./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 16ab6efcf7b0c54aabe43554a033bf1907c93094 .......................................................................................................................................................................................................................................................................................... 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_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 16ab6efcf7b0c54aabe43554a033bf1907c93094 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:59:32,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:32,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:32,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:32,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:32,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:32,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:32,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:32,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:32,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:32,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:32,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:32,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:32,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:32,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:32,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:32,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:32,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:32,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:32,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:32,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:32,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:32,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:32,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:32,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:32,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:32,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:32,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:32,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:32,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:32,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:32,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:32,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:32,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:32,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:32,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:32,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:32,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:32,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:32,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:32,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:32,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:59:32,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:32,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:32,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:59:32,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:59:32,992 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:59:32,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:32,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:32,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:32,994 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:32,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:32,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:32,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:32,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:32,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:59:32,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:32,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:32,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:32,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:32,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:32,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:32,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:59:32,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:59:32,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:32,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:32,997 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_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 -> 16ab6efcf7b0c54aabe43554a033bf1907c93094 [2019-12-07 12:59:33,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:33,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:33,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:33,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:33,121 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:33,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:33,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/b28e4c71c/661024ec75a84dbfb52956442229a07b/FLAG6b6e6efbf [2019-12-07 12:59:33,564 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:33,565 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:33,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/b28e4c71c/661024ec75a84dbfb52956442229a07b/FLAG6b6e6efbf [2019-12-07 12:59:33,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/b28e4c71c/661024ec75a84dbfb52956442229a07b [2019-12-07 12:59:33,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:33,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:33,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:33,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:33,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:33,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f146fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33, skipping insertion in model container [2019-12-07 12:59:33,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:33,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:33,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:33,727 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:59:33,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:33,779 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:59:33,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33 WrapperNode [2019-12-07 12:59:33,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:33,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:33,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:59:33,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:59:33,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:33,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:59:33,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:59:33,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:59:33,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... [2019-12-07 12:59:33,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:59:33,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:59:33,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:59:33,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:59:33,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 12:59:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:59:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:59:33,944 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:59:33,944 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 12:59:33,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:33 BoogieIcfgContainer [2019-12-07 12:59:33,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:59:33,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:59:33,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:59:33,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:59:33,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:33" (1/3) ... [2019-12-07 12:59:33,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df09b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:33, skipping