./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:38:50,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:38:50,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:38:51,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:38:51,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:38:51,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:38:51,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:38:51,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:38:51,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:38:51,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:38:51,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:38:51,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:38:51,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:38:51,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:38:51,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:38:51,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:38:51,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:38:51,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:38:51,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:38:51,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:38:51,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:38:51,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:38:51,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:38:51,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:38:51,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:38:51,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:38:51,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:38:51,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:38:51,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:38:51,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:38:51,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:38:51,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:38:51,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:38:51,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:38:51,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:38:51,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:38:51,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:38:51,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:38:51,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:38:51,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:38:51,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:38:51,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:38:51,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:38:51,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:38:51,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:38:51,068 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:38:51,069 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:38:51,069 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:38:51,069 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:38:51,069 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:38:51,069 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:38:51,069 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:38:51,070 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:38:51,070 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:38:51,070 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:38:51,070 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:38:51,070 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:38:51,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:38:51,071 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:38:51,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:38:51,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:38:51,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:38:51,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:38:51,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:38:51,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:38:51,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:38:51,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:38:51,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:38:51,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:38:51,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:38:51,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:38:51,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:38:51,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:38:51,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:38:51,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:38:51,074 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:38:51,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:38:51,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:38:51,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:38:51,075 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/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(__VERIFIER_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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-11-26 02:38:51,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:38:51,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:38:51,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:38:51,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:38:51,225 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:38:51,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-26 02:38:51,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/4e366ba3c/ae8dd7b76e104494b8fade374eed7b08/FLAG6f6d4c133 [2019-11-26 02:38:51,610 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:38:51,611 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-26 02:38:51,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/4e366ba3c/ae8dd7b76e104494b8fade374eed7b08/FLAG6f6d4c133 [2019-11-26 02:38:52,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/4e366ba3c/ae8dd7b76e104494b8fade374eed7b08 [2019-11-26 02:38:52,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:38:52,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:38:52,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:52,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:38:52,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:38:52,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49403f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52, skipping insertion in model container [2019-11-26 02:38:52,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:38:52,080 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:38:52,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:52,233 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:38:52,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:52,317 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:38:52,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52 WrapperNode [2019-11-26 02:38:52,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:52,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:52,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:38:52,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:38:52,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:52,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:38:52,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:38:52,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:38:52,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... [2019-11-26 02:38:52,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:38:52,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:38:52,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:38:52,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:38:52,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/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 [2019-11-26 02:38:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:38:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:38:52,600 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:38:52,600 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:38:52,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:52 BoogieIcfgContainer [2019-11-26 02:38:52,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:38:52,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:38:52,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:38:52,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:38:52,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:38:52" (1/3) ... [2019-11-26 02:38:52,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47036a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:38:52, skipping insertion in model container [2019-11-26 02:38:52,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:52" (2/3) ... [2019-11-26 02:38:52,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47036a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:38:52, skipping insertion in model container [2019-11-26 02:38:52,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:52" (3/3) ... [2019-11-26 02:38:52,607 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2019-11-26 02:38:52,614 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:38:52,619 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:38:52,626 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:38:52,643 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:38:52,643 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:38:52,643 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:38:52,643 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:38:52,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:38:52,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:38:52,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:38:52,644 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:38:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-26 02:38:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:38:52,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:38:52,659 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:38:52,660 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:38:52,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:38:52,665 INFO L82 PathProgramCache]: Analyzing trace with hash 957382, now seen corresponding path program 1 times [2019-11-26 02:38:52,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:38:52,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762456151] [2019-11-26 02:38:52,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:38:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:38:52,760 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:38:52,761 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:38:52,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:38:52 BoogieIcfgContainer [2019-11-26 02:38:52,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:38:52,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:38:52,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:38:52,774 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:38:52,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:52" (3/4) ... [2019-11-26 02:38:52,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:38:52,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:38:52,780 INFO L168 Benchmark]: Toolchain (without parser) took 732.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:52,780 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:52,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:52,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:52,782 INFO L168 Benchmark]: Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:52,783 INFO L168 Benchmark]: RCFGBuilder took 243.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:52,784 INFO L168 Benchmark]: TraceAbstraction took 172.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:52,784 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:52,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 243.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 172.