fa53/079736c4599649f9b2f3c8f84562996b [2020-11-28 07:39:53,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:53,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:53,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:53,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:53,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:53,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288509a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53, skipping insertion in model container [2020-11-28 07:39:53,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:53,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:53,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:53,505 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:53,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:53,535 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:53,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53 WrapperNode [2020-11-28 07:39:53,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:53,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:53,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:53,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:53,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:53,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:53,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:53,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:53,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... [2020-11-28 07:39:53,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:53,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:53,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:53,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:53,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/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 [2020-11-28 07:39:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:39:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:53,975 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:53,976 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:39:53,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:53 BoogieIcfgContainer [2020-11-28 07:39:53,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:53,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:53,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:53,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:53,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:53" (1/3) ... [2020-11-28 07:39:53,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e047f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:53, skipping insertion in model container [2020-11-28 07:39:53,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:53" (2/3) ... [2020-11-28 07:39:53,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e047f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:53, skipping insertion in model container [2020-11-28 07:39:53,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:53" (3/3) ... [2020-11-28 07:39:53,994 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-11-28 07:39:54,018 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:54,022 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:39:54,040 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:39:54,063 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:54,063 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:54,064 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:54,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:54,064 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:54,064 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:54,064 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:54,064 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-28 07:39:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 07:39:54,081 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:54,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-28 07:39:54,082 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:54,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:54,088 INFO L82 PathProgramCache]: Analyzing trace with hash 48212, now seen corresponding path program 1 times [2020-11-28 07:39:54,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:39:54,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716912129] [2020-11-28 07:39:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:39:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:54,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:54,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:54,265 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:39:54,266 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:39:54,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:39:54,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:54 BoogieIcfgContainer [2020-11-28 07:39:54,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:54,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:54,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:54,294 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:54,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:53" (3/4) ... [2020-11-28 07:39:54,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:39:54,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:54,302 INFO L168 Benchmark]: Toolchain (without parser) took 1004.97 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 67.2 MB in the beginning and 107.3 MB in the end (delta: -40.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:54,302 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:54,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.62 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 72.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:54,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 71.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:54,305 INFO L168 Benchmark]: Boogie Preprocessor took 22.09 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 70.6 MB in the end (delta: 920.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:54,306 INFO L168 Benchmark]: RCFGBuilder took 382.64 ms. Allocated memory is still 96.5 MB. Free memory was 70.3 MB in the beginning and 58.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:54,307 INFO L168 Benchmark]: TraceAbstraction took 313.06 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 58.0 MB in the beginning and 107.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:54,308 INFO L168 Benchmark]: Witness Printer took 5.90 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:54,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.62 ms. Allocated memory is still 96.5 MB. Free memory was 67.0 MB in the beginning and 72.9 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.53 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 71.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.09 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 70.6 MB in the end (delta: 920.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.64 ms. Allocated memory is still 96.5 MB. Free memory was 70.3 MB in the beginning and 58.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 313.06 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 58.0 MB in the beginning and 107.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.90 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "Rump_float.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, 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=6occurred 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, 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:56,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:56,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:56,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:56,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:56,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:56,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:56,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:56,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:56,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:56,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:56,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:56,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:56,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:56,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:56,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:56,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:56,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:56,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:56,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:56,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:56,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:56,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:56,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:56,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:56,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:56,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:56,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:56,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:56,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:56,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:56,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:56,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:56,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:56,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:56,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:56,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:56,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:56,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:56,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:56,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:56,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:56,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:56,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:57,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:57,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:57,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:57,000 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:57,001 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:57,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:57,001 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:57,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:57,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:57,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:57,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:57,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:57,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:57,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:57,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:57,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:57,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:57,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:57,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:57,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:57,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:57,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:57,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:57,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:57,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:57,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:57,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:57,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:57,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:57,009 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14bbb74942280ceabf9fcd57c23c432d4c6462f0 [2020-11-28 07:39:57,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:57,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:57,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:57,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:57,468 