insertion in model container [2019-12-07 12:59:33,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:33" (2/3) ... [2019-12-07 12:59:33,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df09b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:33, skipping insertion in model container [2019-12-07 12:59:33,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:33" (3/3) ... [2019-12-07 12:59:33,950 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:33,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:59:33,961 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:59:33,968 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:59:33,982 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:59:33,982 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:59:33,982 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:59:33,983 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:59:33,983 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:59:33,983 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:59:33,983 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:59:33,983 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:59:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-12-07 12:59:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:59:33,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:33,997 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:33,997 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:34,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:34,001 INFO L82 PathProgramCache]: Analyzing trace with hash 570602568, now seen corresponding path program 1 times [2019-12-07 12:59:34,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:59:34,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614634541] [2019-12-07 12:59:34,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:59:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:34,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:34,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614634541] [2019-12-07 12:59:34,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:34,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:59:34,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34943031] [2019-12-07 12:59:34,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:59:34,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:59:34,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:59:34,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:59:34,128 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2019-12-07 12:59:34,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:34,162 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-12-07 12:59:34,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:59:34,164 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-07 12:59:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:34,170 INFO L225 Difference]: With dead ends: 27 [2019-12-07 12:59:34,170 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 12:59:34,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:59:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 12:59:34,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 12:59:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 12:59:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-12-07 12:59:34,193 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2019-12-07 12:59:34,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:34,193 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-12-07 12:59:34,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:59:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-12-07 12:59:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:59:34,194 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:34,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:34,194 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:34,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:34,195 INFO L82 PathProgramCache]: Analyzing trace with hash 587613229, now seen corresponding path program 1 times [2019-12-07 12:59:34,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:59:34,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653788324] [2019-12-07 12:59:34,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:59:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:59:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:59:34,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:59:34,224 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:59:34,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:59:34 BoogieIcfgContainer [2019-12-07 12:59:34,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:59:34,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:59:34,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:59:34,241 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:59:34,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:33" (3/4) ... [2019-12-07 12:59:34,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:59:34,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:59:34,245 INFO L168 Benchmark]: Toolchain (without parser) took 658.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -99.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:34,246 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:34,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:34,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:34,247 INFO L168 Benchmark]: Boogie Preprocessor took 11.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:34,248 INFO L168 Benchmark]: RCFGBuilder took 133.01 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:34,248 INFO L168 Benchmark]: TraceAbstraction took 294.89 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:59:34,248 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:59:34,251 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.92 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 11.48 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 133.01 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 294.89 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 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: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryArithmeticDOUBLEoperation at line 64. Possible FailurePath: [L1] int __return_main; [L7] int __return_76; VAL [__return_76=0, __return_main=0] [L10] double main__x; [L11] double main__y; [L12] main__x = __VERIFIER_nondet_double() [L13] int main____CPAchecker_TMP_0; VAL [__return_76=0, __return_main=0] [L14] COND TRUE main__x >= 0.0 VAL [__return_76=0, __return_main=0] [L16] COND TRUE main__x <= 10.0 [L18] main____CPAchecker_TMP_0 = 1 VAL [__return_76=0, __return_main=0] [L19] COND TRUE main____CPAchecker_TMP_0 != 0 [L21] main__y = (main__x * main__x) - main__x VAL [__return_76=0, __return_main=0] [L22] COND FALSE !(main__y >= 0) [L64] main__y = (main__x * main__x) + 2.0 VAL [__return_76=0, __return_main=0] [L26] int main____CPAchecker_TMP_1; VAL [__return_76=0, __return_main=0] [L27] COND FALSE !