./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78c6d2d68aa498895f40ed0a4a24644b21119801 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78c6d2d68aa498895f40ed0a4a24644b21119801 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:30:29,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:30:29,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:30:29,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:30:29,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:30:29,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:30:29,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:30:29,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:30:29,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:30:29,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:30:29,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:30:29,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:30:29,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:30:29,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:30:29,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:30:29,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:30:29,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:30:29,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:30:29,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:30:29,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:30:29,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:30:29,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:30:29,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:30:29,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:30:29,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:30:29,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:30:29,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:30:29,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:30:29,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:30:29,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:30:29,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:30:29,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:30:29,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:30:29,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:30:29,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:30:29,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:30:29,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:30:29,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:30:29,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:30:29,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:30:29,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:30:29,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:30:29,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:30:29,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:30:29,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:30:29,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:30:29,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:30:29,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:30:29,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:30:29,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:30:29,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:30:29,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:30:29,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:30:29,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:30:29,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:30:29,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:30:29,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:30:29,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:30:29,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:30:29,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:30:29,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78c6d2d68aa498895f40ed0a4a24644b21119801 [2019-12-07 16:30:29,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:30:29,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:30:29,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:30:29,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:30:29,917 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:30:29,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2019-12-07 16:30:29,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/ceeaee163/bcfa1c8567204edc89d15ee3e2b6a65c/FLAG9c88229a6 [2019-12-07 16:30:30,332 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:30:30,333 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2019-12-07 16:30:30,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/ceeaee163/bcfa1c8567204edc89d15ee3e2b6a65c/FLAG9c88229a6 [2019-12-07 16:30:30,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/ceeaee163/bcfa1c8567204edc89d15ee3e2b6a65c [2019-12-07 16:30:30,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:30:30,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:30:30,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:30:30,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:30:30,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:30:30,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:30:30" (1/1) ... [2019-12-07 16:30:30,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc9dccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:30, skipping insertion in model container [2019-12-07 16:30:30,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:30:30" (1/1) ... [2019-12-07 16:30:30,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:30:30,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:30:30,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:30:30,969 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:30:31,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:30:31,020 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:30:31,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31 WrapperNode [2019-12-07 16:30:31,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:30:31,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:30:31,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:30:31,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:30:31,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:30:31,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:30:31,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:30:31,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:30:31,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... [2019-12-07 16:30:31,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:30:31,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:30:31,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:30:31,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:30:31,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:30:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:30:31,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:30:31,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:30:31,388 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:30:31,388 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:30:31,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:30:31 BoogieIcfgContainer [2019-12-07 16:30:31,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:30:31,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:30:31,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:30:31,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:30:31,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:30:30" (1/3) ... [2019-12-07 16:30:31,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a760add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:30:31, skipping insertion in model container [2019-12-07 16:30:31,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:31" (2/3) ... [2019-12-07 16:30:31,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a760add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:30:31, skipping insertion in model container [2019-12-07 16:30:31,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:30:31" (3/3) ... [2019-12-07 16:30:31,394 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2019-12-07 16:30:31,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:30:31,405 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:30:31,412 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:30:31,428 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:30:31,428 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:30:31,428 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:30:31,428 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:30:31,428 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:30:31,428 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:30:31,428 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:30:31,428 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:30:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-12-07 16:30:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:30:31,443 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:30:31,443 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:30:31,444 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:30:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:30:31,447 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2019-12-07 16:30:31,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:30:31,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31566942] [2019-12-07 16:30:31,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:30:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:30:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:30:31,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31566942] [2019-12-07 16:30:31,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:30:31,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:30:31,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515640983] [2019-12-07 16:30:31,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:30:31,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:30:31,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:30:31,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:30:31,552 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-12-07 16:30:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:30:31,566 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2019-12-07 16:30:31,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:30:31,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 