./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc541d75f5affce4b825454cfd79356341e493a9 ....................................................................................................................................................................................................................................................................................................................................................... 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_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc541d75f5affce4b825454cfd79356341e493a9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:48:55,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:48:55,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:48:55,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:48:55,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:48:55,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:48:55,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:48:55,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:48:55,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:48:55,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:48:55,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:48:55,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:48:55,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:48:55,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:48:55,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:48:55,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:48:55,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:48:55,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:48:55,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:48:55,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:48:56,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:48:56,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:48:56,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:48:56,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:48:56,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:48:56,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:48:56,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:48:56,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:48:56,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:48:56,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:48:56,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:48:56,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:48:56,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:48:56,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:48:56,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:48:56,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:48:56,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:48:56,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:48:56,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:48:56,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:48:56,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:48:56,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:48:56,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:48:56,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:48:56,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:48:56,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:48:56,061 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:48:56,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:48:56,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:48:56,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:48:56,062 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:48:56,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:48:56,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:48:56,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:48:56,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:48:56,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:48:56,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:48:56,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:48:56,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:48:56,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:48:56,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:48:56,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:48:56,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:48:56,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:48:56,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:48:56,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:48:56,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:48:56,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:48:56,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:48:56,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:48:56,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer 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 -> Automizer 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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2019-11-20 07:48:56,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:48:56,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:48:56,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:48:56,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:48:56,307 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:48:56,309 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2019-11-20 07:48:56,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/b395901b6/fc73412be7ba4688bb1f8b095f2e902a/FLAG57ec7954c [2019-11-20 07:48:56,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:48:56,918 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2019-11-20 07:48:56,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/b395901b6/fc73412be7ba4688bb1f8b095f2e902a/FLAG57ec7954c [2019-11-20 07:48:57,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/b395901b6/fc73412be7ba4688bb1f8b095f2e902a [2019-11-20 07:48:57,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:48:57,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:48:57,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:48:57,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:48:57,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:48:57,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5a5412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57, skipping insertion in model container [2019-11-20 07:48:57,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,390 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:48:57,417 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:48:57,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:48:57,710 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:48:57,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:48:57,804 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:48:57,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57 WrapperNode [2019-11-20 07:48:57,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:48:57,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:48:57,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:48:57,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:48:57,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:48:57,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:48:57,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:48:57,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:48:57,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... [2019-11-20 07:48:57,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:48:57,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:48:57,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:48:57,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:48:57,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:48:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:48:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 07:48:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:48:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 07:48:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:48:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:48:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 07:48:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:48:58,705 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:48:58,706 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-20 07:48:58,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:58 BoogieIcfgContainer [2019-11-20 07:48:58,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:48:58,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:48:58,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:48:58,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:48:58,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:57" (1/3) ... [2019-11-20 07:48:58,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48098ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:58, skipping insertion in model container [2019-11-20 07:48:58,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:57" (2/3) ... [2019-11-20 07:48:58,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48098ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:58, skipping insertion in model container [2019-11-20 07:48:58,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:58" (3/3) ... [2019-11-20 07:48:58,716 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2019-11-20 07:48:58,724 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:48:58,730 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:48:58,742 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:48:58,765 