./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/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 66f3053ae91dd747e7b211a5258ddd70b4c376e2 ................................................................................................................................................................................................................................... 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_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/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 66f3053ae91dd747e7b211a5258ddd70b4c376e2 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:25:58,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:25:58,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:25:58,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:25:58,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:25:58,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:25:58,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:25:58,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:25:58,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:25:58,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:25:58,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:25:58,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:25:58,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:25:58,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:25:58,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:25:58,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:25:58,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:25:58,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:25:58,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:25:58,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:25:58,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:25:58,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:25:58,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:25:58,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:25:58,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:25:58,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:25:58,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:25:58,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:25:58,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:25:58,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:25:58,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:25:58,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:25:58,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:25:58,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:25:58,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:25:58,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:25:58,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:25:58,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:25:58,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:25:58,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:25:58,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:25:58,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 14:25:58,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:25:58,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:25:58,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:25:58,994 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:25:58,994 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:25:58,994 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:25:58,994 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 14:25:58,994 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:25:58,995 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 14:25:58,995 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 14:25:58,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:25:58,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:25:58,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:25:58,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:25:58,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:25:58,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:25:58,999 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_7a855590-1033-4e62-ab6b-3bda60ed5787/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 -> 66f3053ae91dd747e7b211a5258ddd70b4c376e2 [2019-12-07 14:25:59,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:25:59,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:25:59,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:25:59,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:25:59,112 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:25:59,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_8.i [2019-12-07 14:25:59,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/9c16c39ad/fda4b8d5cfbc46c78d17e18496849d13/FLAG34417022a [2019-12-07 14:25:59,499 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:25:59,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/sv-benchmarks/c/floats-cdfpl/sine_8.i [2019-12-07 14:25:59,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/9c16c39ad/fda4b8d5cfbc46c78d17e18496849d13/FLAG34417022a [2019-12-07 14:25:59,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/9c16c39ad/fda4b8d5cfbc46c78d17e18496849d13 [2019-12-07 14:25:59,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:25:59,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:25:59,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:59,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:25:59,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:25:59,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4372bc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59, skipping insertion in model container [2019-12-07 14:25:59,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:25:59,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:25:59,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:59,633 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:25:59,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:25:59,685 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:25:59,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59 WrapperNode [2019-12-07 14:25:59,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:25:59,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:59,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:25:59,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:25:59,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:25:59,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:25:59,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:25:59,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:25:59,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... [2019-12-07 14:25:59,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:25:59,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:25:59,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:25:59,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:25:59,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/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 [2019-12-07 14:25:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:25:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:25:59,840 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:25:59,840 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 14:25:59,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:59 BoogieIcfgContainer [2019-12-07 14:25:59,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:25:59,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:25:59,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:25:59,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:25:59,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:25:59" (1/3) ... [2019-12-07 14:25:59,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36aacb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:59, skipping insertion in model container [2019-12-07 14:25:59,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:25:59" (2/3) ... [2019-12-07 14:25:59,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36aacb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:25:59, skipping insertion in model container [2019-12-07 14:25:59,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:59" (3/3) ... [2019-12-07 14:25:59,845 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_8.i [2019-12-07 14:25:59,851 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:25:59,855 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:25:59,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:25:59,876 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:25:59,876 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:25:59,876 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:25:59,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:25:59,877 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:25:59,877 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:25:59,877 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:25:59,877 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:25:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-12-07 14:25:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 14:25:59,888 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:25:59,889 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 14:25:59,889 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:25:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:25:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-12-07 14:25:59,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 14:25:59,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581233060] [2019-12-07 14:25:59,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:25:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:25:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:25:59,967 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 14:25:59,968 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:25:59,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:25:59 BoogieIcfgContainer [2019-12-07 14:25:59,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:25:59,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:25:59,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:25:59,979 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:25:59,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:25:59" (3/4) ... [2019-12-07 14:25:59,981 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:25:59,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:25:59,983 INFO L168 Benchmark]: Toolchain (without parser) took 468.