./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa58f0fdfca28e76916393990951e8e698cd3943 ............................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa58f0fdfca28e76916393990951e8e698cd3943 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:14:55,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:14:55,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:14:55,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:14:55,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:14:55,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:14:56,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:14:56,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:14:56,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:14:56,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:14:56,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:14:56,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:14:56,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:14:56,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:14:56,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:14:56,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:14:56,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:14:56,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:14:56,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:14:56,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:14:56,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:14:56,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:14:56,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:14:56,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:14:56,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:14:56,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:14:56,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:14:56,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:14:56,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:14:56,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:14:56,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:14:56,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:14:56,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:14:56,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:14:56,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:14:56,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:14:56,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:14:56,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:14:56,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:14:56,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:14:56,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:14:56,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:14:56,115 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:14:56,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:14:56,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:14:56,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:14:56,120 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:14:56,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:14:56,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:14:56,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:14:56,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:14:56,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:14:56,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:14:56,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:14:56,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:14:56,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:14:56,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:14:56,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:14:56,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:14:56,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:14:56,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:14:56,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:14:56,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:14:56,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:14:56,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:14:56,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:14:56,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:14:56,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:14:56,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:14:56,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:14:56,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:14:56,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa58f0fdfca28e76916393990951e8e698cd3943 [2020-11-30 01:14:56,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:14:56,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:14:56,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:14:56,566 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:14:56,567 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:14:56,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-11-30 01:14:56,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4d074f911/ff47975fb0de469c9cfb1ea147b12798/FLAG54ffd6720 [2020-11-30 01:14:57,291 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:14:57,292 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-11-30 01:14:57,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4d074f911/ff47975fb0de469c9cfb1ea147b12798/FLAG54ffd6720 [2020-11-30 01:14:57,601 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4d074f911/ff47975fb0de469c9cfb1ea147b12798 [2020-11-30 01:14:57,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:14:57,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:14:57,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:14:57,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:14:57,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:14:57,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:14:57" (1/1) ... [2020-11-30 01:14:57,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8e5d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:57, skipping insertion in model container [2020-11-30 01:14:57,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:14:57" (1/1) ... [2020-11-30 01:14:57,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:14:57,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:14:58,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:14:58,040 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:14:58,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:14:58,119 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:14:58,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58 WrapperNode [2020-11-30 01:14:58,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:14:58,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:14:58,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:14:58,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:14:58,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:14:58,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:14:58,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:14:58,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:14:58,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... [2020-11-30 01:14:58,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:14:58,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:14:58,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:14:58,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:14:58,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:14:58,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:14:58,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:14:58,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:14:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:14:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:14:58,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:14:58,951 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:14:58,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:58 BoogieIcfgContainer [2020-11-30 01:14:58,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:14:58,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:14:58,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:14:58,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:14:58,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:14:57" (1/3) ... [2020-11-30 01:14:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198084a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:14:58, skipping insertion in model container [2020-11-30 01:14:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:14:58" (2/3) ... [2020-11-30 01:14:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198084a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:14:58, skipping insertion in model container [2020-11-30 01:14:58,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:58" (3/3) ... [2020-11-30 01:14:58,966 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c [2020-11-30 01:14:58,980 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:14:58,989 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:14:59,004 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:14:59,034 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:14:59,034 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:14:59,035 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:14:59,035 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:14:59,035 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:14:59,035 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:14:59,035 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:14:59,035 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:14:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-30 