./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:14:39,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:14:39,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:14:39,930 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:14:39,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:14:39,931 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:14:39,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:14:39,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:14:39,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:14:39,934 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:14:39,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:14:39,935 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:14:39,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:14:39,936 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:14:39,937 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:14:39,937 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:14:39,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:14:39,939 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:14:39,940 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:14:39,941 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:14:39,942 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:14:39,943 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:14:39,944 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:14:39,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:14:39,945 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:14:39,945 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:14:39,946 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:14:39,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:14:39,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:14:39,948 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:14:39,948 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:14:39,949 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:14:39,949 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:14:39,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:14:39,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:14:39,950 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:14:39,950 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:14:39,963 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:14:39,963 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:14:39,964 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:14:39,964 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:14:39,964 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:14:39,964 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:14:39,964 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:14:39,965 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:14:39,965 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:14:39,966 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:14:39,966 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:14:39,966 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:14:39,966 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:14:39,966 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:14:39,966 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:14:39,967 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:14:39,967 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:14:39,967 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:14:39,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:39,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:14:39,967 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:14:39,968 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:14:39,968 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:14:39,968 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:14:39,968 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:14:39,968 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-11-28 13:14:39,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:14:40,001 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:14:40,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:14:40,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:14:40,004 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:14:40,004 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:40,043 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/9293ef9e1/74526faf4fad4f0fb240e6c62d67fbcd/FLAGab739f365 [2018-11-28 13:14:40,454 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:14:40,455 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:40,460 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/9293ef9e1/74526faf4fad4f0fb240e6c62d67fbcd/FLAGab739f365 [2018-11-28 13:14:40,470 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/9293ef9e1/74526faf4fad4f0fb240e6c62d67fbcd [2018-11-28 13:14:40,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:14:40,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:14:40,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:40,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:14:40,475 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:14:40,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44070218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40, skipping insertion in model container [2018-11-28 13:14:40,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:14:40,496 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:14:40,624 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:40,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:14:40,658 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:40,713 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:14:40,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40 WrapperNode [2018-11-28 13:14:40,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:40,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:40,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:14:40,714 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:14:40,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:40,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:14:40,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:14:40,734 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:14:40,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... [2018-11-28 13:14:40,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:14:40,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:14:40,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:14:40,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:14:40,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:14:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:14:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:14:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-28 13:14:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:14:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:14:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:14:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 13:14:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:14:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 13:14:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-28 13:14:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-28 13:14:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:14:41,035 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:14:41,035 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 13:14:41,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:41 BoogieIcfgContainer [2018-11-28 13:14:41,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:14:41,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:14:41,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:14:41,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:14:41,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:14:40" (1/3) ... [2018-11-28 13:14:41,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0215e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:41, skipping insertion in model container [2018-11-28 13:14:41,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:40" (2/3) ... [2018-11-28 13:14:41,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0215e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:41, skipping insertion in model container [2018-11-28 13:14:41,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:41" (3/3) ... [2018-11-28 13:14:41,042 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:41,048 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:14:41,053 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:14:41,062 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:14:41,083 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:14:41,083 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:14:41,083 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:14:41,084 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:14:41,084 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:14:41,084 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:14:41,084 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:14:41,084 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:14:41,084 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:14:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-28 13:14:41,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 13:14:41,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:41,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:41,104 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:41,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:41,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1775699146, now seen corresponding path program 1 times [2018-11-28 13:14:41,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:41,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:41,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:41,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:41,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:14:41,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:41,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:14:41,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:14:41,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:14:41,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:14:41,237 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-28 13:14:41,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:41,255 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-11-28 13:14:41,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:14:41,256 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-28 13:14:41,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:41,262 INFO L225 Difference]: With dead ends: 100 [2018-11-28 13:14:41,262 INFO L226 Difference]: Without dead ends: 50 [2018-11-28 13:14:41,264 INFO L631 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 [2018-11-28 13:14:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-28 13:14:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-28 13:14:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 13:14:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-28 13:14:41,292 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-11-28 13:14:41,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:41,292 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-28 13:14:41,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:14:41,293 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-28 13:14:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:14:41,293 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:41,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:41,293 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:41,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:41,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1046652015, now seen corresponding path program 1 times [2018-11-28 13:14:41,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:41,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:41,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:41,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:41,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:14:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:14:41,367 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:14:41,387 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-28 13:14:41,388 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-28 13:14:41,388 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-28 13:14:41,389 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-28 13:14:41,389 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450966 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-28 13:14:41,389 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-28 13:14:41,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:14:41 BoogieIcfgContainer [2018-11-28 13:14:41,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:14:41,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:14:41,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:14:41,400 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:14:41,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:41" (3/4) ... [2018-11-28 13:14:41,403 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 13:14:41,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:14:41,404 INFO L168 Benchmark]: Toolchain (without parser) took 931.