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 [L6] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:38:54,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:38:54,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:38:54,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:38:54,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:38:54,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:38:54,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:38:54,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:38:54,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:38:54,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:38:54,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:38:54,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:38:54,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:38:54,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:38:54,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:38:54,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:38:54,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:38:54,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:38:54,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:38:54,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:38:54,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:38:54,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:38:54,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:38:54,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:38:54,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:38:54,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:38:54,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:38:54,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:38:54,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:38:54,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:38:54,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:38:54,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:38:54,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:38:54,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:38:54,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:38:54,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:38:54,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:38:54,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:38:54,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:38:54,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:38:54,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:38:54,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:38:54,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:38:54,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:38:54,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:38:54,638 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:38:54,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:38:54,639 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:38:54,639 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:38:54,639 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:38:54,640 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:38:54,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:38:54,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:38:54,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:38:54,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:38:54,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:38:54,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:38:54,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:38:54,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:38:54,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:38:54,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:38:54,644 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:38:54,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:38:54,644 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:38:54,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:38:54,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:38:54,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:38:54,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:38:54,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:38:54,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:38:54,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:38:54,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:38:54,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:38:54,646 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:38:54,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:38:54,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:38:54,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:38:54,648 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/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(__VERIFIER_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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2019-11-26 02:38:54,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:38:54,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:38:54,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:38:54,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:38:54,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:38:54,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-26 02:38:55,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/d9230572e/c3401ab818d7441890d124a0266b2cf3/FLAGf386e938a [2019-11-26 02:38:55,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:38:55,438 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/sv-benchmarks/c/float-benchs/nan_float_range.c [2019-11-26 02:38:55,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/d9230572e/c3401ab818d7441890d124a0266b2cf3/FLAGf386e938a [2019-11-26 02:38:55,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/data/d9230572e/c3401ab818d7441890d124a0266b2cf3 [2019-11-26 02:38:55,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:38:55,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:38:55,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:55,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:38:55,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:38:55,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:55" (1/1) ... [2019-11-26 02:38:55,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5965f5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:55, skipping insertion in model container [2019-11-26 02:38:55,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:38:55" (1/1) ... [2019-11-26 02:38:55,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:38:55,906 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:38:56,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:56,043 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:38:56,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:38:56,075 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:38:56,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56 WrapperNode [2019-11-26 02:38:56,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:38:56,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:56,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:38:56,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:38:56,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:38:56,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:38:56,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:38:56,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:38:56,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... [2019-11-26 02:38:56,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:38:56,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:38:56,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:38:56,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:38:56,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/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 [2019-11-26 02:38:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:38:56,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:38:56,438 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:38:56,439 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:38:56,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:56 BoogieIcfgContainer [2019-11-26 02:38:56,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:38:56,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:38:56,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:38:56,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:38:56,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:38:55" (1/3) ... [2019-11-26 02:38:56,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:38:56, skipping insertion in model container [2019-11-26 02:38:56,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:38:56" (2/3) ... [2019-11-26 02:38:56,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e44d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:38:56, skipping insertion in model container [2019-11-26 02:38:56,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:56" (3/3) ... [2019-11-26 02:38:56,450 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2019-11-26 02:38:56,458 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:38:56,464 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:38:56,473 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:38:56,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:38:56,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:38:56,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:38:56,500 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:38:56,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:38:56,501 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:38:56,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:38:56,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:38:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-26 02:38:56,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:38:56,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:38:56,528 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:38:56,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:38:56,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:38:56,535 INFO L82 PathProgramCache]: Analyzing trace with hash 28693796, now seen corresponding path program 1 times [2019-11-26 02:38:56,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:38:56,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656297689] [2019-11-26 02:38:56,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/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 [2019-11-26 02:38:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:38:56,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 02:38:56,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:38:56,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:38:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:56,763 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:38:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:38:56,797 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656297689] [2019-11-26 02:38:56,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:38:56,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-26 02:38:56,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643368340] [2019-11-26 02:38:56,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:38:56,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:38:56,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:38:56,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:38:56,813 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-26 02:38:56,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:38:56,830 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-26 02:38:56,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:38:56,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-26 02:38:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:38:56,837 INFO L225 Difference]: With dead ends: 18 [2019-11-26 02:38:56,837 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:38:56,839 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:38:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:38:56,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:38:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:38:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:38:56,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-26 02:38:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:38:56,862 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:38:56,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:38:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:38:56,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:38:57,069 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:38:57,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:38:57,110 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:38:57,110 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:38:57,110 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:38:57,110 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:38:57,111 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-26 02:38:57,111 INFO L447 ceAbstractionStarter]: At program point L16(lines 8 17) the Hoare annotation is: true [2019-11-26 02:38:57,111 INFO L444 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-11-26 02:38:57,111 INFO L447 ceAbstractionStarter]: At program point L13-1(lines 13 15) the Hoare annotation is: true [2019-11-26 02:38:57,111 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-26 02:38:57,111 INFO L444 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-26 02:38:57,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:38:57 BoogieIcfgContainer [2019-11-26 02:38:57,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:38:57,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:38:57,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:38:57,116 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:38:57,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:38:56" (3/4) ... [2019-11-26 02:38:57,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:38:57,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:38:57,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:38:57,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:38:57,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bcc4ca5e-1727-4d8e-997c-242fa0f06ebf/bin/utaipan/witness.graphml [2019-11-26 02:38:57,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:38:57,159 INFO L168 Benchmark]: Toolchain (without parser) took 1278.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 961.8 MB in the beginning and 1.0 GB in the end (delta: -73.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,159 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:38:57,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,161 INFO L168 Benchmark]: Boogie Preprocessor took 22.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,162 INFO L168 Benchmark]: RCFGBuilder took 265.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,162 INFO L168 Benchmark]: TraceAbstraction took 675.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,163 INFO L168 Benchmark]: Witness Printer took 41.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:38:57,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.51 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 265.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 675.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 6 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10 ConjunctsInSsa, 4 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...