(main__y >= 0.0) VAL [__return_76=0, __return_main=0] [L53] main____CPAchecker_TMP_1 = 0 VAL [__return_76=0, __return_main=0] [L34] int __tmp_1; [L35] __tmp_1 = main____CPAchecker_TMP_1 [L36] int __VERIFIER_assert__cond; [L37] __VERIFIER_assert__cond = __tmp_1 VAL [__return_76=0, __return_main=0] [L38] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_76=0, __return_main=0] [L40] __VERIFIER_error() VAL [__return_76=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 7 SDslu, 35 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:59:35,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:59:35,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:59:35,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:59:35,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:59:35,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:59:35,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:59:35,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:59:35,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:59:35,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:59:35,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:59:35,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:59:35,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:59:35,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:59:35,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:59:35,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:59:35,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:59:35,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:59:35,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:59:35,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:59:35,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:59:35,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:59:35,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:59:35,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:59:35,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:59:35,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:59:35,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:59:35,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:59:35,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:59:35,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:59:35,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:59:35,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:59:35,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:59:35,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:59:35,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:59:35,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:59:35,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:59:35,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:59:35,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:59:35,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:59:35,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:59:35,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:59:35,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:59:35,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:59:35,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:59:35,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:59:35,660 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:59:35,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:59:35,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:59:35,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:59:35,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:59:35,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:59:35,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:59:35,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:59:35,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:59:35,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:59:35,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:59:35,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:59:35,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:59:35,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:59:35,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:59:35,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:59:35,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:59:35,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:59:35,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:59:35,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:59:35,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:59:35,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:59:35,665 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_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 -> 16ab6efcf7b0c54aabe43554a033bf1907c93094 [2019-12-07 12:59:35,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:59:35,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:59:35,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:59:35,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:59:35,847 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:59:35,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:35,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/f28a0f309/e4d7aee11812432bb5ac794346e08eac/FLAGa828f322e [2019-12-07 12:59:36,330 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:59:36,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/sv-benchmarks/c/float-benchs/zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:36,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/f28a0f309/e4d7aee11812432bb5ac794346e08eac/FLAGa828f322e [2019-12-07 12:59:36,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/data/f28a0f309/e4d7aee11812432bb5ac794346e08eac [2019-12-07 12:59:36,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:59:36,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:59:36,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:36,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:59:36,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:59:36,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5668f315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36, skipping insertion in model container [2019-12-07 12:59:36,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:59:36,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:59:36,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:36,490 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:59:36,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:59:36,515 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:59:36,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36 WrapperNode [2019-12-07 12:59:36,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:59:36,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:36,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:59:36,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:59:36,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:59:36,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:59:36,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:59:36,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:59:36,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... [2019-12-07 12:59:36,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:59:36,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:59:36,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:59:36,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:59:36,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 12:59:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:59:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:59:39,870 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:59:39,870 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 12:59:39,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:39 BoogieIcfgContainer [2019-12-07 12:59:39,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:59:39,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:59:39,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:59:39,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:59:39,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:59:36" (1/3) ... [2019-12-07 12:59:39,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a88a6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:39, skipping insertion in model container [2019-12-07 12:59:39,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:36" (2/3) ... [2019-12-07 12:59:39,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a88a6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:59:39, skipping insertion in model container [2019-12-07 12:59:39,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:39" (3/3) ... [2019-12-07 12:59:39,876 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c.v+cfa-reducer.c [2019-12-07 12:59:39,882 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:59:39,887 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:59:39,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:59:39,909 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:59:39,909 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:59:39,909 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:59:39,909 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:59:39,910 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:59:39,910 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:59:39,910 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:59:39,910 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:59:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-12-07 12:59:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:59:39,923 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:39,923 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:39,923 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:39,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:39,927 INFO L82 PathProgramCache]: Analyzing trace with hash 570602568, now seen corresponding path program 1 times [2019-12-07 12:59:39,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:59:39,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574196159] [2019-12-07 12:59:39,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 12:59:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:40,258 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:59:40,261 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:40,300 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:59:40,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:59:40,319 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574196159] [2019-12-07 12:59:40,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:59:40,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 12:59:40,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463822329] [2019-12-07 12:59:40,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:59:40,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:59:40,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:59:40,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:59:40,336 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2019-12-07 12:59:40,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:59:40,404 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2019-12-07 12:59:40,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:59:40,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-12-07 12:59:40,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:59:40,412 INFO L225 Difference]: With dead ends: 30 [2019-12-07 12:59:40,412 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 12:59:40,414 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:59:40,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 12:59:40,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 12:59:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 12:59:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-12-07 12:59:40,436 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2019-12-07 12:59:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:59:40,437 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-12-07 12:59:40,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:59:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-12-07 12:59:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 12:59:40,437 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:59:40,437 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:59:40,638 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:59:40,638 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:59:40,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:59:40,639 INFO L82 PathProgramCache]: Analyzing trace with hash 587613229, now seen corresponding path program 1 times [2019-12-07 12:59:40,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:59:40,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551422325] [2019-12-07 12:59:40,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 12:59:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:59:40,998 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:59:40,999 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:59:43,085 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) c_ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))) is different from false [2019-12-07 12:59:50,988 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from false [2019-12-07 12:59:53,015 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))))) is different from true [2019-12-07 13:00:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:05,242 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:00:14,926 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 8 [2019-12-07 13:00:17,364 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53))) is different from true [2019-12-07 13:00:19,396 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (not (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from false [2019-12-07 13:00:21,438 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (not (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) is different from true [2019-12-07 13:00:21,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:00:21,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551422325] [2019-12-07 13:00:21,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:00:21,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-12-07 13:00:21,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532976118] [2019-12-07 13:00:21,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:00:21,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:00:21,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:00:21,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=28, Unknown=8, NotChecked=52, Total=110 [2019-12-07 13:00:21,444 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 11 states. [2019-12-07 13:00:24,019 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (not (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:00:50,692 WARN L192 SmtUtils]: Spent 16.08 s on a formula simplification that was a NOOP. DAG size: 17 [2019-12-07 13:00:53,752 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.geq (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode 2.0)) (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:01:08,653 WARN L192 SmtUtils]: Spent 7.80 s on a formula simplification that was a NOOP. DAG size: 17 [2019-12-07 13:01:11,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:01:11,648 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-12-07 13:01:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:01:11,649 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 13:01:11,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:01:11,650 INFO L225 Difference]: With dead ends: 26 [2019-12-07 13:01:11,650 INFO L226 Difference]: Without dead ends: 21 [2019-12-07 13:01:11,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 69.8s TimeCoverageRelationStatistics Valid=33, Invalid=50, Unknown=13, NotChecked=114, Total=210 [2019-12-07 13:01:11,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-07 13:01:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2019-12-07 13:01:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 13:01:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-12-07 13:01:11,655 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2019-12-07 13:01:11,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:01:11,655 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-12-07 13:01:11,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:01:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-12-07 13:01:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 