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:48:58,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:48:58,766 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:48:58,766 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:48:58,766 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:48:58,766 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:48:58,766 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:48:58,766 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:48:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 07:48:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:48:58,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:58,787 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:48:58,788 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:58,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:58,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2019-11-20 07:48:58,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:58,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236982567] [2019-11-20 07:48:58,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:48:58,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236982567] [2019-11-20 07:48:58,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:58,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 07:48:58,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212903876] [2019-11-20 07:48:58,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:48:58,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:58,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:48:58,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:48:58,977 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 07:48:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:59,004 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2019-11-20 07:48:59,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:48:59,005 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 07:48:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:59,016 INFO L225 Difference]: With dead ends: 95 [2019-11-20 07:48:59,016 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 07:48:59,020 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 [2019-11-20 07:48:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 07:48:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-20 07:48:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-20 07:48:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2019-11-20 07:48:59,061 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2019-11-20 07:48:59,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:59,061 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2019-11-20 07:48:59,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:48:59,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2019-11-20 07:48:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:48:59,063 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:59,063 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:48:59,063 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:59,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2019-11-20 07:48:59,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:59,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703778439] [2019-11-20 07:48:59,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:48:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:48:59,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703778439] [2019-11-20 07:48:59,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:48:59,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 07:48:59,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399028713] [2019-11-20 07:48:59,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:48:59,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:48:59,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:48:59,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:48:59,131 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand 3 states. [2019-11-20 07:48:59,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:48:59,159 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2019-11-20 07:48:59,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:48:59,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-20 07:48:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:48:59,163 INFO L225 Difference]: With dead ends: 83 [2019-11-20 07:48:59,164 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 07:48:59,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:48:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 07:48:59,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-20 07:48:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-20 07:48:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2019-11-20 07:48:59,178 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2019-11-20 07:48:59,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:48:59,178 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2019-11-20 07:48:59,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:48:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2019-11-20 07:48:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:48:59,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:48:59,180 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:48:59,180 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:48:59,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:48:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2019-11-20 07:48:59,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:48:59,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081332389] [2019-11-20 07:48:59,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:48:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:48:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 07:48:59,362 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 07:48:59,362 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 07:48:59,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:59 BoogieIcfgContainer [2019-11-20 07:48:59,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:48:59,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:48:59,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:48:59,431 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:48:59,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:58" (3/4) ... [2019-11-20 07:48:59,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 07:48:59,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:48:59,439 INFO L168 Benchmark]: Toolchain (without parser) took 2071.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -71.1 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:59,440 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:48:59,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:59,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.98 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. [2019-11-20 07:48:59,443 INFO L168 Benchmark]: Boogie Preprocessor took 74.03 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. [2019-11-20 07:48:59,445 INFO L168 Benchmark]: RCFGBuilder took 768.12 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:59,446 INFO L168 Benchmark]: TraceAbstraction took 721.58 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:48:59,448 INFO L168 Benchmark]: Witness Printer took 5.52 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. [2019-11-20 07:48:59,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 438.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.98 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 74.03 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. * RCFGBuilder took 768.12 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 721.58 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.52 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: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseAnd at line 170, overapproximation of someBinaryArithmeticDOUBLEoperation at line 145. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L180] double x = __VERIFIER_nondet_double(); [L182] x < 0 && isfinite_double(x) [L164] __int32_t hx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L166] ieee_double_shape_type gh_u; [L167] gh_u.value = (x) [L168] EXPR gh_u.parts.msw [L168] (hx) = gh_u.parts.msw [L170] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] x < 0 && isfinite_double(x) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] COND TRUE x < 0 && isfinite_double(x) [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L131] COND FALSE !