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 958.7 MB in the beginning and 1.0 GB in the end (delta: -61.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,405 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:14:41,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,406 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,407 INFO L168 Benchmark]: RCFGBuilder took 271.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,407 INFO L168 Benchmark]: TraceAbstraction took 363.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:41,407 INFO L168 Benchmark]: Witness Printer took 3.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:14:41,410 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 241.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 958.7 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 271.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450963 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450952 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450966 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450965 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450960, \old(huge_floor)=6442450954, \old(one_atan)=6442450945, \old(pi)=6442450955, \old(pi_o_2)=6442450946, \old(pi_o_4)=6442450950, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = -0.0f; VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] CALL, EXPR atan_float(x) VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L63] COND TRUE ix >= 0x50800000 VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] return x + x; VAL [\old(x)=6442450953, aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L138] RET, EXPR atan_float(x) VAL [aT_atan={6442450962:0}, atan_float(x)=6442450958, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450953] [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450958, res == -0.0f && __signbit_float(res) == 1=0, x=6442450953] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={6442450962:0}, atanhi_atan={6442450964:0}, atanlo_atan={6442450947:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450958, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 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=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:14:42,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:14:42,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:14:42,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:14:42,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:14:42,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:14:42,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:14:42,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:14:42,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:14:42,843 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:14:42,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:14:42,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:14:42,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:14:42,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:14:42,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:14:42,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:14:42,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:14:42,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:14:42,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:14:42,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:14:42,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:14:42,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:14:42,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:14:42,854 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:14:42,854 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:14:42,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:14:42,855 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:14:42,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:14:42,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:14:42,857 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:14:42,857 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:14:42,857 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:14:42,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:14:42,858 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:14:42,858 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:14:42,859 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:14:42,859 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 13:14:42,869 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:14:42,869 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:14:42,870 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:14:42,870 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:14:42,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:14:42,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:14:42,871 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:14:42,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:14:42,872 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:14:42,873 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:14:42,873 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:14:42,873 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:14:42,873 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:14:42,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:42,873 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:14:42,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 13:14:42,874 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-11-28 13:14:42,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:14:42,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:14:42,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:14:42,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:14:42,915 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:14:42,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:42,960 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/38a34cc76/9ca8c528ca8d493fa94216edf955319d/FLAG7cfa51ea7 [2018-11-28 13:14:43,358 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:14:43,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:43,364 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/38a34cc76/9ca8c528ca8d493fa94216edf955319d/FLAG7cfa51ea7 [2018-11-28 13:14:43,373 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/data/38a34cc76/9ca8c528ca8d493fa94216edf955319d [2018-11-28 13:14:43,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:14:43,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:14:43,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:43,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:14:43,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:14:43,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df34b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43, skipping insertion in model container [2018-11-28 13:14:43,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:14:43,399 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:14:43,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:43,541 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:14:43,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:43,601 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:14:43,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43 WrapperNode [2018-11-28 13:14:43,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:43,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:43,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:14:43,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:14:43,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:43,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:14:43,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:14:43,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:14:43,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... [2018-11-28 13:14:43,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:14:43,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:14:43,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:14:43,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:14:43,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:14:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-11-28 13:14:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:14:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:14:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-28 13:14:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 13:14:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:14:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:14:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-28 13:14:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-28 13:14:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-28 13:14:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-28 13:14:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-28 13:14:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 13:14:43,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:14:43,913 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:14:43,955 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:14:43,971 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:14:45,814 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 13:14:53,113 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:14:53,114 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 13:14:53,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:53 BoogieIcfgContainer [2018-11-28 13:14:53,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:14:53,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:14:53,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:14:53,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:14:53,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:14:43" (1/3) ... [2018-11-28 13:14:53,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528c65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:53, skipping insertion in model container [2018-11-28 