13:01:11,656 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:01:11,656 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:01:11,857 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:01:11,857 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:01:11,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:01:11,858 INFO L82 PathProgramCache]: Analyzing trace with hash -125142316, now seen corresponding path program 1 times [2019-12-07 13:01:11,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:01:11,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366967183] [2019-12-07 13:01:11,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 13:01:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:01:12,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 13:01:12,274 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:01:14,491 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) c_ULTIMATE.start_main_~main__y~0))) is different from false [2019-12-07 13:01:16,677 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) c_ULTIMATE.start_main_~main__y~0))) is different from true [2019-12-07 13:01:23,340 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) is different from false [2019-12-07 13:01:25,521 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (not (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))))) is different from true [2019-12-07 13:01:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:01:38,865 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:01:48,073 WARN L192 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 8 [2019-12-07 13:01:54,704 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from false [2019-12-07 13:01:56,931 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (or (not (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53))) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) is different from true [2019-12-07 13:02:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:02:01,385 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366967183] [2019-12-07 13:02:01,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:02:01,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-12-07 13:02:01,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466427353] [2019-12-07 13:02:01,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:02:01,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:02:01,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:02:01,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=10, Unknown=9, NotChecked=24, Total=56 [2019-12-07 13:02:01,387 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 8 states. [2019-12-07 13:02:14,096 WARN L192 SmtUtils]: Spent 6.69 s on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 13:02:24,380 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53))) (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) c_ULTIMATE.start_main_~main__y~0)))) is different from false [2019-12-07 13:02:28,121 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) c_ULTIMATE.start_main_~main__y~0)))) is different from false [2019-12-07 13:02:35,610 WARN L192 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 12 [2019-12-07 13:02:35,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:02:35,621 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-12-07 13:02:35,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:02:35,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-12-07 13:02:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:02:35,622 INFO L225 Difference]: With dead ends: 27 [2019-12-07 13:02:35,622 INFO L226 Difference]: Without dead ends: 22 [2019-12-07 13:02:35,623 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=27, Invalid=22, Unknown=13, NotChecked=70, Total=132 [2019-12-07 13:02:35,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-07 13:02:35,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 14. [2019-12-07 13:02:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 13:02:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-12-07 13:02:35,625 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2019-12-07 13:02:35,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:02:35,625 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-12-07 13:02:35,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:02:35,625 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-12-07 13:02:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:02:35,626 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:02:35,626 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:02:35,827 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:02:35,828 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:02:35,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:02:35,828 INFO L82 PathProgramCache]: Analyzing trace with hash 519293970, now seen corresponding path program 1 times [2019-12-07 13:02:35,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:02:35,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526818653] [2019-12-07 13:02:35,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 13:02:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:02:36,219 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:02:36,220 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:02:46,144 WARN L192 SmtUtils]: Spent 7.80 s on a formula simplification that was a NOOP. DAG size: 14 [2019-12-07 13:02:48,205 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:02:50,267 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:02:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:02:55,801 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:03:21,611 WARN L192 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 17 [2019-12-07 13:03:51,391 WARN L192 SmtUtils]: Spent 13.02 s on a formula simplification that was a NOOP. DAG size: 17 [2019-12-07 13:03:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:03:54,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526818653] [2019-12-07 13:03:54,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:03:54,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2019-12-07 13:03:54,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694800955] [2019-12-07 13:03:54,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 13:03:54,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:03:54,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 13:03:54,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=57, Unknown=11, NotChecked=34, Total=132 [2019-12-07 13:03:54,545 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 12 states. [2019-12-07 13:04:16,448 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 c_ULTIMATE.start_main_~main__x~0))) (and (let ((.cse0 (fp.add c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode 2.0)))) (or (not (fp.geq .cse0 (_ +zero 11 53))) (fp.geq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) (= c_ULTIMATE.start_main_~main__y~0 (fp.sub c_currentRoundingMode .cse1 c_ULTIMATE.start_main_~main__x~0)) (fp.geq c_ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2019-12-07 13:04:18,507 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (= c_currentRoundingMode roundNearestTiesToEven) (or (not (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)))) is different from false [2019-12-07 13:04:20,566 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) c_ULTIMATE.start_main_~main__y~0) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0))) is different from false [2019-12-07 13:04:23,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:04:23,247 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-12-07 13:04:23,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 13:04:23,296 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-07 13:04:23,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:04:23,297 INFO L225 Difference]: With dead ends: 22 [2019-12-07 13:04:23,297 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 13:04:23,298 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 82.1s TimeCoverageRelationStatistics Valid=36, Invalid=60, Unknown=14, NotChecked=100, Total=210 [2019-12-07 13:04:23,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 13:04:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 13:04:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 13:04:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2019-12-07 13:04:23,300 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2019-12-07 13:04:23,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:04:23,301 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2019-12-07 13:04:23,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 13:04:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2019-12-07 13:04:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 13:04:23,302 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:04:23,302 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:04:23,502 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:04:23,503 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:04:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash -101291445, now seen corresponding path program 1 times [2019-12-07 13:04:23,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:04:23,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405901996] [2019-12-07 13:04:23,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/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 [2019-12-07 13:04:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:04:23,966 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:04:23,967 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:04:43,628 WARN L192 SmtUtils]: Spent 11.26 s on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 13:04:45,858 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~main__y~0 (_ +zero 11 53)) (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (= (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0) c_ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:04:52,523 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse1 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse0))) (and (fp.leq ULTIMATE.start_main_~main__x~0 .cse0) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.geq .cse1 (_ +zero 11 53)))))) is different from false [2019-12-07 13:04:54,720 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (let ((.cse1 (fp.div roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 .cse0))) (and (fp.leq ULTIMATE.start_main_~main__x~0 .cse0) (not (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.geq .cse1 (_ +zero 11 53)))))) is different from true [2019-12-07 13:05:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:08,051 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:05:14,760 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse0 (_ +zero 11 53))))) is different from false [2019-12-07 13:05:16,985 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)))) (or (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse0 (_ +zero 11 53))))) is different from true [2019-12-07 13:05:19,182 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse1 (_ +zero 11 53))))))) is different from false [2019-12-07 13:05:21,405 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse1 (_ +zero 11 53))))))) is different from true [2019-12-07 13:05:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:21,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405901996] [2019-12-07 13:05:21,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:21,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-12-07 13:05:21,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947875509] [2019-12-07 13:05:21,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 13:05:21,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:05:21,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 13:05:21,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=24, Unknown=12, NotChecked=52, Total=110 [2019-12-07 13:05:21,410 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 11 states. [2019-12-07 13:05:25,809 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse1 (_ +zero 11 53))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 13:05:28,030 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse1 (fp.div c_currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0))) (or (not (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse1 (_ +zero 11 53))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 13:05:30,253 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (and (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~main__x~0 .cse1))) (or (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq .cse0 (_ +zero 11 53))))) (fp.leq c_ULTIMATE.start_main_~main__x~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2019-12-07 13:06:00,498 WARN L192 SmtUtils]: Spent 22.60 s on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 13:06:26,719 WARN L192 SmtUtils]: Spent 14.85 s on a formula simplification that was a NOOP. DAG size: 18 [2019-12-07 13:06:26,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:06:26,720 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2019-12-07 13:06:26,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:06:26,720 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 13 [2019-12-07 13:06:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:06:26,720 INFO L225 Difference]: With dead ends: 14 [2019-12-07 13:06:26,720 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:06:26,721 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 95.7s TimeCoverageRelationStatistics Valid=38, Invalid=40, Unknown=18, NotChecked=114, Total=210 [2019-12-07 13:06:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:06:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:06:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:06:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:06:26,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-12-07 13:06:26,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:06:26,722 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:06:26,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 13:06:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:06:26,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:06:26,922 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:06:26,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:08:18,228 WARN L192 SmtUtils]: Spent 1.85 m on a formula simplification that was a NOOP. DAG size: 48 [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point L29(lines 29 55) no Hoare annotation was computed. [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point L27(lines 27 60) no Hoare annotation was computed. [2019-12-07 13:08:18,231 INFO L242 CegarLoopResult]: At program point L54(lines 29 55) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start_main_~main____CPAchecker_TMP_1~0) [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point L19(lines 19 71) no Hoare annotation was computed. [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-12-07 13:08:18,231 INFO L246 CegarLoopResult]: For program point L38(lines 38 47) no Hoare annotation was computed. [2019-12-07 13:08:18,232 INFO L242 CegarLoopResult]: At program point L65(lines 22 66) the Hoare annotation is: (let ((.