(hx < 0x00100000) VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L144] COND TRUE hx >= 0x7ff00000 [L145] return x + x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L184] double res = __ieee754_log10(x); [L161] return x != x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L187] COND TRUE !isnan_double(res) [L188] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 0 SDslu, 55 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 07:49:01,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:49:01,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:49:01,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:49:01,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:49:01,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:49:01,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:49:01,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:49:01,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:49:01,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:49:01,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:49:01,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:49:01,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:49:01,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:49:01,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:49:01,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:49:01,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:49:01,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:49:01,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:49:01,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:49:01,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:49:01,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:49:01,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:49:01,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:49:01,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:49:01,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:49:01,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:49:01,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:49:01,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:49:01,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:49:01,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:49:01,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:49:01,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:49:01,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:49:01,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:49:01,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:49:01,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:49:01,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:49:01,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:49:01,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:49:01,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:49:01,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 07:49:01,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:49:01,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:49:01,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:49:01,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:49:01,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:49:01,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:49:01,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:49:01,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:49:01,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:49:01,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:49:01,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:49:01,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:49:01,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 07:49:01,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 07:49:01,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:49:01,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:49:01,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:49:01,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:49:01,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:49:01,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:49:01,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:49:01,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:49:01,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:49:01,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:49:01,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:49:01,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:49:01,871 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 07:49:01,871 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 07:49:01,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:49:01,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 07:49:01,872 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_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer 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 -> Automizer 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 -> cc541d75f5affce4b825454cfd79356341e493a9 [2019-11-20 07:49:02,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:49:02,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:49:02,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:49:02,225 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:49:02,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:49:02,226 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2019-11-20 07:49:02,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/5da08e3e7/ce23aa3bab684a98a7dc27b87ce91e4c/FLAG94e1835ee [2019-11-20 07:49:02,728 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:49:02,729 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/sv-benchmarks/c/float-newlib/double_req_bl_0970a.c [2019-11-20 07:49:02,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/5da08e3e7/ce23aa3bab684a98a7dc27b87ce91e4c/FLAG94e1835ee [2019-11-20 07:49:03,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/data/5da08e3e7/ce23aa3bab684a98a7dc27b87ce91e4c [2019-11-20 07:49:03,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:49:03,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:49:03,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:49:03,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:49:03,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:49:03,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cde8c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03, skipping insertion in model container [2019-11-20 07:49:03,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,105 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:49:03,147 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:49:03,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:49:03,449 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:49:03,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:49:03,687 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:49:03,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03 WrapperNode [2019-11-20 07:49:03,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:49:03,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:49:03,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:49:03,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:49:03,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:49:03,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:49:03,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:49:03,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:49:03,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... [2019-11-20 07:49:03,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:49:03,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:49:03,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:49:03,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:49:03,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:49:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 07:49:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 07:49:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:49:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 07:49:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:49:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:49:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 07:49:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:49:35,427 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:49:35,428 INFO L285 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-20 07:49:35,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:35 BoogieIcfgContainer [2019-11-20 07:49:35,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:49:35,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:49:35,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:49:35,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:49:35,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:49:03" (1/3) ... [2019-11-20 07:49:35,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466be047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:49:35, skipping insertion in model container [2019-11-20 07:49:35,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:03" (2/3) ... [2019-11-20 07:49:35,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466be047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:49:35, skipping insertion in model container [2019-11-20 07:49:35,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:35" (3/3) ... [2019-11-20 07:49:35,441 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970a.c [2019-11-20 07:49:35,453 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:49:35,463 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:49:35,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:49:35,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:49:35,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:49:35,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:49:35,522 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:49:35,522 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:49:35,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:49:35,523 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:49:35,523 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:49:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-11-20 07:49:35,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:49:35,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:49:35,553 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:49:35,553 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:49:35,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:49:35,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1392627184, now seen corresponding path program 1 times [2019-11-20 