./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --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_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 80f5f1ccd9454019e5b231b920d368e18867583c ...................................................................................................................................................................................................................................................................................................... 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_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 80f5f1ccd9454019e5b231b920d368e18867583c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:12:29,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:12:29,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:12:29,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:12:29,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:12:29,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:12:29,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:12:29,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:12:29,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:12:29,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:12:29,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:12:29,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:12:29,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:12:29,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:12:29,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:12:29,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:12:29,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:12:29,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:12:29,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:12:29,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:12:29,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:12:29,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:12:29,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:12:29,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:12:29,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:12:29,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:12:29,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:12:29,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:12:29,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:12:29,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:12:29,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:12:29,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:12:29,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:12:29,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:12:29,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:12:29,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:12:29,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:12:29,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:12:29,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:12:29,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:12:29,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:12:29,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:12:29,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:12:29,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:12:29,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:12:29,849 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:12:29,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:12:29,850 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:12:29,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:12:29,851 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:12:29,851 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:12:29,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:12:29,851 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:12:29,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:12:29,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:12:29,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:12:29,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:12:29,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:12:29,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:12:29,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:12:29,854 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_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-12-07 21:12:29,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:12:29,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:12:29,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:12:29,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:12:29,964 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:12:29,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-12-07 21:12:30,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/1478f500f/c270c56ec9db434a8c4290deb65c2941/FLAGb6ab285f3 [2019-12-07 21:12:30,435 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:12:30,435 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-12-07 21:12:30,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/1478f500f/c270c56ec9db434a8c4290deb65c2941/FLAGb6ab285f3 [2019-12-07 21:12:30,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/1478f500f/c270c56ec9db434a8c4290deb65c2941 [2019-12-07 21:12:30,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:12:30,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:12:30,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:12:30,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:12:30,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:12:30,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b32c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30, skipping insertion in model container [2019-12-07 21:12:30,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:12:30,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:12:30,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:12:30,648 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:12:30,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:12:30,693 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:12:30,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30 WrapperNode [2019-12-07 21:12:30,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:12:30,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:12:30,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:12:30,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:12:30,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:12:30,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:12:30,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:12:30,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:12:30,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... [2019-12-07 21:12:30,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:12:30,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:12:30,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:12:30,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:12:30,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:12:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 21:12:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:12:31,152 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:12:31,152 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 21:12:31,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:31 BoogieIcfgContainer [2019-12-07 21:12:31,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:12:31,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:12:31,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:12:31,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:12:31,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:12:30" (1/3) ... [2019-12-07 21:12:31,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530258ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:12:31, skipping insertion in model container [2019-12-07 21:12:31,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:30" (2/3) ... [2019-12-07 21:12:31,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530258ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:12:31, skipping insertion in model container [2019-12-07 21:12:31,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:31" (3/3) ... [2019-12-07 21:12:31,158 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-12-07 21:12:31,164 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:12:31,169 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:12:31,177 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:12:31,191 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:12:31,192 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:12:31,192 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:12:31,192 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:12:31,192 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:12:31,192 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:12:31,192 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:12:31,192 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:12:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-07 21:12:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 21:12:31,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:31,205 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:31,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:31,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:31,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1724686161, now seen corresponding path program 1 times [2019-12-07 21:12:31,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:12:31,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562573687] [2019-12-07 21:12:31,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:12:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:31,291 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 21:12:31,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562573687] [2019-12-07 21:12:31,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:31,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 21:12:31,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574684970] [2019-12-07 21:12:31,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:12:31,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 21:12:31,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:12:31,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:12:31,305 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2019-12-07 21:12:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:31,319 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2019-12-07 21:12:31,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:12:31,320 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 