./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.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_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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 4307611f131e0de710b212b3a12701bf382df8c7 ............................................................................................................................................................................................................................................... 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_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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 4307611f131e0de710b212b3a12701bf382df8c7 .......................................................................................................................................................................................................................................................................................... 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 02:00:24,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:00:24,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:00:24,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:00:24,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:00:24,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:00:24,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:00:24,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:00:24,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:00:24,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:00:24,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:00:24,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:00:24,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:00:24,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:00:25,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:00:25,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:00:25,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:00:25,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:00:25,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:00:25,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:00:25,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:00:25,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:00:25,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:00:25,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:00:25,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:00:25,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:00:25,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:00:25,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:00:25,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:00:25,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:00:25,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:00:25,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:00:25,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:00:25,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:00:25,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:00:25,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:00:25,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:00:25,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:00:25,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:00:25,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:00:25,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:00:25,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:00:25,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:00:25,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:00:25,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:00:25,121 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:00:25,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:00:25,121 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:00:25,122 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:00:25,122 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:00:25,122 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:00:25,122 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:00:25,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:00:25,124 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:00:25,124 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:00:25,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:00:25,125 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:00:25,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:00:25,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:00:25,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:00:25,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:00:25,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:00:25,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:00:25,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:00:25,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:00:25,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:00:25,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:00:25,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:00:25,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:00:25,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:00:25,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:00:25,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:00:25,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:00:25,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:00:25,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:00:25,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:00:25,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:00:25,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:00:25,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:00:25,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:00:25,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:00:25,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:00:25,131 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_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-11-30 02:00:25,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:00:25,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:00:25,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:00:25,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:00:25,540 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:00:25,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-30 02:00:25,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/cda0e0482/51f42ee589a14b6aafe056838996f011/FLAGc9e804c33 [2020-11-30 02:00:26,226 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:00:26,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-30 02:00:26,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/cda0e0482/51f42ee589a14b6aafe056838996f011/FLAGc9e804c33 [2020-11-30 02:00:26,552 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/cda0e0482/51f42ee589a14b6aafe056838996f011 [2020-11-30 02:00:26,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:00:26,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:00:26,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:26,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:00:26,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:00:26,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edcd869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26, skipping insertion in model container [2020-11-30 02:00:26,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:00:26,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:00:26,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:26,789 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:00:26,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:26,852 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:00:26,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26 WrapperNode [2020-11-30 02:00:26,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:26,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:26,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:00:26,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:00:26,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:26,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:00:26,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:00:26,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:00:26,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... [2020-11-30 02:00:26,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:00:26,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:00:26,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:00:26,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:00:26,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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 [2020-11-30 02:00:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:00:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:00:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:00:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:00:27,537 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:00:27,537 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 02:00:27,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:27 BoogieIcfgContainer [2020-11-30 02:00:27,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:00:27,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:00:27,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:00:27,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:00:27,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:00:26" (1/3) ... [2020-11-30 02:00:27,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81adec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:27, skipping insertion in model container [2020-11-30 02:00:27,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:26" (2/3) ... [2020-11-30 02:00:27,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81adec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:27, skipping insertion in model container [2020-11-30 02:00:27,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:27" (3/3) ... [2020-11-30 02:00:27,552 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-11-30 02:00:27,565 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:00:27,569 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:00:27,581 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:00:27,609 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:00:27,610 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:00:27,610 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:00:27,610 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:00:27,610 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:00:27,610 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:00:27,610 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:00:27,611 