13:14:53,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:43" (2/3) ... [2018-11-28 13:14:53,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1528c65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:53, skipping insertion in model container [2018-11-28 13:14:53,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:53" (3/3) ... [2018-11-28 13:14:53,119 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-11-28 13:14:53,125 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:14:53,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:14:53,139 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:14:53,158 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:14:53,158 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:14:53,158 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:14:53,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:14:53,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:14:53,159 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:14:53,159 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:14:53,159 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:14:53,159 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:14:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-28 13:14:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 13:14:53,174 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:53,174 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:53,176 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:53,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:53,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1775699146, now seen corresponding path program 1 times [2018-11-28 13:14:53,182 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:14:53,182 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:14:53,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:53,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:14:53,329 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:14:53,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:53,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:14:53,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:14:53,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:14:53,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:14:53,350 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-28 13:14:53,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:53,368 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-11-28 13:14:53,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:14:53,369 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-28 13:14:53,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:53,378 INFO L225 Difference]: With dead ends: 100 [2018-11-28 13:14:53,378 INFO L226 Difference]: Without dead ends: 50 [2018-11-28 13:14:53,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:14:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-28 13:14:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-28 13:14:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 13:14:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-28 13:14:53,410 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-11-28 13:14:53,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:53,410 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-28 13:14:53,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:14:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-28 13:14:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:14:53,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:53,411 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:53,411 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:53,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1046652015, now seen corresponding path program 1 times [2018-11-28 13:14:53,412 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:14:53,412 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:14:53,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:53,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:14:53,635 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:14:53,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:53,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:14:53,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:14:53,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:14:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:53,650 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 7 states. [2018-11-28 13:15:03,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:03,712 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-11-28 13:15:03,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:15:03,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 13:15:03,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:03,757 INFO L225 Difference]: With dead ends: 68 [2018-11-28 13:15:03,757 INFO L226 Difference]: Without dead ends: 51 [2018-11-28 13:15:03,758 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:15:03,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-28 13:15:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2018-11-28 13:15:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-28 13:15:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2018-11-28 13:15:03,763 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 19 [2018-11-28 13:15:03,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:03,763 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2018-11-28 13:15:03,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:15:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2018-11-28 13:15:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:15:03,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:03,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:03,764 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:03,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:03,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1727555058, now seen corresponding path program 1 times [2018-11-28 13:15:03,765 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:15:03,765 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:15:03,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:03,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:03,929 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:15:03,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:03,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:15:03,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:15:03,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:15:03,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:03,938 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 7 states. [2018-11-28 13:15:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:14,895 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-28 13:15:14,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:15:14,895 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-28 13:15:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:14,896 INFO L225 Difference]: With dead ends: 56 [2018-11-28 13:15:14,896 INFO L226 Difference]: Without dead ends: 53 [2018-11-28 13:15:14,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:15:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-28 13:15:14,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-11-28 13:15:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-28 13:15:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-11-28 13:15:14,901 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 21 [2018-11-28 13:15:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:14,902 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-11-28 13:15:14,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:15:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-11-28 13:15:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:15:14,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:14,902 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:14,903 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:14,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:14,903 INFO L82 PathProgramCache]: Analyzing trace with hash -225183980, now seen corresponding path program 1 times [2018-11-28 13:15:14,903 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:15:14,903 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:15:14,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:15,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:15,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:15,954 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:15:15,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:15,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:15:15,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:15:15,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:15:15,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:15,977 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 7 states. [2018-11-28 13:15:24,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:24,488 INFO L93 Difference]: Finished difference Result 74 states and 84 transitions. [2018-11-28 13:15:24,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:15:24,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-28 13:15:24,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:24,534 INFO L225 Difference]: With dead ends: 74 [2018-11-28 13:15:24,534 INFO L226 Difference]: Without dead ends: 52 [2018-11-28 13:15:24,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:15:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-28 13:15:24,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-11-28 13:15:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 13:15:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-28 13:15:24,540 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 23 [2018-11-28 13:15:24,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:24,541 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-28 13:15:24,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:15:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-28 13:15:24,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-28 13:15:24,541 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:24,542 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:24,542 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:24,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:24,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1139373451, now seen corresponding path program 1 times [2018-11-28 13:15:24,542 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:15:24,543 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:15:24,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:25,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:26,469 WARN L180 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 13:15:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:26,474 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:15:26,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:26,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:15:26,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:15:26,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:15:26,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:15:26,498 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 6 states. [2018-11-28 13:15:27,747 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 13:15:34,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:34,725 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2018-11-28 13:15:34,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:15:34,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-28 13:15:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:34,730 