21:12:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:31,327 INFO L225 Difference]: With dead ends: 91 [2019-12-07 21:12:31,327 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 21:12:31,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:12:31,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 21:12:31,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 21:12:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 21:12:31,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2019-12-07 21:12:31,353 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 8 [2019-12-07 21:12:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:31,353 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2019-12-07 21:12:31,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:12:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2019-12-07 21:12:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 21:12:31,354 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:31,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:31,354 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:31,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:31,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1651405550, now seen corresponding path program 1 times [2019-12-07 21:12:31,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 21:12:31,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081565302] [2019-12-07 21:12:31,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 21:12:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:12:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:12:31,403 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 21:12:31,403 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:12:31,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:12:31 BoogieIcfgContainer [2019-12-07 21:12:31,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:12:31,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:12:31,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:12:31,425 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:12:31,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:31" (3/4) ... [2019-12-07 21:12:31,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 21:12:31,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:12:31,429 INFO L168 Benchmark]: Toolchain (without parser) took 976.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -80.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:31,429 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:12:31,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:31,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:12:31,431 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:31,431 INFO L168 Benchmark]: RCFGBuilder took 399.99 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:31,431 INFO L168 Benchmark]: TraceAbstraction took 270.64 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:31,432 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:12:31,434 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.08 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 399.99 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 270.64 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L193] float x = -0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 21:12:32,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:12:32,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:12:32,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:12:32,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:12:32,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:12:32,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:12:32,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:12:32,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:12:32,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:12:32,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:12:32,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:12:32,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:12:32,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:12:32,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:12:32,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:12:32,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:12:32,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:12:32,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:12:32,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:12:32,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:12:32,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:12:32,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:12:32,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:12:32,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:12:32,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:12:32,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:12:32,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:12:32,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:12:32,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:12:32,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:12:32,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:12:32,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:12:32,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:12:32,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:12:32,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:12:32,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:12:32,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:12:32,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:12:32,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:12:32,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:12:32,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:12:32,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:12:32,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:12:32,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:12:32,809 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:12:32,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:12:32,809 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:12:32,809 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:12:32,809 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:12:32,809 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:12:32,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:12:32,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:12:32,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:12:32,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:12:32,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:12:32,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:12:32,813 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:12:32,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:12:32,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:12:32,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:12:32,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:12:32,813 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_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-12-07 21:12:32,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:12:32,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:12:32,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:12:32,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:12:32,986 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:12:32,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-12-07 21:12:33,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/27e73d279/4c5c2aff8c664562b577bc1567e70d12/FLAGf7b486a20 [2019-12-07 21:12:33,429 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:12:33,429 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-12-07 21:12:33,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/27e73d279/4c5c2aff8c664562b577bc1567e70d12/FLAGf7b486a20 [2019-12-07 21:12:33,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/data/27e73d279/4c5c2aff8c664562b577bc1567e70d12 [2019-12-07 21:12:33,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:12:33,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:12:33,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:12:33,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:12:33,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:12:33,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:12:33" (1/1) ... [2019-12-07 21:12:33,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:33, skipping insertion in model container [2019-12-07 21:12:33,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:12:33" (1/1) ... [2019-12-07 21:12:33,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:12:33,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:12:33,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:12:33,970 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:12:34,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:12:34,053 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:12:34,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34 WrapperNode [2019-12-07 21:12:34,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:12:34,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:12:34,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:12:34,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:12:34,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:12:34,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:12:34,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:12:34,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:12:34,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... [2019-12-07 21:12:34,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:12:34,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:12:34,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:12:34,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:12:34,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 21:12:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:12:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 21:12:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 21:12:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:12:34,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:12:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 21:12:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 21:12:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 21:12:44,268 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:12:44,268 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 21:12:44,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:44 BoogieIcfgContainer [2019-12-07 