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:00:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-30 02:00:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 02:00:27,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:27,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-30 02:00:27,631 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:27,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:27,638 INFO L82 PathProgramCache]: Analyzing trace with hash 48212, now seen corresponding path program 1 times [2020-11-30 02:00:27,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:00:27,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251775517] [2020-11-30 02:00:27,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:00:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:00:27,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:00:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:00:27,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:00:27,815 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 02:00:27,816 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:00:27,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:00:27,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:00:27 BoogieIcfgContainer [2020-11-30 02:00:27,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:00:27,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:00:27,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:00:27,840 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:00:27,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:27" (3/4) ... [2020-11-30 02:00:27,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:00:27,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:00:27,847 INFO L168 Benchmark]: Toolchain (without parser) took 1274.50 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 55.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:27,848 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:27,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.45 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 82.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:27,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:27,851 INFO L168 Benchmark]: Boogie Preprocessor took 24.35 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 80.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:27,852 INFO L168 Benchmark]: RCFGBuilder took 610.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 68.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:27,852 INFO L168 Benchmark]: TraceAbstraction took 296.49 ms. Allocated memory is still 107.0 MB. Free memory was 67.7 MB in the beginning and 56.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:27,853 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 107.0 MB. Free memory was 56.1 MB in the beginning and 55.6 MB in the end (delta: 510.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:27,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 107.0 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.45 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 82.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.35 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 80.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 610.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.3 MB in the beginning and 68.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 296.49 ms. Allocated memory is still 107.0 MB. Free memory was 67.7 MB in the beginning and 56.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.08 ms. Allocated memory is still 107.0 MB. Free memory was 56.1 MB in the beginning and 55.6 MB in the end (delta: 510.2 kB). 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 someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L6] COND TRUE !(cond) [L3] __assert_fail("0", "Rump_double.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 [2020-11-30 02:00:30,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:00:30,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:00:30,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:00:30,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:00:30,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:00:30,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:00:30,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:00:30,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:00:30,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:00:30,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:00:30,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:00:30,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:00:30,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:00:30,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:00:30,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:00:30,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:00:30,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:00:30,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:00:30,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:00:30,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:00:30,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:00:30,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:00:30,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:00:30,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:00:30,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:00:30,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:00:30,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:00:30,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:00:30,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:00:30,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:00:30,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:00:30,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:00:30,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:00:30,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:00:30,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:00:30,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:00:30,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:00:30,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:00:30,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:00:30,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:00:30,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:00:30,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:00:30,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:00:30,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:00:30,911 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:00:30,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:00:30,912 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:00:30,912 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:00:30,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:00:30,912 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:00:30,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:00:30,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:00:30,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:00:30,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:00:30,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:00:30,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:00:30,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:00:30,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:00:30,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:00:30,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:00:30,922 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:00:30,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:00:30,922 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:00:30,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:00:30,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:00:30,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:00:30,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:00:30,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:00:30,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:00:30,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:00:30,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:00:30,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:00:30,926 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:00:30,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:00:30,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:00:30,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:00:30,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:00:30,942 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_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-11-30 02:00:31,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:00:31,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:00:31,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:00:31,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:00:31,417 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:00:31,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-30 02:00:31,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/04eefa83a/685b3dd0d3f44455bff02b78fdf6f0c6/FLAGf78aff32d [2020-11-30 02:00:32,087 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:00:32,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/sv-benchmarks/c/float-benchs/Rump_double.c [2020-11-30 02:00:32,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/04eefa83a/685b3dd0d3f44455bff02b78fdf6f0c6/FLAGf78aff32d [2020-11-30 02:00:32,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/data/04eefa83a/685b3dd0d3f44455bff02b78fdf6f0c6 [2020-11-30 02:00:32,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:00:32,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:00:32,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:32,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:00:32,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:00:32,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c59c991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32, skipping insertion in model container [2020-11-30 02:00:32,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:00:32,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:00:32,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:32,758 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:00:32,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:00:32,801 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:00:32,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32 WrapperNode [2020-11-30 