01:14:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:14:59,061 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:59,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:59,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:59,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:59,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times [2020-11-30 01:14:59,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:59,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81345751] [2020-11-30 01:14:59,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:14:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:14:59,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81345751] [2020-11-30 01:14:59,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:14:59,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:14:59,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762481043] [2020-11-30 01:14:59,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:14:59,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:14:59,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:14:59,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:14:59,311 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-30 01:14:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:14:59,335 INFO L93 Difference]: Finished difference Result 65 states and 105 transitions. [2020-11-30 01:14:59,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:14:59,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 01:14:59,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:14:59,349 INFO L225 Difference]: With dead ends: 65 [2020-11-30 01:14:59,349 INFO L226 Difference]: Without dead ends: 30 [2020-11-30 01:14:59,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:14:59,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-30 01:14:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-30 01:14:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-30 01:14:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2020-11-30 01:14:59,411 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10 [2020-11-30 01:14:59,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:14:59,413 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-11-30 01:14:59,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:14:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-11-30 01:14:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:14:59,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:14:59,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:14:59,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:14:59,416 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:14:59,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:14:59,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times [2020-11-30 01:14:59,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:14:59,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587764440] [2020-11-30 01:14:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:14:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:14:59,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:14:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:14:59,629 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:14:59,686 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:14:59,686 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:14:59,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:14:59,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:14:59 BoogieIcfgContainer [2020-11-30 01:14:59,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:14:59,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:14:59,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:14:59,760 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:14:59,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:14:58" (3/4) ... [2020-11-30 01:14:59,765 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:14:59,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:14:59,768 INFO L168 Benchmark]: Toolchain (without parser) took 2156.86 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 60.5 MB in the beginning and 59.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:59,769 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:59,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.95 ms. Allocated memory is still 92.3 MB. Free memory was 60.5 MB in the beginning and 65.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:59,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 63.4 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:59,772 INFO L168 Benchmark]: Boogie Preprocessor took 56.44 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:59,773 INFO L168 Benchmark]: RCFGBuilder took 712.30 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.6 MB in the beginning and 83.1 MB in the end (delta: -21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:59,774 INFO L168 Benchmark]: TraceAbstraction took 802.20 ms. Allocated memory is still 111.1 MB. Free memory was 82.6 MB in the beginning and 59.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:14:59,774 INFO L168 Benchmark]: Witness Printer took 6.43 ms. Allocated memory is still 111.1 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:14:59,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 505.95 ms. Allocated memory is still 92.3 MB. Free memory was 60.5 MB in the beginning and 65.3 MB in the end (delta: -4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.09 ms. Allocated memory is still 92.3 MB. Free memory was 65.3 MB in the beginning and 63.4 MB in the end (delta: 1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.44 ms. Allocated memory is still 92.3 MB. Free memory was 63.4 MB in the beginning and 61.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 712.30 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 61.6 MB in the beginning and 83.1 MB in the end (delta: -21.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 802.20 ms. Allocated memory is still 111.1 MB. Free memory was 82.6 MB in the beginning and 59.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.43 ms. Allocated memory is still 111.1 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = 1.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L148] double res = __ieee754_log(x); [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L151] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0930.c", 3, "reach_error") VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, ACCELERATED_INTERPOLATION: 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 0.2.0-a4ecdab [2020-11-30 01:15:03,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:15:03,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:15:03,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:15:03,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:15:03,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:15:03,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:15:03,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:15:03,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:15:03,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:15:03,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:15:03,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:15:03,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:15:03,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:15:03,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:15:03,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:15:03,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:15:03,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:15:03,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:15:03,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:15:03,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:15:03,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:15:03,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:15:03,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:15:03,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:15:03,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:15:03,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:15:03,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:15:03,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:15:03,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:15:03,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:15:03,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:15:03,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:15:03,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:15:03,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:15:03,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:15:03,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:15:03,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:15:03,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:15:03,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:15:03,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:15:03,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:15:03,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:15:03,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:15:03,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:15:03,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:15:03,343 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:15:03,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:15:03,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:15:03,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:15:03,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:15:03,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:15:03,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:15:03,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:15:03,347 