21:12:44,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:12:44,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:12:44,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:12:44,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:12:44,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:12:33" (1/3) ... [2019-12-07 21:12:44,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fed076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:12:44, skipping insertion in model container [2019-12-07 21:12:44,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:12:34" (2/3) ... [2019-12-07 21:12:44,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50fed076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:12:44, skipping insertion in model container [2019-12-07 21:12:44,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:44" (3/3) ... [2019-12-07 21:12:44,274 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-12-07 21:12:44,281 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:12:44,285 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 21:12:44,292 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 21:12:44,306 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:12:44,306 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:12:44,307 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:12:44,307 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:12:44,307 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:12:44,307 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:12:44,307 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:12:44,307 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:12:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-12-07 21:12:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 21:12:44,321 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:44,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:44,322 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:44,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:44,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-12-07 21:12:44,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:12:44,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629210196] [2019-12-07 21:12:44,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/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 21:12:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:44,853 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:12:44,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:12:44,866 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 21:12:44,867 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:12:44,869 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 21:12:44,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629210196] [2019-12-07 21:12:44,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:44,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:12:44,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769169418] [2019-12-07 21:12:44,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:12:44,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:12:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:12:44,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:12:44,884 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-12-07 21:12:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:44,899 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-12-07 21:12:44,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:12:44,900 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 21:12:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:44,907 INFO L225 Difference]: With dead ends: 118 [2019-12-07 21:12:44,908 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 21:12:44,910 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:12:44,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 21:12:44,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 21:12:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 21:12:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-12-07 21:12:44,941 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-12-07 21:12:44,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:44,941 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-12-07 21:12:44,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:12:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-07 21:12:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 21:12:44,942 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:44,942 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:45,143 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:12:45,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:45,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-12-07 21:12:45,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:12:45,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531888756] [2019-12-07 21:12:45,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 21:12:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:45,693 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 21:12:45,695 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:12:45,742 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 21:12:45,742 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:12:45,786 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 21:12:45,786 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531888756] [2019-12-07 21:12:45,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:45,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:12:45,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422221532] [2019-12-07 21:12:45,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:12:45,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:12:45,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:12:45,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:12:45,789 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-12-07 21:12:46,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:46,913 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-12-07 21:12:46,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:12:46,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-12-07 21:12:46,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:46,915 INFO L225 Difference]: With dead ends: 104 [2019-12-07 21:12:46,915 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 21:12:46,916 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:12:46,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 21:12:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 21:12:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 21:12:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-12-07 21:12:46,924 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-12-07 21:12:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:46,924 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-12-07 21:12:46,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:12:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-12-07 21:12:46,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 21:12:46,925 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:46,925 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:47,126 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:12:47,127 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:47,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:47,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-12-07 21:12:47,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:12:47,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332899493] [2019-12-07 21:12:47,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 21:12:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:47,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:12:47,582 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:12:47,610 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 21:12:47,610 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:12:47,612 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:12:47,637 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 21:12:47,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332899493] [2019-12-07 21:12:47,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:47,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-12-07 21:12:47,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622200066] [2019-12-07 21:12:47,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 21:12:47,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:12:47,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 21:12:47,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:12:47,640 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-12-07 21:12:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:47,784 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-12-07 21:12:47,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:12:47,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-12-07 21:12:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:47,785 INFO L225 Difference]: With dead ends: 69 [2019-12-07 21:12:47,785 INFO L226 Difference]: Without dead ends: 66 [2019-12-07 21:12:47,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:12:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-07 21:12:47,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-12-07 21:12:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 21:12:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-12-07 21:12:47,792 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-12-07 21:12:47,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:47,792 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-12-07 21:12:47,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 21:12:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-12-07 21:12:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 21:12:47,793 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:47,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:47,993 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:12:47,994 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-12-07 21:12:47,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:12:47,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458285702] [2019-12-07 21:12:47,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 21:12:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:48,454 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 21:12:48,456 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:12:48,497 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:12:48,522 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 21:12:48,522 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:12:48,523 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:12:48,677 