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:57,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_float.c [2020-11-28 07:39:57,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/3a8147ac3/94fcf454213548ec86ab73ce35ed8a69/FLAGf131b2d31 [2020-11-28 07:39:58,115 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:58,116 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/sv-benchmarks/c/float-benchs/Rump_float.c [2020-11-28 07:39:58,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/3a8147ac3/94fcf454213548ec86ab73ce35ed8a69/FLAGf131b2d31 [2020-11-28 07:39:58,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/data/3a8147ac3/94fcf454213548ec86ab73ce35ed8a69 [2020-11-28 07:39:58,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:58,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:58,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:58,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:58,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:58,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ec5496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58, skipping insertion in model container [2020-11-28 07:39:58,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:58,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:58,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:58,686 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:58,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:58,747 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:58,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58 WrapperNode [2020-11-28 07:39:58,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:58,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:58,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:58,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:58,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:58,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:58,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:58,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:58,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... [2020-11-28 07:39:58,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:58,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:58,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:58,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:58,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/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 [2020-11-28 07:39:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:58,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:39:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:40:01,484 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:40:01,485 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:40:01,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:01 BoogieIcfgContainer [2020-11-28 07:40:01,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:40:01,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:40:01,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:40:01,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:40:01,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:58" (1/3) ... [2020-11-28 07:40:01,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db960b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:01, skipping insertion in model container [2020-11-28 07:40:01,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:58" (2/3) ... [2020-11-28 07:40:01,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db960b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:40:01, skipping insertion in model container [2020-11-28 07:40:01,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:01" (3/3) ... [2020-11-28 07:40:01,495 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-11-28 07:40:01,509 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:40:01,514 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:40:01,528 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:40:01,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:40:01,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:40:01,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:40:01,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:40:01,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:40:01,555 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:40:01,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:40:01,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:40:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-28 07:40:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 07:40:01,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:40:01,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-28 07:40:01,578 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:40:01,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:40:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-28 07:40:01,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:40:01,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974088949] [2020-11-28 07:40:01,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/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 [2020-11-28 07:40:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:40:03,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:40:03,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:40:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:03,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:40:06,035 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from false [2020-11-28 07:40:08,171 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32))) is different from true [2020-11-28 07:40:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:40:08,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974088949] [2020-11-28 07:40:08,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:40:08,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-28 07:40:08,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060919776] [2020-11-28 07:40:08,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:40:08,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:40:08,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:40:08,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2020-11-28 07:40:08,202 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-28 07:40:10,344 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode 33096.0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1335.0 4.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse1) (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 11.0) .cse1) .cse1) .cse0) .cse0) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 121.0) .cse0) .cse0) .cse0) .cse0)) .cse2))) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 11.0 2.0)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0)) (fp.div c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse2 .cse0)))) ((_ to_fp 8 24) c_currentRoundingMode (_ bv0 32)))) is different from true [2020-11-28 07:40:10,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:40:10,359 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-28 07:40:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:40:10,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-11-28 07:40:10,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:40:10,377 INFO L225 Difference]: With dead ends: 14 [2020-11-28 07:40:10,377 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:40:10,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2020-11-28 07:40:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:40:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:40:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:40:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:40:10,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-28 07:40:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:40:10,409 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:40:10,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:40:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:40:10,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:40:10,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:40:10,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:40:10,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:40:10,662 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:40:10,662 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:40:10,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:40:10,663 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:40:10,663 INFO L270 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:40:10,663 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-11-28 07:40:10,663 INFO L274 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-11-28 07:40:10,663 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:40:10,664 INFO L270 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:40:10,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:40:10 BoogieIcfgContainer [2020-11-28 07:40:10,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:40:10,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:40:10,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:40:10,684 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:40:10,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:40:01" (3/4) ... [2020-11-28 07:40:10,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:40:10,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 07:40:10,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:40:10,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:40:10,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:40:10,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_26037637-4a01-4bea-9629-714de1a086f5/bin/utaipan/witness.graphml [2020-11-28 07:40:10,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:40:10,753 INFO L168 Benchmark]: Toolchain (without parser) took 12291.67 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.2 MB in the beginning and 39.8 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:10,755 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:10,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.83 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.0 MB in the beginning and 46.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:10,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.51 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 44.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:10,756 INFO L168 Benchmark]: Boogie Preprocessor took 26.22 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 43.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:10,757 INFO L168 Benchmark]: RCFGBuilder took 2640.68 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 32.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:10,757 INFO L168 Benchmark]: TraceAbstraction took 9189.43 ms. Allocated memory is still 62.9 MB. Free memory was 32.2 MB in the beginning and 42.1 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:40:10,758 INFO L168 Benchmark]: Witness Printer took 72.68 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 39.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:40:10,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.83 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 27.0 MB in the beginning and 46.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.51 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 44.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.22 ms. Allocated memory is still 62.9 MB. Free memory was 44.8 MB in the beginning and 43.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2640.68 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 32.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9189.43 ms. Allocated memory is still 62.9 MB. Free memory was 32.2 MB in the beginning and 42.1 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 72.68 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 39.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 SizeOfPredicates, 6 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 correct! Received shutdown request...