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:59,983 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:25:59,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.96 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,985 INFO L168 Benchmark]: Boogie Preprocessor took 10.98 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,985 INFO L168 Benchmark]: RCFGBuilder took 124.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,986 INFO L168 Benchmark]: TraceAbstraction took 136.57 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,986 INFO L168 Benchmark]: Witness Printer took 2.98 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:25:59,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.96 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.98 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 124.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136.57 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L13] COND TRUE !(result <= 2.0f && result >= -2.0f) [L14] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, 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=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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:26:01,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:26:01,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:26:01,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:26:01,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:26:01,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:26:01,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:26:01,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:26:01,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:26:01,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:26:01,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:26:01,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:26:01,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:26:01,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:26:01,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:26:01,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:26:01,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:26:01,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:26:01,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:26:01,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:26:01,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:26:01,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:26:01,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:26:01,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:26:01,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:26:01,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:26:01,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:26:01,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:26:01,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:26:01,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:26:01,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:26:01,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:26:01,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:26:01,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:26:01,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:26:01,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:26:01,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:26:01,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:26:01,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:26:01,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:26:01,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:26:01,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 14:26:01,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:26:01,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:26:01,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 14:26:01,398 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 14:26:01,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 14:26:01,398 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 14:26:01,398 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 14:26:01,399 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 14:26:01,399 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 14:26:01,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:26:01,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:26:01,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:26:01,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:26:01,400 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:26:01,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:26:01,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:26:01,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:26:01,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:26:01,403 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_7a855590-1033-4e62-ab6b-3bda60ed5787/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 -> 66f3053ae91dd747e7b211a5258ddd70b4c376e2 [2019-12-07 14:26:01,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:26:01,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:26:01,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:26:01,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:26:01,580 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:26:01,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/../../sv-benchmarks/c/floats-cdfpl/sine_8.i [2019-12-07 14:26:01,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/aeb3d0c59/2a03677da14644cc95077cc9223ff1bb/FLAG913488248 [2019-12-07 14:26:02,089 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:26:02,090 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/sv-benchmarks/c/floats-cdfpl/sine_8.i [2019-12-07 14:26:02,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/aeb3d0c59/2a03677da14644cc95077cc9223ff1bb/FLAG913488248 [2019-12-07 14:26:02,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/data/aeb3d0c59/2a03677da14644cc95077cc9223ff1bb [2019-12-07 14:26:02,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:26:02,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:26:02,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:26:02,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:26:02,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:26:02,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415fd40c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02, skipping insertion in model container [2019-12-07 14:26:02,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:26:02,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:26:02,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:26:02,239 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:26:02,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:26:02,261 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:26:02,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02 WrapperNode [2019-12-07 14:26:02,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:26:02,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:26:02,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:26:02,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:26:02,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:26:02,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:26:02,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:26:02,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:26:02,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... [2019-12-07 14:26:02,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:26:02,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:26:02,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:26:02,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:26:02,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/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 [2019-12-07 14:26:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:26:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:26:05,270 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:26:05,270 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 14:26:05,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:26:05 BoogieIcfgContainer [2019-12-07 14:26:05,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:26:05,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:26:05,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:26:05,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:26:05,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:26:02" (1/3) ... [2019-12-07 14:26:05,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a3555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:26:05, skipping insertion in model container [2019-12-07 14:26:05,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:26:02" (2/3) ... [2019-12-07 14:26:05,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@602a3555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:26:05, skipping insertion in model container [2019-12-07 14:26:05,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:26:05" (3/3) ... [2019-12-07 14:26:05,277 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_8.i [2019-12-07 14:26:05,286 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:26:05,291 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:26:05,298 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:26:05,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:26:05,313 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:26:05,313 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:26:05,313 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:26:05,313 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:26:05,313 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:26:05,313 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:26:05,313 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:26:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-07 14:26:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 14:26:05,325 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:26:05,326 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 14:26:05,326 