07:49:35,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:49:35,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908778176] [2019-11-20 07:49:35,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 07:49:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:49:35,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 07:49:35,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:49:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:35,745 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:49:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:35,750 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908778176] [2019-11-20 07:49:35,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:49:35,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 07:49:35,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195626448] [2019-11-20 07:49:35,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 07:49:35,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:49:35,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 07:49:35,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:49:35,776 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-11-20 07:49:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:49:35,799 INFO L93 Difference]: Finished difference Result 95 states and 156 transitions. [2019-11-20 07:49:35,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 07:49:35,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 07:49:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:49:35,814 INFO L225 Difference]: With dead ends: 95 [2019-11-20 07:49:35,814 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 07:49:35,818 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 07:49:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 07:49:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-20 07:49:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-20 07:49:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2019-11-20 07:49:35,861 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 12 [2019-11-20 07:49:35,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:49:35,862 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2019-11-20 07:49:35,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 07:49:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2019-11-20 07:49:35,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:49:35,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:49:35,863 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:49:36,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 07:49:36,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:49:36,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:49:36,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1009660131, now seen corresponding path program 1 times [2019-11-20 07:49:36,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:49:36,080 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882075397] [2019-11-20 07:49:36,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/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 [2019-11-20 07:49:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:49:36,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:49:36,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:49:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:36,273 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:49:36,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:36,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882075397] [2019-11-20 07:49:36,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:49:36,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 07:49:36,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129562167] [2019-11-20 07:49:36,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 07:49:36,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:49:36,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 07:49:36,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:49:36,281 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand 3 states. [2019-11-20 07:49:36,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:49:36,302 INFO L93 Difference]: Finished difference Result 83 states and 112 transitions. [2019-11-20 07:49:36,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 07:49:36,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-20 07:49:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:49:36,304 INFO L225 Difference]: With dead ends: 83 [2019-11-20 07:49:36,304 INFO L226 Difference]: Without dead ends: 45 [2019-11-20 07:49:36,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 07:49:36,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-20 07:49:36,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-20 07:49:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-20 07:49:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2019-11-20 07:49:36,316 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 13 [2019-11-20 07:49:36,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:49:36,318 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2019-11-20 07:49:36,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 07:49:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2019-11-20 07:49:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:49:36,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:49:36,322 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:49:36,536 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 07:49:36,536 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:49:36,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:49:36,537 INFO L82 PathProgramCache]: Analyzing trace with hash 34829304, now seen corresponding path program 1 times [2019-11-20 07:49:36,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:49:36,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830693337] [2019-11-20 07:49:36,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/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 [2019-11-20 07:49:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:49:36,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:49:36,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:49:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:36,858 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:49:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:37,063 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830693337] [2019-11-20 07:49:37,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:49:37,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 07:49:37,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199551667] [2019-11-20 07:49:37,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 07:49:37,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:49:37,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 07:49:37,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 07:49:37,065 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand 10 states. [2019-11-20 07:49:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:49:41,588 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2019-11-20 07:49:41,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:49:41,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-20 07:49:41,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:49:41,622 INFO L225 Difference]: With dead ends: 50 [2019-11-20 07:49:41,622 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 07:49:41,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 07:49:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 07:49:41,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 07:49:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 07:49:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-20 07:49:41,628 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2019-11-20 07:49:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:49:41,629 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-20 07:49:41,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 07:49:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-20 07:49:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:49:41,630 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:49:41,630 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:49:41,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 07:49:41,831 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:49:41,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:49:41,831 INFO L82 PathProgramCache]: Analyzing trace with hash -675358345, now seen corresponding path program 1 times [2019-11-20 07:49:41,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:49:41,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404003930] [2019-11-20 07:49:41,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/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 [2019-11-20 07:49:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:49:43,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 07:49:43,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:49:43,219 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2019-11-20 07:49:43,252 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2019-11-20 07:49:43,253 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,325 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 07:49:43,326 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,363 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,364 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2019-11-20 07:49:43,365 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,383 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,406 