16:30:31,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:30:31,573 INFO L225 Difference]: With dead ends: 88 [2019-12-07 16:30:31,574 INFO L226 Difference]: Without dead ends: 42 [2019-12-07 16:30:31,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:30:31,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-07 16:30:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-07 16:30:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 16:30:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2019-12-07 16:30:31,599 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2019-12-07 16:30:31,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:30:31,600 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2019-12-07 16:30:31,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:30:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-12-07 16:30:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:30:31,600 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:30:31,600 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:30:31,601 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:30:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:30:31,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2019-12-07 16:30:31,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:30:31,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081585854] [2019-12-07 16:30:31,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:30:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:30:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:30:31,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:30:31,715 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:30:31,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:30:31 BoogieIcfgContainer [2019-12-07 16:30:31,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:30:31,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:30:31,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:30:31,745 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:30:31,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:30:31" (3/4) ... [2019-12-07 16:30:31,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:30:31,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:30:31,749 INFO L168 Benchmark]: Toolchain (without parser) took 991.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -61.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:30:31,750 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:30:31,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:30:31,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:30:31,751 INFO L168 Benchmark]: Boogie Preprocessor took 28.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:30:31,751 INFO L168 Benchmark]: RCFGBuilder took 303.33 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:30:31,752 INFO L168 Benchmark]: TraceAbstraction took 354.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 16:30:31,752 INFO L168 Benchmark]: Witness Printer took 3.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:30:31,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.33 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 354.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 186]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of someUnaryDOUBLEoperation at line 181, overapproximation of someBinaryArithmeticDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 26. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; [L126-L129] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L131] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L181] double x = -0.0; [L134] double y, z; [L135] __int32_t i, k, hx; [L136] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L139] ieee_double_shape_type ew_u; [L140] ew_u.value = (x) [L141] EXPR ew_u.parts.msw [L141] (hx) = ew_u.parts.msw [L142] EXPR ew_u.parts.lsw [L142] (lx) = ew_u.parts.lsw [L145] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L146] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L147] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L148] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L182] double res = __ieee754_log10(x); [L19] __int32_t hx, lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 59 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=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:30:33,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:30:33,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:30:33,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:30:33,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:30:33,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:30:33,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:30:33,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:30:33,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:30:33,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:30:33,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:30:33,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:30:33,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:30:33,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:30:33,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:30:33,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:30:33,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:30:33,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:30:33,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:30:33,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:30:33,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:30:33,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:30:33,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:30:33,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:30:33,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:30:33,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:30:33,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:30:33,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:30:33,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:30:33,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:30:33,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:30:33,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:30:33,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:30:33,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:30:33,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:30:33,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:30:33,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:30:33,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:30:33,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:30:33,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:30:33,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:30:33,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 16:30:33,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:30:33,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:30:33,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:30:33,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:30:33,141 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:30:33,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:30:33,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:30:33,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:30:33,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:30:33,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:30:33,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:30:33,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:30:33,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:30:33,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:30:33,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:30:33,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:30:33,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:30:33,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:30:33,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:30:33,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:30:33,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:30:33,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:30:33,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:30:33,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:30:33,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:30:33,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:30:33,145 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 16:30:33,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:30:33,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:30:33,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:30:33,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:30:33,146 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78c6d2d68aa498895f40ed0a4a24644b21119801 [2019-12-07 16:30:33,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:30:33,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:30:33,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:30:33,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:30:33,349 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:30:33,350 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2019-12-07 16:30:33,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/0bc6a59c7/507bd25849854f448f59b0f7f09a11b7/FLAGa1137c5b8 [2019-12-07 16:30:33,830 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:30:33,830 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2019-12-07 16:30:33,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/0bc6a59c7/507bd25849854f448f59b0f7f09a11b7/FLAGa1137c5b8 [2019-12-07 16:30:34,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/data/0bc6a59c7/507bd25849854f448f59b0f7f09a11b7 [2019-12-07 16:30:34,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:30:34,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:30:34,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:30:34,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:30:34,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:30:34,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440b73fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34, skipping insertion in model container [2019-12-07 16:30:34,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:30:34,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:30:34,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:30:34,362 