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:26:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:26:05,329 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-12-07 14:26:05,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 14:26:05,337 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206341117] [2019-12-07 14:26:05,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/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 [2019-12-07 14:37:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:37:35,831 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 14:37:35,835 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:37:38,325 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~x~0 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~x~0 .cse2))))) is different from false [2019-12-07 14:37:40,739 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~x~0 (fp.div c_currentRoundingMode .cse0 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~x~0 .cse2))))) is different from true [2019-12-07 14:37:43,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:37:55,977 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~x~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 2.0)))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~x~0 .cse2)))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~x~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse5)) (fp.lt ULTIMATE.start_main_~x~0 .cse5))))) is different from false [2019-12-07 14:37:58,397 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.geq (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~x~0 (fp.div roundNearestTiesToEven .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse1 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 2.0)))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse2)) (fp.lt ULTIMATE.start_main_~x~0 .cse2)))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 157079632679.0 100000000000.0)))) (and (not (fp.leq (let ((.cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse4 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start_main_~x~0 (fp.div roundNearestTiesToEven .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 6.0))) (fp.div roundNearestTiesToEven .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 120.0))) (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) roundNearestTiesToEven 5040.0))))) ((_ to_fp 8 24) roundNearestTiesToEven 2.0))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse5)) (fp.lt ULTIMATE.start_main_~x~0 .cse5))))) is different from true [2019-12-07 14:37:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:37:58,400 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:37:58,428 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:38:00,857 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse0)) (fp.geq (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse0)))))) (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse3)) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse3))) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode 2.0)))))) is different from false [2019-12-07 14:38:04,700 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse0)) (fp.geq (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse0)))))) (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse3)) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse3))) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode 2.0)))))) is different from true [2019-12-07 14:38:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:38:04,702 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206341117] [2019-12-07 14:38:04,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:38:04,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2019-12-07 14:38:04,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694042030] [2019-12-07 14:38:04,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:38:04,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 14:38:04,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:38:04,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=7, Unknown=6, NotChecked=18, Total=42 [2019-12-07 14:38:04,721 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 7 states. [2019-12-07 14:38:07,171 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse0)) (fp.geq (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse0)))))) (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse3)) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse3))) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode 2.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 14:38:10,808 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse0)) (fp.geq (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse0)))))) (forall ((v_ULTIMATE.start_main_~x~0_4 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (or (not (fp.lt v_ULTIMATE.start_main_~x~0_4 .cse3)) (not (fp.gt v_ULTIMATE.start_main_~x~0_4 (fp.neg .cse3))) (fp.leq (let ((.cse4 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (let ((.cse5 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse4 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode v_ULTIMATE.start_main_~x~0_4 (fp.div c_currentRoundingMode .cse4 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse5 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse5 v_ULTIMATE.start_main_~x~0_4) v_ULTIMATE.start_main_~x~0_4) ((_ to_fp 8 24) c_currentRoundingMode 5040.0))))) ((_ to_fp 8 24) c_currentRoundingMode 2.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 14:38:13,288 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 2.0))) (and (fp.geq c_ULTIMATE.start_main_~result~0 (fp.neg .cse0)) (fp.leq c_ULTIMATE.start_main_~result~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 8 24))) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 157079632679.0 100000000000.0)))) (and (= c_ULTIMATE.start_main_~result~0 (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode ULTIMATE.start_main_~x~0 (fp.div c_currentRoundingMode .cse1 ((_ to_fp 8 24) c_currentRoundingMode 6.0))) (fp.div c_currentRoundingMode .cse2 ((_ to_fp 8 24) c_currentRoundingMode 120.0))) (fp.div c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode .cse2 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~x~0) ((_ to_fp 8 24) c_currentRoundingMode 5040.0)))))) (fp.gt ULTIMATE.start_main_~x~0 (fp.neg .cse3)) (fp.lt ULTIMATE.start_main_~x~0 .cse3)))))) is different from false [2019-12-07 14:38:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:38:13,297 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 14:38:13,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:38:13,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 4 [2019-12-07 14:38:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:38:13,304 INFO L225 Difference]: With dead ends: 13 [2019-12-07 14:38:13,304 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:38:13,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=15, Invalid=8, Unknown=9, NotChecked=40, Total=72 [2019-12-07 14:38:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:38:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:38:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:38:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:38:13,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-12-07 14:38:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:38:13,324 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:38:13,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:38:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:38:13,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:38:13,526 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:38:13,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:38:13,582 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L249 CegarLoopResult]: At program point L16(lines 4 17) the Hoare annotation is: true [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point L13(lines 13 14) no Hoare annotation was computed. [2019-12-07 14:38:13,583 INFO L246 CegarLoopResult]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2019-12-07 14:38:13,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:38:13 BoogieIcfgContainer [2019-12-07 14:38:13,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:38:13,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:38:13,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:38:13,589 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:38:13,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:26:05" (3/4) ... [2019-12-07 14:38:13,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:38:13,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 14:38:13,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:38:13,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:38:13,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7a855590-1033-4e62-ab6b-3bda60ed5787/bin/utaipan/witness.graphml [2019-12-07 14:38:13,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:38:13,624 INFO L168 Benchmark]: Toolchain (without parser) took 731519.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -103.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,625 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:38:13,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,626 INFO L168 Benchmark]: Boogie Preprocessor took 14.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,627 INFO L168 Benchmark]: RCFGBuilder took 2941.95 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,627 INFO L168 Benchmark]: TraceAbstraction took 728316.60 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,627 INFO L168 Benchmark]: Witness Printer took 34.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:38:13,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.32 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2941.95 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 728316.60 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: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: 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: 4]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 728.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 689.9s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 3 QuantifiedInterpolants, 1254 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 5 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...