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,407 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 07:49:43,407 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:84, output treesize:29 [2019-11-20 07:49:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:43,482 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:49:43,585 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,585 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 77 treesize of output 77 [2019-11-20 07:49:43,648 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,649 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 71 [2019-11-20 07:49:43,650 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,709 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2019-11-20 07:49:43,710 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,752 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,752 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2019-11-20 07:49:43,754 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,768 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 07:49:43,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 07:49:43,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 07:49:43,797 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:87, output treesize:33 [2019-11-20 07:49:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:43,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404003930] [2019-11-20 07:49:43,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:49:43,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 07:49:43,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340217481] [2019-11-20 07:49:43,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 07:49:43,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:49:43,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 07:49:43,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-11-20 07:49:43,957 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2019-11-20 07:49:47,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:49:47,455 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-11-20 07:49:47,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:49:47,868 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-20 07:49:47,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:49:47,869 INFO L225 Difference]: With dead ends: 24 [2019-11-20 07:49:47,869 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 07:49:47,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-11-20 07:49:47,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 07:49:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-20 07:49:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-20 07:49:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-20 07:49:47,877 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 17 [2019-11-20 07:49:47,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:49:47,877 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-20 07:49:47,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 07:49:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-20 07:49:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:49:47,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:49:47,878 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 07:49:48,082 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 07:49:48,083 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:49:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:49:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash 473095487, now seen corresponding path program 1 times [2019-11-20 07:49:48,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 07:49:48,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373817106] [2019-11-20 07:49:48,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/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 [2019-11-20 07:49:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:49:49,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:49:49,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:49:49,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:49:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:49,871 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:49:52,532 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_log10_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10_~x ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0))) (fp.eq .cse0 .cse0)))) is different from true [2019-11-20 07:49:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:49:52,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373817106] [2019-11-20 07:49:52,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:49:52,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-11-20 07:49:52,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307582563] [2019-11-20 07:49:52,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 07:49:52,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:49:52,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 07:49:52,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=54, Unknown=1, NotChecked=14, Total=90 [2019-11-20 07:49:52,547 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-11-20 07:49:55,017 WARN L860 $PredicateComparison]: unable to prove that (and (= (_ +zero 11 53) c_~zero_log10~0) (forall ((ULTIMATE.start___ieee754_log10_~x (_ FloatingPoint 11 53))) (not (let ((.cse0 (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10_~x ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0))) (fp.eq .cse0 .cse0))))) is different from true [2019-11-20 07:49:56,041 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-11-20 07:49:57,046 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-11-20 07:49:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:49:57,047 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-20 07:49:57,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:49:57,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-20 07:49:57,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:49:57,048 INFO L225 Difference]: With dead ends: 19 [2019-11-20 07:49:57,048 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:49:57,049 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=38, Invalid=78, Unknown=2, NotChecked=38, Total=156 [2019-11-20 07:49:57,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:49:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:49:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:49:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:49:57,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 07:49:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:49:57,050 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:49:57,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 07:49:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:49:57,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:49:57,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 07:49:57,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:50:00,474 WARN L191 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2019-11-20 07:50:01,788 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-20 07:50:04,112 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2019-11-20 07:50:06,593 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 16 DAG size of output: 11 [2019-11-20 07:50:06,599 INFO L440 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: false [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2019-11-20 07:50:06,599 INFO L447 ceAbstractionStarter]: At program point L193(lines 173 194) the Hoare annotation is: true [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:50:06,599 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2019-11-20 07:50:06,600 INFO L440 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: false [2019-11-20 07:50:06,600 INFO L444 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2019-11-20 07:50:06,600 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2019-11-20 07:50:06,600 INFO L440 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (fp.lt ULTIMATE.start___ieee754_log10_~x .cse0) (exists ((ULTIMATE.start___ieee754_log10_~x (_ FloatingPoint 11 53))) (= |ULTIMATE.start___ieee754_log10_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_log10_~x ULTIMATE.start___ieee754_log10_~x) (_ +zero 11 53)))) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_4))) (and (= ((_ extract 31 0) v_skolemized_v_prenex_3_3) .cse1) (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start___ieee754_log10_~hx~1) (= ((_ extract 63 32) v_skolemized_v_prenex_3_3) ULTIMATE.start___ieee754_log10_~hx~1) (= .cse1 ULTIMATE.start___ieee754_log10_~lx~1) (fp.lt (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-20 07:50:06,600 INFO L444 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2019-11-20 07:50:06,600 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-11-20 07:50:06,601 INFO L440 ceAbstractionStarter]: At program point L170(lines 163 171) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_log10~0) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) |ULTIMATE.start_main_#t~short21|) [2019-11-20 07:50:06,601 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2019-11-20 07:50:06,601 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2019-11-20 07:50:06,601 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2019-11-20 07:50:06,601 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-11-20 07:50:06,601 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L440 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: false [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-20 