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 21:12:48,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458285702] [2019-12-07 21:12:48,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:48,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 21:12:48,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146076807] [2019-12-07 21:12:48,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 21:12:48,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:12:48,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 21:12:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 21:12:48,679 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-12-07 21:12:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:48,974 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-12-07 21:12:48,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:12:48,975 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-12-07 21:12:48,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:48,976 INFO L225 Difference]: With dead ends: 66 [2019-12-07 21:12:48,976 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 21:12:48,976 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-12-07 21:12:48,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 21:12:48,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 21:12:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 21:12:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-12-07 21:12:48,981 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-12-07 21:12:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:48,981 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-12-07 21:12:48,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 21:12:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-12-07 21:12:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 21:12:48,982 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:12:48,982 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:12:49,183 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:12:49,183 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:12:49,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:12:49,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-12-07 21:12:49,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:12:49,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555759134] [2019-12-07 21:12:49,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 21:12:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:12:51,123 INFO L264 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:12:51,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:12:51,184 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 21:12:51,184 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:12:51,573 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 21:12:51,732 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 21:12:51,733 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555759134] [2019-12-07 21:12:51,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:12:51,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 21:12:51,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327981144] [2019-12-07 21:12:51,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:12:51,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:12:51,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:12:51,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:12:51,734 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-12-07 21:12:51,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:12:51,816 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-12-07 21:12:51,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:12:51,817 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 21:12:51,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:12:51,818 INFO L225 Difference]: With dead ends: 57 [2019-12-07 21:12:51,818 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:12:51,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:12:51,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:12:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:12:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:12:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:12:51,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-07 21:12:51,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:12:51,819 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:12:51,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:12:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:12:51,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:12:52,020 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:12:52,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:12:52,176 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L249 CegarLoopResult]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L242 CegarLoopResult]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_asinf_~x (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-12-07 21:12:52,177 INFO L246 CegarLoopResult]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L242 CegarLoopResult]: At program point L21(lines 12 22) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= (_ bv0 32) (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32))) (= ULTIMATE.start___signbit_float_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L242 CegarLoopResult]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L242 CegarLoopResult]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-12-07 21:12:52,178 INFO L246 CegarLoopResult]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L242 CegarLoopResult]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-12-07 21:12:52,179 INFO L242 CegarLoopResult]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L242 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-12-07 21:12:52,179 INFO L242 CegarLoopResult]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-12-07 21:12:52,180 INFO L242 CegarLoopResult]: At program point L15-2(lines 15 19) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_float_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-12-07 21:12:52,180 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-12-07 21:12:52,181 INFO L246 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-12-07 21:12:52,181 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-12-07 21:12:52,181 INFO L246 CegarLoopResult]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-12-07 21:12:52,181 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-12-07 21:12:52,181 INFO L242 CegarLoopResult]: At program point L182(lines 117 183) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-12-07 21:12:52,181 INFO L246 CegarLoopResult]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-12-07 21:12:52,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,192 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,193 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:12:52,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:12:52,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,197 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:12:52 BoogieIcfgContainer [2019-12-07 21:12:52,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:12:52,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:12:52,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:12:52,200 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:12:52,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:12:44" (3/4) ... [2019-12-07 21:12:52,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:12:52,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 21:12:52,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 21:12:52,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:12:52,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-12-07 21:12:52,231 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-12-07 21:12:52,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-12-07 21:12:52,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2acd5a1c-5723-455f-8046-f1a6a4834e80/bin/utaipan/witness.graphml [2019-12-07 21:12:52,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:12:52,260 INFO L168 Benchmark]: Toolchain (without parser) took 18454.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 843.8 MB in the end (delta: 108.6 MB). Peak memory consumption was 239.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:52,260 INFO L168 Benchmark]: CDTParser took 0.18 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 21:12:52,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:52,261 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.25 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. [2019-12-07 21:12:52,261 INFO L168 Benchmark]: Boogie Preprocessor took 31.53 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. [2019-12-07 21:12:52,261 INFO L168 Benchmark]: RCFGBuilder took 10137.78 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:52,261 INFO L168 Benchmark]: TraceAbstraction took 7930.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.4 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:52,261 INFO L168 Benchmark]: Witness Printer took 58.62 ms. Allocated memory is still 1.2 GB. Free memory was 850.4 MB in the beginning and 843.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:12:52,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 247.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.25 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 31.53 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 10137.78 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: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7930.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.4 MB in the end (delta: 216.7 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.62 ms. Allocated memory is still 1.2 GB. Free memory was 850.4 MB in the beginning and 843.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-12-07 21:12:52,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 117]: Loop Invariant [2019-12-07 21:12:52,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 120]: Loop Invariant [2019-12-07 21:12:52,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:12:52,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:12:52,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:12:52,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-12-07 21:12:52,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 21:12:52,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 172 HoareAnnotationTreeSize, 13 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 16357 SizeOfPredicates, 28 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...