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (fp.leq ULTIMATE.start_main_~main__y~0 ((_ to_fp 11 53) currentRoundingMode 105.0))) (.cse3 (let ((.cse5 (forall ((currentRoundingMode RoundingMode)) (fp.geq (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) (_ +zero 11 53)))) (.cse6 (fp.geq ULTIMATE.start_main_~main__y~0 (_ +zero 11 53))) (.cse7 (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)))) (or (and .cse5 .cse6 .cse7 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0)) ULTIMATE.start_main_~main__y~0)))) (and .cse5 .cse6 .cse7 (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (and (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ULTIMATE.start_main_~main__y~0) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))))) (or (and (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 10.0))) (and (= (fp.div currentRoundingMode ULTIMATE.start_main_~main__x~0 .cse0) ULTIMATE.start_main_~main__y~0) (fp.leq ULTIMATE.start_main_~main__x~0 .cse0)))) .cse1 .cse2 .cse3) (and (exists ((ULTIMATE.start_main_~main__x~0 (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul currentRoundingMode ULTIMATE.start_main_~main__x~0 ULTIMATE.start_main_~main__x~0))) (and (= (fp.add currentRoundingMode .cse4 ((_ to_fp 11 53) currentRoundingMode 2.0)) ULTIMATE.start_main_~main__y~0) (not (fp.geq (fp.sub currentRoundingMode .cse4 ULTIMATE.start_main_~main__x~0) ((_ to_fp 11 53) currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~main__x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~main__x~0 ((_ to_fp 11 53) currentRoundingMode 10.0))))) .cse1 .cse2 .cse3))) [2019-12-07 13:08:18,232 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:08:18,232 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:08:18,232 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:08:18,232 INFO L242 CegarLoopResult]: At program point L59(lines 27 60) the Hoare annotation is: false [2019-12-07 13:08:18,232 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2019-12-07 13:08:18,232 INFO L246 CegarLoopResult]: For program point L22(lines 22 66) no Hoare annotation was computed. [2019-12-07 13:08:18,233 INFO L246 CegarLoopResult]: For program point L16(lines 16 76) no Hoare annotation was computed. [2019-12-07 13:08:18,233 INFO L249 CegarLoopResult]: At program point L80(lines 8 82) the Hoare annotation is: true [2019-12-07 13:08:18,233 INFO L246 CegarLoopResult]: For program point L14(lines 14 81) no Hoare annotation was computed. [2019-12-07 13:08:18,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:08:18 BoogieIcfgContainer [2019-12-07 13:08:18,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:08:18,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:08:18,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:08:18,271 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:08:18,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:59:39" (3/4) ... [2019-12-07 13:08:18,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:08:18,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 13:08:18,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 13:08:18,299 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) == main__y && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()) && ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) == main__y)) || ((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))))) || ((((\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y && !~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()) && ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) == main__y)) || ((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))))) [2019-12-07 13:08:18,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e25b7dd6-86d8-493f-9623-7d95d2c03871/bin/uautomizer/witness.graphml [2019-12-07 13:08:18,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:08:18,313 INFO L168 Benchmark]: Toolchain (without parser) took 521964.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 953.7 MB in the beginning and 915.4 MB in the end (delta: 38.3 MB). Peak memory consumption was 166.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,313 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:08:18,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,314 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,314 INFO L168 Benchmark]: RCFGBuilder took 3284.73 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,314 INFO L168 Benchmark]: TraceAbstraction took 518398.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.4 MB in the end (delta: 181.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:08:18,315 INFO L168 Benchmark]: Witness Printer took 40.94 ms. Allocated memory is still 1.2 GB. Free memory is still 915.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:08:18,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.72 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3284.73 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 518398.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.4 MB in the end (delta: 181.6 MB). Peak memory consumption was 181.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.94 ms. Allocated memory is still 1.2 GB. Free memory is still 915.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - 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_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 1bv32 == main____CPAchecker_TMP_1 - InvariantResult [Line: 22]: Loop Invariant [2019-12-07 13:08:18,321 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~main__x~0,QUANTIFIED] [2019-12-07 13:08:18,335 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:08:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:08:18,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0)) == main__y && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()) && ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) == main__y)) || ((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))))) || ((((\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: ((~fp.add~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 2.0)) == main__y && !~fp.geq~DOUBLE(~fp.sub~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.mul~DOUBLE(unknown-currentRoundingMode-unknown, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 0bv32))) && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10.0))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.leq~DOUBLE(main__y, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 105.0))) && (((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE, currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE()) && ~fp.div~DOUBLE(currentRoundingMode, ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)) == main__y)) || ((((forall currentRoundingMode : FloatRoundingMode :: ~fp.geq~DOUBLE(~fp.div~DOUBLE(currentRoundingMode, main__x, ~to_fp~LONGDOUBLE(currentRoundingMode, 10.0)), ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__y, ~Pluszero~LONGDOUBLE())) && ~fp.geq~DOUBLE(main__x, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_main_~main__x~0 : C_DOUBLE :: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ULTIMATE.start_main_~main__x~0, ULTIMATE.start_main_~main__x~0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 2.0)) == main__y && ~fp.geq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~Pluszero~LONGDOUBLE())) && ~fp.leq~DOUBLE(ULTIMATE.start_main_~main__x~0, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 10.0)))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Result: SAFE, OverallTime: 407.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 178.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 111.3s, HoareTripleCheckerStatistics: 51 SDtfs, 49 SDslu, 169 SDs, 0 SdLazy, 61 SolverSat, 4 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 40.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 22 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 296.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 206 HoareAnnotationTreeSize, 4 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 111.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 225.5s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 32 QuantifiedInterpolants, 12265 SizeOfPredicates, 19 NumberOfNonLiveVariables, 103 ConjunctsInSsa, 25 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...