07:50:06,602 INFO L440 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (= (_ +zero 11 53) ~zero_log10~0) (fp.lt ULTIMATE.start___ieee754_log10_~x .cse0) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 07:50:06,603 INFO L444 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-20 07:50:06,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2019-11-20 07:50:06,603 INFO L440 ceAbstractionStarter]: At program point L107(lines 30 109) the Hoare annotation is: false [2019-11-20 07:50:06,603 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2019-11-20 07:50:06,603 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2019-11-20 07:50:06,603 INFO L440 ceAbstractionStarter]: At program point L165-2(lines 165 169) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_log10~0) (fp.lt ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) |ULTIMATE.start_main_#t~short21|) [2019-11-20 07:50:06,603 INFO L444 ceAbstractionStarter]: For program point L165-3(lines 165 169) no Hoare annotation was computed. [2019-11-20 07:50:06,604 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:50:06,604 INFO L440 ceAbstractionStarter]: At program point L157(lines 118 158) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.eq |ULTIMATE.start___ieee754_log10_#res| |ULTIMATE.start___ieee754_log10_#res|)) (fp.lt ULTIMATE.start___ieee754_log10_~x .cse0) (exists ((v_skolemized_v_prenex_3_3 (_ BitVec 64)) (v_skolemized_v_prenex_2_4 (_ BitVec 64))) (let ((.cse1 ((_ extract 31 0) v_skolemized_v_prenex_2_4))) (and (= ((_ extract 31 0) v_skolemized_v_prenex_3_3) .cse1) (= ((_ extract 63 32) v_skolemized_v_prenex_2_4) ULTIMATE.start___ieee754_log10_~hx~1) (= ((_ extract 63 32) v_skolemized_v_prenex_3_3) ULTIMATE.start___ieee754_log10_~hx~1) (= .cse1 ULTIMATE.start___ieee754_log10_~lx~1) (fp.lt (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4)) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))))) (fp.lt ULTIMATE.start_main_~x~0 .cse0))) [2019-11-20 07:50:06,604 INFO L444 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-11-20 07:50:06,604 INFO L444 ceAbstractionStarter]: For program point L182-2(lines 182 191) no Hoare annotation was computed. [2019-11-20 07:50:06,604 INFO L444 ceAbstractionStarter]: For program point L182-4(lines 182 191) no Hoare annotation was computed. [2019-11-20 07:50:06,604 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L440 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L440 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: false [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L150-3(lines 150 155) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-11-20 07:50:06,605 INFO L444 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2019-11-20 07:50:06,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,627 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,632 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,637 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,639 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:50:06 BoogieIcfgContainer [2019-11-20 07:50:06,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:50:06,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:50:06,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:50:06,649 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:50:06,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:35" (3/4) ... [2019-11-20 07:50:06,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:50:06,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 07:50:06,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 07:50:06,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:50:06,704 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!~fp.eq~DOUBLE(\result, \result) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists v_skolemized_v_prenex_3_3 : bv64, v_skolemized_v_prenex_2_4 : bv64 :: (((v_skolemized_v_prenex_3_3[31:0] == v_skolemized_v_prenex_2_4[31:0] && v_skolemized_v_prenex_2_4[63:32] == hx) && v_skolemized_v_prenex_3_3[63:32] == hx) && v_skolemized_v_prenex_2_4[31:0] == lx) && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) [2019-11-20 07:50:06,705 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) && (\exists ULTIMATE.start___ieee754_log10_~x : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10_~x, ULTIMATE.start___ieee754_log10_~x), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_v_prenex_3_3 : bv64, v_skolemized_v_prenex_2_4 : bv64 :: (((v_skolemized_v_prenex_3_3[31:0] == v_skolemized_v_prenex_2_4[31:0] && v_skolemized_v_prenex_2_4[63:32] == hx) && v_skolemized_v_prenex_3_3[63:32] == hx) && v_skolemized_v_prenex_2_4[31:0] == lx) && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && 1bv32 == \result [2019-11-20 07:50:06,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9fabddf0-335f-4b37-950a-7eb1b5c90bd8/bin/uautomizer/witness.graphml [2019-11-20 07:50:06,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:50:06,789 INFO L168 Benchmark]: Toolchain (without parser) took 63704.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 852.1 MB in the end (delta: 109.7 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,790 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:50:06,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -191.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,791 INFO L168 Benchmark]: Boogie Preprocessor took 55.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,792 INFO L168 Benchmark]: RCFGBuilder took 31604.16 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,792 INFO L168 Benchmark]: TraceAbstraction took 31217.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 858.8 MB in the end (delta: 245.6 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,793 INFO L168 Benchmark]: Witness Printer took 139.55 ms. Allocated memory is still 1.2 GB. Free memory was 858.8 MB in the beginning and 852.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:50:06,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 961.8 MB in the beginning and 1.2 GB in the end (delta: -191.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 31604.16 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: 34.0 MB). Peak memory consumption was 34.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31217.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 858.8 MB in the end (delta: 245.6 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. * Witness Printer took 139.55 ms. Allocated memory is still 1.2 GB. Free memory was 858.8 MB in the beginning and 852.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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_log10_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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_log10_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 163]: Loop Invariant [2019-11-20 07:50:06,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_log10 && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && aux-x < 0 && isfinite_double(x)-aux - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-20 07:50:06,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,825 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,826 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10_~x,QUANTIFIED] [2019-11-20 07:50:06,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) && (\exists ULTIMATE.start___ieee754_log10_~x : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10_~x, ULTIMATE.start___ieee754_log10_~x), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_v_prenex_3_3 : bv64, v_skolemized_v_prenex_2_4 : bv64 :: (((v_skolemized_v_prenex_3_3[31:0] == v_skolemized_v_prenex_2_4[31:0] && v_skolemized_v_prenex_2_4[63:32] == hx) && v_skolemized_v_prenex_3_3[63:32] == hx) && v_skolemized_v_prenex_2_4[31:0] == lx) && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && 1bv32 == \result - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-11-20 07:50:06,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_3,QUANTIFIED] [2019-11-20 07:50:06,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,836 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2019-11-20 07:50:06,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((!~fp.eq~DOUBLE(\result, \result) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && (\exists v_skolemized_v_prenex_3_3 : bv64, v_skolemized_v_prenex_2_4 : bv64 :: (((v_skolemized_v_prenex_3_3[31:0] == v_skolemized_v_prenex_2_4[31:0] && v_skolemized_v_prenex_2_4[63:32] == hx) && v_skolemized_v_prenex_3_3[63:32] == hx) && v_skolemized_v_prenex_2_4[31:0] == lx) && ~fp.lt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant [2019-11-20 07:50:06,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_log10 && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && aux-x < 0 && isfinite_double(x)-aux - InvariantResult [Line: 123]: Loop Invariant [2019-11-20 07:50:06,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 07:50:06,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_log10 && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32))) && ~fp.lt~DOUBLE(x, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 0bv32)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 31.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, HoareTripleCheckerStatistics: 162 SDtfs, 108 SDslu, 118 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 140 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 85 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 35 QuantifiedInterpolants, 16428 SizeOfPredicates, 21 NumberOfNonLiveVariables, 319 ConjunctsInSsa, 31 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...