02:00:32,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:00:32,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:32,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:00:32,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:00:32,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:00:32,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:00:32,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:00:32,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:00:32,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... [2020-11-30 02:00:32,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:00:32,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:00:32,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:00:32,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:00:32,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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 [2020-11-30 02:00:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:00:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:00:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:00:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:00:41,271 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:00:41,271 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 02:00:41,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:41 BoogieIcfgContainer [2020-11-30 02:00:41,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:00:41,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:00:41,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:00:41,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:00:41,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:00:32" (1/3) ... [2020-11-30 02:00:41,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca7841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:41, skipping insertion in model container [2020-11-30 02:00:41,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:00:32" (2/3) ... [2020-11-30 02:00:41,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca7841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:00:41, skipping insertion in model container [2020-11-30 02:00:41,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:41" (3/3) ... [2020-11-30 02:00:41,284 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-11-30 02:00:41,296 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:00:41,301 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:00:41,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:00:41,340 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:00:41,340 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:00:41,340 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:00:41,340 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:00:41,341 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:00:41,341 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:00:41,341 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:00:41,341 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:00:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-30 02:00:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 02:00:41,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:00:41,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 02:00:41,361 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:00:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:00:41,367 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-11-30 02:00:41,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:00:41,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432907392] [2020-11-30 02:00:41,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/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 [2020-11-30 02:00:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:00:51,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 02:00:51,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:00:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:51,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:00:53,673 WARN L838 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) c_currentRoundingMode (_ bv0 32))) is different from false [2020-11-30 02:00:55,830 WARN L860 $PredicateComparison]: unable to prove that (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) c_currentRoundingMode (_ bv0 32))) is different from true [2020-11-30 02:00:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:00:55,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432907392] [2020-11-30 02:00:55,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:00:55,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 02:00:55,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86346625] [2020-11-30 02:00:55,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 02:00:55,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:00:55,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 02:00:55,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2020-11-30 02:00:55,859 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2020-11-30 02:00:58,045 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 77617.0)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (.cse0 ((_ to_fp 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) 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 11 53) c_currentRoundingMode (_ bv0 32)))) is different from true [2020-11-30 02:00:58,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:00:58,061 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-11-30 02:00:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:00:58,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-11-30 02:00:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:00:58,070 INFO L225 Difference]: With dead ends: 14 [2020-11-30 02:00:58,071 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:00:58,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=12, Invalid=13, Unknown=3, NotChecked=14, Total=42 [2020-11-30 02:00:58,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:00:58,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:00:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:00:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:00:58,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-11-30 02:00:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:00:58,097 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:00:58,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 02:00:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:00:58,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:00:58,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:00:58,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:00:58,350 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:00:58,351 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:00:58,351 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:00:58,351 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:00:58,351 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:00:58,352 INFO L270 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-30 02:00:58,352 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-11-30 02:00:58,352 INFO L274 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-11-30 02:00:58,352 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:00:58,352 INFO L270 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-30 02:00:58,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:00:58 BoogieIcfgContainer [2020-11-30 02:00:58,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:00:58,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:00:58,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:00:58,377 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:00:58,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:00:41" (3/4) ... [2020-11-30 02:00:58,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:00:58,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 02:00:58,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 02:00:58,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 02:00:58,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:00:58,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_825d2d1a-dddd-4895-a1b0-2b01fc3a6acc/bin/utaipan/witness.graphml [2020-11-30 02:00:58,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:00:58,442 INFO L168 Benchmark]: Toolchain (without parser) took 25940.71 ms. Allocated memory is still 79.7 MB. Free memory was 45.7 MB in the beginning and 50.3 MB in the end (delta: -4.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:58,442 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:58,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.69 ms. Allocated memory is still 79.7 MB. Free memory was 45.6 MB in the beginning and 56.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:58,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.05 ms. Allocated memory is still 79.7 MB. Free memory was 56.1 MB in the beginning and 64.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:58,445 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 ms. Allocated memory is still 79.7 MB. Free memory was 64.4 MB in the beginning and 63.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:58,446 INFO L168 Benchmark]: RCFGBuilder took 8381.93 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 52.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:58,446 INFO L168 Benchmark]: TraceAbstraction took 17098.44 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 52.8 MB in the end (delta: -904.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:00:58,447 INFO L168 Benchmark]: Witness Printer took 63.07 ms. Allocated memory is still 79.7 MB. Free memory was 52.8 MB in the beginning and 50.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:00:58,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 297.69 ms. Allocated memory is still 79.7 MB. Free memory was 45.6 MB in the beginning and 56.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.05 ms. Allocated memory is still 79.7 MB. Free memory was 56.1 MB in the beginning and 64.4 MB in the end (delta: -8.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.14 ms. Allocated memory is still 79.7 MB. Free memory was 64.4 MB in the beginning and 63.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 8381.93 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 52.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17098.44 ms. Allocated memory is still 79.7 MB. Free memory was 51.9 MB in the beginning and 52.8 MB in the end (delta: -904.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 63.07 ms. Allocated memory is still 79.7 MB. Free memory was 52.8 MB in the beginning and 50.3 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: - 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: 16.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.2s, 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, 6.6s 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, 8.9s SatisfiabilityAnalysisTime, 5.3s 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...