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:30:34,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:30:34,446 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:30:34,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34 WrapperNode [2019-12-07 16:30:34,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:30:34,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:30:34,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:30:34,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:30:34,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:30:34,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:30:34,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:30:34,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:30:34,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... [2019-12-07 16:30:34,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:30:34,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:30:34,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:30:34,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:30:34,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:30:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 16:30:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 16:30:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:30:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:30:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:30:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:30:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:30:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:31:01,534 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:31:01,534 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 16:31:01,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:01 BoogieIcfgContainer [2019-12-07 16:31:01,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:31:01,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:31:01,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:31:01,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:31:01,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:30:34" (1/3) ... [2019-12-07 16:31:01,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3435d7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:01, skipping insertion in model container [2019-12-07 16:31:01,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:30:34" (2/3) ... [2019-12-07 16:31:01,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3435d7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:01, skipping insertion in model container [2019-12-07 16:31:01,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:01" (3/3) ... [2019-12-07 16:31:01,539 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2019-12-07 16:31:01,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:31:01,550 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:31:01,557 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:31:01,571 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:31:01,571 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:31:01,571 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:31:01,571 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:31:01,571 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:31:01,571 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:31:01,571 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:31:01,571 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:31:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-12-07 16:31:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:31:01,584 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:01,585 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:31:01,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:01,589 INFO L82 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2019-12-07 16:31:01,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:31:01,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684117003] [2019-12-07 16:31:01,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:31:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:02,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:31:02,410 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:31:02,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:02,422 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:31:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:02,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684117003] [2019-12-07 16:31:02,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:02,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:31:02,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068090960] [2019-12-07 16:31:02,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:31:02,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:31:02,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:31:02,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:31:02,441 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-12-07 16:31:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:02,456 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2019-12-07 16:31:02,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:31:02,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 16:31:02,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:02,464 INFO L225 Difference]: With dead ends: 88 [2019-12-07 16:31:02,464 INFO L226 Difference]: Without dead ends: 42 [2019-12-07 16:31:02,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:31:02,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-12-07 16:31:02,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-12-07 16:31:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-12-07 16:31:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2019-12-07 16:31:02,495 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2019-12-07 16:31:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:02,496 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2019-12-07 16:31:02,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:31:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-12-07 16:31:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 16:31:02,496 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:02,496 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:31:02,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:31:02,698 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:02,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2019-12-07 16:31:02,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:31:02,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484184462] [2019-12-07 16:31:02,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:31:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:31:04,836 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 16:31:04,836 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:31:05,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:31:05,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:31:05 BoogieIcfgContainer [2019-12-07 16:31:05,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:31:05,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:31:05,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:31:05,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:31:05,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:01" (3/4) ... [2019-12-07 16:31:05,111 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 16:31:05,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fec39182-9c06-4f8a-997a-cbe3b40039e3/bin/uautomizer/witness.graphml [2019-12-07 16:31:05,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:31:05,164 INFO L168 Benchmark]: Toolchain (without parser) took 30964.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -51.8 MB). Peak memory consumption was 78.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:05,165 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:05,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:05,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.11 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:05,166 INFO L168 Benchmark]: Boogie Preprocessor took 31.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:05,166 INFO L168 Benchmark]: RCFGBuilder took 27021.42 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:05,166 INFO L168 Benchmark]: TraceAbstraction took 3571.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:31:05,166 INFO L168 Benchmark]: Witness Printer took 55.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:31:05,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.11 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 27021.42 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3571.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. * Witness Printer took 55.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 186]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; [L126-L129] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L131] static const double zero_log10 = 0.0; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L181] double x = -0.0; [L134] double y, z; [L135] __int32_t i, k, hx; [L136] __uint32_t lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L139] ieee_double_shape_type ew_u; [L140] ew_u.value = (x) [L141] EXPR ew_u.parts.msw [L141] (hx) = ew_u.parts.msw [L142] EXPR ew_u.parts.lsw [L142] (lx) = ew_u.parts.lsw [L145] k = 0 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L146] COND TRUE hx < 0x00100000 VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L147] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L148] return -two54_log10 / zero_log10; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L182] double res = __ieee754_log10(x); [L19] __int32_t hx, lx; VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] [L185] COND TRUE !isinf_double(res) [L186] __VERIFIER_error() VAL [ivln10_log10=0.4342944819032518, Lg1_log=0.6666666666666735, Lg2_log=0.3999999999940942, Lg3_log=0.2857142874366239, Lg4_log=0.22222198432149784, Lg5_log=0.1818357216161805, Lg6_log=0.15313837699209373, Lg7_log=0.14798198605116586, ln2_hi_log=0.6931471803691238, ln2_lo_log=0.00000000019082149292705877, log10_2hi_log10=0.30102999566361177, log10_2lo_log10=0.0000000000003694239077158931, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0.0, zero_log10=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...