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:15:03,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:15:03,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:15:03,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:15:03,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:15:03,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:15:03,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:15:03,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:15:03,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:15:03,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:15:03,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:15:03,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:15:03,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:15:03,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:15:03,353 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:15:03,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:15:03,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:15:03,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:15:03,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:15:03,355 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa58f0fdfca28e76916393990951e8e698cd3943 [2020-11-30 01:15:03,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:15:03,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:15:03,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:15:03,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:15:03,937 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:15:03,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-11-30 01:15:04,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4b66bcbc3/896c6a6e7f0c4b7bac8c689f56a6d610/FLAG581eedfbc [2020-11-30 01:15:04,771 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:15:04,772 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/sv-benchmarks/c/float-newlib/double_req_bl_0930.c [2020-11-30 01:15:04,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4b66bcbc3/896c6a6e7f0c4b7bac8c689f56a6d610/FLAG581eedfbc [2020-11-30 01:15:05,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/data/4b66bcbc3/896c6a6e7f0c4b7bac8c689f56a6d610 [2020-11-30 01:15:05,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:15:05,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:15:05,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:05,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:15:05,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:15:05,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bed0265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05, skipping insertion in model container [2020-11-30 01:15:05,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:15:05,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:15:05,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:05,633 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:15:05,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:15:05,760 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:15:05,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05 WrapperNode [2020-11-30 01:15:05,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:15:05,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:05,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:15:05,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:15:05,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:15:05,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:15:05,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:15:05,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:15:05,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... [2020-11-30 01:15:05,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:15:05,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:15:05,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:15:05,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:15:05,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:15:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 01:15:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 01:15:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:15:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:15:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:15:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:15:06,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:15:06,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:15:06,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:15:33,604 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:15:33,605 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:15:33,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:33 BoogieIcfgContainer [2020-11-30 01:15:33,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:15:33,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:15:33,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:15:33,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:15:33,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:15:05" (1/3) ... [2020-11-30 01:15:33,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24adc816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:33, skipping insertion in model container [2020-11-30 01:15:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:15:05" (2/3) ... [2020-11-30 01:15:33,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24adc816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:15:33, skipping insertion in model container [2020-11-30 01:15:33,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:33" (3/3) ... [2020-11-30 01:15:33,619 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c [2020-11-30 01:15:33,635 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:15:33,641 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:15:33,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:15:33,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:15:33,711 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:15:33,711 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:15:33,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:15:33,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:15:33,712 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:15:33,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:15:33,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:15:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-11-30 01:15:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:15:33,731 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:33,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:33,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:33,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:33,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times [2020-11-30 01:15:33,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:15:33,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200428783] [2020-11-30 01:15:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:15:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:35,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:15:35,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:35,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:15:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:35,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200428783] [2020-11-30 01:15:35,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:35,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:15:35,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725558720] [2020-11-30 01:15:35,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:15:35,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:15:35,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:15:35,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:15:35,387 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-11-30 01:15:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:35,429 INFO L93 Difference]: Finished difference Result 65 states and 105 transitions. [2020-11-30 01:15:35,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:15:35,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 01:15:35,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:35,446 INFO L225 Difference]: With dead ends: 65 [2020-11-30 01:15:35,447 INFO L226 Difference]: Without dead ends: 30 [2020-11-30 01:15:35,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:15:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-11-30 01:15:35,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-11-30 01:15:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-30 01:15:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2020-11-30 01:15:35,507 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10 [2020-11-30 01:15:35,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:35,508 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions. [2020-11-30 01:15:35,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:15:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2020-11-30 01:15:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:15:35,509 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:35,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:35,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:15:35,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:35,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:35,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times [2020-11-30 01:15:35,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:15:35,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464870802] [2020-11-30 01:15:35,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:15:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:37,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:15:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:37,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:15:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:37,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464870802] [2020-11-30 01:15:37,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:37,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 01:15:37,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281367339] [2020-11-30 01:15:37,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:15:37,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:15:37,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:15:37,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:15:37,526 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand 6 states. [2020-11-30 01:15:41,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:15:41,953 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2020-11-30 01:15:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:15:42,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-30 01:15:42,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:15:42,991 INFO L225 Difference]: With dead ends: 50 [2020-11-30 01:15:42,991 INFO L226 Difference]: Without dead ends: 26 [2020-11-30 01:15:42,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:15:42,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-11-30 01:15:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-11-30 01:15:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-11-30 01:15:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2020-11-30 01:15:43,000 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11 [2020-11-30 01:15:43,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:15:43,001 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2020-11-30 01:15:43,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:15:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-11-30 01:15:43,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:15:43,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:15:43,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:15:43,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:15:43,216 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:15:43,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:15:43,217 INFO L82 PathProgramCache]: Analyzing trace with hash 464469069, now seen corresponding path program 1 times [2020-11-30 01:15:43,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:15:43,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222464865] [2020-11-30 01:15:43,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:15:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:15:43,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 01:15:43,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:15:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:43,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:15:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:15:43,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222464865] [2020-11-30 01:15:43,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:15:43,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 01:15:43,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144723818] [2020-11-30 01:15:43,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:15:43,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:15:43,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:15:43,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:15:43,659 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 7 states. [2020-11-30 01:16:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:16:01,204 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2020-11-30 01:16:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:16:01,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2020-11-30 01:16:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:16:01,207 INFO L225 Difference]: With dead ends: 47 [2020-11-30 01:16:01,207 INFO L226 Difference]: Without dead ends: 44 [2020-11-30 01:16:01,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:16:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-11-30 01:16:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28. [2020-11-30 01:16:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 01:16:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-11-30 01:16:01,219 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 17 [2020-11-30 01:16:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:16:01,219 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-11-30 01:16:01,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:16:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-11-30 01:16:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:16:01,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:16:01,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:16:01,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:16:01,425 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:16:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 466316111, now seen corresponding path program 1 times [2020-11-30 01:16:01,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:16:01,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542679595] [2020-11-30 01:16:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:16:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:02,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 01:16:02,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:02,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:16:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:03,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542679595] [2020-11-30 01:16:03,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:16:03,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-30 01:16:03,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162353711] [2020-11-30 01:16:03,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-30 01:16:03,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:16:03,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-30 01:16:03,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-11-30 01:16:03,388 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 12 states. [2020-11-30 01:16:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:16:41,374 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2020-11-30 01:16:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:16:41,462 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 17 [2020-11-30 01:16:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:16:41,464 INFO L225 Difference]: With dead ends: 55 [2020-11-30 01:16:41,464 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 01:16:41,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-11-30 01:16:41,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 01:16:41,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 28. [2020-11-30 01:16:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-30 01:16:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2020-11-30 01:16:41,476 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 17 [2020-11-30 01:16:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:16:41,477 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2020-11-30 01:16:41,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-30 01:16:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-11-30 01:16:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:16:41,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:16:41,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:16:41,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:16:41,696 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:16:41,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:16:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash 671337773, now seen corresponding path program 1 times [2020-11-30 01:16:41,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:16:41,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803780261] [2020-11-30 01:16:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/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 [2020-11-30 01:16:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:16:43,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 01:16:43,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:16:44,187 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 126 [2020-11-30 01:16:44,204 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:16:44,214 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:16:44,215 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:16:44,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:16:44,277 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 01:16:44,278 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:165, output treesize:93 [2020-11-30 01:16:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:16:44,366 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:16:46,138 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-11-30 01:16:46,155 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2020-11-30 01:16:46,175 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 01:16:46,792 