INFO L225 Difference]: With dead ends: 70 [2018-11-28 13:15:34,730 INFO L226 Difference]: Without dead ends: 50 [2018-11-28 13:15:34,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-28 13:15:34,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-28 13:15:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 13:15:34,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-11-28 13:15:34,738 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 24 [2018-11-28 13:15:34,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:34,738 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-11-28 13:15:34,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:15:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-11-28 13:15:34,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-28 13:15:34,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:34,739 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:34,739 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:34,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:34,740 INFO L82 PathProgramCache]: Analyzing trace with hash -267271278, now seen corresponding path program 1 times [2018-11-28 13:15:34,740 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:15:34,740 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/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 [2018-11-28 13:15:34,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:34,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:35,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:15:35,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:35,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 13:15:35,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:15:35,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:15:35,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:15:35,023 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 12 states. [2018-11-28 13:15:41,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:41,829 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-11-28 13:15:41,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 13:15:41,830 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-11-28 13:15:41,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:41,830 INFO L225 Difference]: With dead ends: 55 [2018-11-28 13:15:41,830 INFO L226 Difference]: Without dead ends: 44 [2018-11-28 13:15:41,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:15:41,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-28 13:15:41,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-28 13:15:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 13:15:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-11-28 13:15:41,837 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 29 [2018-11-28 13:15:41,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:41,838 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-11-28 13:15:41,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:15:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-28 13:15:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 13:15:41,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:15:41,839 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:15:41,839 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:15:41,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:15:41,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2030425243, now seen corresponding path program 1 times [2018-11-28 13:15:41,840 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 13:15:41,840 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-28 13:15:41,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:15:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:15:43,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:15:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:15:43,165 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 13:15:43,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:15:43,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:15:43,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:15:43,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:15:43,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:15:43,191 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 7 states. [2018-11-28 13:15:48,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:15:48,953 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-11-28 13:15:48,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:15:48,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-28 13:15:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:15:48,954 INFO L225 Difference]: With dead ends: 44 [2018-11-28 13:15:48,955 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:15:48,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:15:48,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:15:48,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:15:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:15:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:15:48,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-11-28 13:15:48,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:15:48,956 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:15:48,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:15:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:15:48,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:15:48,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:15:49,116 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-11-28 13:15:49,241 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:15:49,241 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:15:49,241 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:15:49,241 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L451 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0) (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) [2018-11-28 13:15:49,242 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:15:49,242 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 129 147) the Hoare annotation is: true [2018-11-28 13:15:49,242 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 129 147) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 129 147) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L444 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |main_#t~short29| (= main_~res~0 .cse0) (= main_~x~0 .cse0)))) [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point L141-4(lines 141 144) no Hoare annotation was computed. [2018-11-28 13:15:49,243 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 117 127) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 117 127) the Hoare annotation is: true [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 117 127) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L451 ceAbstractionStarter]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-11-28 13:15:49,244 INFO L444 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (= |atan_float_#in~x| atan_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 13:15:49,244 INFO L448 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L444 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_atan~0)) (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) atan_float_~hx~0) (_ bv1054867456 32))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|))) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand (_ bv2147483647 32) atan_float_~hx~0) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= |atan_float_#in~x| atan_float_~x)) (not (= ~one_atan~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2018-11-28 13:15:49,245 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-11-28 13:15:49,246 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2018-11-28 13:15:49,246 INFO L448 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2018-11-28 13:15:49,252 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,253 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,255 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,256 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,257 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:15:49 BoogieIcfgContainer [2018-11-28 13:15:49,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:15:49,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:15:49,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:15:49,259 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:15:49,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:53" (3/4) ... [2018-11-28 13:15:49,262 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:15:49,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:15:49,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-28 13:15:49,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:15:49,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-28 13:15:49,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-11-28 13:15:49,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-28 13:15:49,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-28 13:15:49,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:15:49,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:15:49,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-28 13:15:49,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-11-28 13:15:49,309 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0addc829-d4d5-4599-97be-60158cde5e3e/bin-2019/uautomizer/witness.graphml [2018-11-28 13:15:49,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:15:49,310 INFO L168 Benchmark]: Toolchain (without parser) took 65934.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,310 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:49,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.98 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:15:49,311 INFO L168 Benchmark]: Boogie Preprocessor took 69.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,311 INFO L168 Benchmark]: RCFGBuilder took 9421.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,312 INFO L168 Benchmark]: TraceAbstraction took 56143.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,312 INFO L168 Benchmark]: Witness Printer took 50.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:15:49,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.89 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.98 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9421.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 56143.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 58.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Witness Printer took 50.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2018-11-28 13:15:49,319 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,319 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,319 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,319 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,320 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-28 13:15:49,321 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan) || \old(x) == x) || !(one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. SAFE Result, 56.0s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 50.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 301 SDtfs, 235 SDslu, 1087 SDs, 0 SdLazy, 358 SolverSat, 28 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 47.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 25 PreInvPairs, 30 NumberOfFragments, 173 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 245 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 160 ConstructedInterpolants, 24 QuantifiedInterpolants, 25696 SizeOfPredicates, 25 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...