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-30 01:16:46,793 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:16:46,794 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 01:16:47,969 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 26 [2020-11-30 01:16:47,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:16:47,971 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 01:16:47,971 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:88, output treesize:46 [2020-11-30 01:16:58,059 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-30 01:17:20,781 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-30 01:17:33,459 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-11-30 01:17:44,261 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-30 01:17:44,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:44,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803780261] [2020-11-30 01:17:44,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:17:44,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 12 [2020-11-30 01:17:44,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012560409] [2020-11-30 01:17:44,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-30 01:17:44,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:17:44,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-30 01:17:44,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=100, Unknown=13, NotChecked=0, Total=156 [2020-11-30 01:17:44,271 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 13 states. [2020-11-30 01:17:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:17:50,265 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2020-11-30 01:17:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:17:50,278 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 17 [2020-11-30 01:17:50,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:17:50,279 INFO L225 Difference]: With dead ends: 35 [2020-11-30 01:17:50,279 INFO L226 Difference]: Without dead ends: 22 [2020-11-30 01:17:50,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 58.4s TimeCoverageRelationStatistics Valid=55, Invalid=114, Unknown=13, NotChecked=0, Total=182 [2020-11-30 01:17:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-30 01:17:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-30 01:17:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-30 01:17:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2020-11-30 01:17:50,288 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 17 [2020-11-30 01:17:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:17:50,289 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2020-11-30 01:17:50,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-30 01:17:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-11-30 01:17:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:17:50,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:17:50,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:17:50,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:17:50,517 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:17:50,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:17:50,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1561479138, now seen corresponding path program 1 times [2020-11-30 01:17:50,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:17:50,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502702230] [2020-11-30 01:17:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 01:17:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:17:50,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 01:17:50,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:17:51,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:17:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:51,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:17:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:17:51,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502702230] [2020-11-30 01:17:51,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:17:51,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 13 [2020-11-30 01:17:51,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520906758] [2020-11-30 01:17:51,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 01:17:51,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:17:51,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 01:17:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:17:51,423 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 14 states. [2020-11-30 01:17:51,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:17:51,771 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-30 01:17:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:17:51,772 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-11-30 01:17:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:17:51,773 INFO L225 Difference]: With dead ends: 22 [2020-11-30 01:17:51,773 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:17:51,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-11-30 01:17:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:17:51,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:17:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:17:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:17:51,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-11-30 01:17:51,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:17:51,775 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:17:51,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 01:17:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:17:51,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:17:51,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 01:17:51,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:17:52,424 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-11-30 01:17:52,559 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-11-30 01:17:52,761 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L151-2(lines 151 154) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2020-11-30 01:17:52,764 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L61(lines 61 62) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L86(lines 86 102) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L270 CegarLoopResult]: At program point L78-2(lines 78 83) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 ((_ extract 63 32) v_skolemized_v_prenex_2_4))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= (bvashr .cse0 (_ bv20 32)) (bvadd ULTIMATE.start___ieee754_log_~k~0 (_ bv1023 32))) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2020-11-30 01:17:52,765 INFO L274 CegarLoopResult]: For program point L87(lines 87 94) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L270 CegarLoopResult]: At program point L137(lines 128 138) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_10| (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_10|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_10|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_10|)) (_ +zero 11 53)))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd ULTIMATE.start___ieee754_log_~hx~1 (_ bv614244 32)))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short23| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0)) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x)))) [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L96(lines 96 101) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L63(lines 63 64) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L121(lines 121 124) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L88(lines 88 93) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L113(lines 113 125) no Hoare annotation was computed. [2020-11-30 01:17:52,766 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2020-11-30 01:17:52,767 INFO L270 CegarLoopResult]: At program point L131-2(lines 131 135) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd ULTIMATE.start___ieee754_log_~hx~1 (_ bv614244 32)))) |ULTIMATE.start_main_#t~short23| (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (= ULTIMATE.start___signbit_double_~x (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-11-30 01:17:52,767 INFO L274 CegarLoopResult]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2020-11-30 01:17:52,767 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:17:52,767 INFO L277 CegarLoopResult]: At program point L156(lines 140 157) the Hoare annotation is: true [2020-11-30 01:17:52,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:17:52,767 INFO L274 CegarLoopResult]: For program point L115(lines 115 119) no Hoare annotation was computed. [2020-11-30 01:17:52,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:17:52,768 INFO L270 CegarLoopResult]: At program point L124(lines 47 126) the Hoare annotation is: (and (= ~zero~0 (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_4 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 ((_ extract 63 32) v_skolemized_v_prenex_2_4))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_4) ((_ extract 62 52) v_skolemized_v_prenex_2_4) ((_ extract 51 0) v_skolemized_v_prenex_2_4))) (= (bvashr .cse0 (_ bv20 32)) (bvadd ULTIMATE.start___ieee754_log_~k~0 (_ bv1023 32))) (= ULTIMATE.start___ieee754_log_~i~0 (bvand (_ bv1048576 32) (bvadd (bvand (_ bv1048575 32) .cse0) (_ bv614244 32))))))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (fp.sub roundNearestTiesToEven .cse1 .cse1)) ULTIMATE.start___ieee754_log_~f~0) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_log_#res|) (exists ((v_skolemized_v_prenex_2_5 (_ BitVec 64))) (and (= ULTIMATE.start___ieee754_log_~hx~1 (bvand (_ bv1048575 32) ((_ extract 63 32) v_skolemized_v_prenex_2_5))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_2_5) ((_ extract 62 52) v_skolemized_v_prenex_2_5) ((_ extract 51 0) v_skolemized_v_prenex_2_5)) ULTIMATE.start___ieee754_log_~x))) (= ULTIMATE.start___ieee754_log_~x ((_ to_fp 11 53) currentRoundingMode 1.0))) [2020-11-30 01:17:52,768 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-11-30 01:17:52,768 INFO L270 CegarLoopResult]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2020-11-30 01:17:52,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,803 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,804 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:52,805 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,806 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,807 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,807 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,808 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:52,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,811 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,812 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,813 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,817 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,830 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,830 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,833 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:52,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,843 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,844 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,845 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:52,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:52,848 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,848 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,849 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,850 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,851 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,855 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,856 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:52,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,862 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:52,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:52,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:52,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:17:52 BoogieIcfgContainer [2020-11-30 01:17:52,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:17:52,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:17:52,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:17:52,872 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:17:52,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:15:33" (3/4) ... [2020-11-30 01:17:52,879 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:17:52,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-30 01:17:52,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 01:17:52,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:17:52,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:17:52,936 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-11-30 01:17:52,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-11-30 01:17:52,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) [2020-11-30 01:17:52,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: msw == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) == ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x) [2020-11-30 01:17:53,025 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dd12d23f-d2bf-4ad7-aaf5-fde64cc57a0b/bin/uautomizer/witness.graphml [2020-11-30 01:17:53,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:17:53,027 INFO L168 Benchmark]: Toolchain (without parser) took 167881.64 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.1 MB in the beginning and 45.6 MB in the end (delta: -13.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,028 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:17:53,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.22 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 32.4 MB in the end (delta: -443.0 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 30.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,029 INFO L168 Benchmark]: Boogie Preprocessor took 85.28 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 28.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,030 INFO L168 Benchmark]: RCFGBuilder took 27687.90 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 44.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,030 INFO L168 Benchmark]: TraceAbstraction took 139261.14 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 26.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,031 INFO L168 Benchmark]: Witness Printer took 154.15 ms. Allocated memory is still 67.1 MB. Free memory was 26.2 MB in the beginning and 45.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:17:53,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 54.5 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.22 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 32.4 MB in the end (delta: -443.0 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.00 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 30.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.28 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 28.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27687.90 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 44.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 139261.14 ms. Allocated memory is still 67.1 MB. Free memory was 43.9 MB in the beginning and 26.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Witness Printer took 154.15 ms. Allocated memory is still 67.1 MB. Free memory was 26.2 MB in the beginning and 45.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,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[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - 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: 3]: 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,060 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 47]: Loop Invariant [2020-11-30 01:17:53,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:53,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:53,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,067 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant [2020-11-30 01:17:53,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:53,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:17:53,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_4,QUANTIFIED] [2020-11-30 01:17:53,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,078 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,080 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_v_prenex_2_4 : bv64, currentRoundingMode : FloatRoundingMode :: (~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_4[63:63], v_skolemized_v_prenex_2_4[62:52], v_skolemized_v_prenex_2_4[51:0]) && ~bvashr32(v_skolemized_v_prenex_2_4[63:32], 20bv32) == ~bvadd64(k, 1023bv32)) && i == ~bvand32(1048576bv32, ~bvadd64(~bvand32(1048575bv32, v_skolemized_v_prenex_2_4[63:32]), 614244bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x)) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 52]: Loop Invariant [2020-11-30 01:17:53,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (zero == ~Pluszero~LONGDOUBLE() && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 128]: Loop Invariant [2020-11-30 01:17:53,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_10,QUANTIFIED] [2020-11-30 01:17:53,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:17:53,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_2_5,QUANTIFIED] [2020-11-30 01:17:53,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:17:53,091 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((zero == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_10 : bv64 :: msw == v_skolemized_q#valueAsBitvector_10[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_10[63:63], v_skolemized_q#valueAsBitvector_10[62:52], v_skolemized_q#valueAsBitvector_10[51:0]) == ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) == f) && ~Pluszero~LONGDOUBLE() == res) && i == ~bvand32(1048576bv32, ~bvadd64(hx, 614244bv32))) && \result == 0bv32) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == \result) && x == ~Pluszero~LONGDOUBLE()) && x == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && (\exists v_skolemized_v_prenex_2_5 : bv64 :: hx == ~bvand32(1048575bv32, v_skolemized_v_prenex_2_5[63:32]) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_2_5[63:63], v_skolemized_v_prenex_2_5[62:52], v_skolemized_v_prenex_2_5[51:0]) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 138.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 67.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 227 SDslu, 359 SDs, 0 SdLazy, 146 SolverSat, 34 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 60.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 130 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 60.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 6 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 13 NumberOfFragments, 277 HoareAnnotationTreeSize, 7 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 62.5s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 46 QuantifiedInterpolants, 28410 SizeOfPredicates, 38 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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...