./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.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_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 ..................................................................................................................................................................................................................................................................................................... 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_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 ............................................................................................................................................................................................................................................................................................................................................................... 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 12:08:12,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:08:12,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:08:12,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:08:12,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:08:12,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:08:12,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:08:12,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:08:12,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:08:12,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:08:12,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:08:12,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:08:12,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:08:12,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:08:12,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:08:12,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:08:12,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:08:12,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:08:12,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:08:12,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:08:12,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:08:12,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:08:12,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:08:12,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:08:12,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:08:12,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:08:12,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:08:12,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:08:12,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:08:12,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:08:12,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:08:12,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:08:12,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:08:12,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:08:12,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:08:12,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:08:12,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:08:12,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:08:12,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:08:12,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:08:12,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:08:12,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:08:12,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:08:12,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:08:12,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:08:12,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:08:12,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:08:12,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:08:12,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:08:12,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:08:12,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:08:12,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:08:12,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:08:12,904 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_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2019-12-07 12:08:13,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:08:13,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:08:13,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:08:13,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:08:13,012 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:08:13,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2019-12-07 12:08:13,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/081210cae/d143cd2e90564b9d9de071afd288de51/FLAG203ee1a35 [2019-12-07 12:08:13,404 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:08:13,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2019-12-07 12:08:13,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/081210cae/d143cd2e90564b9d9de071afd288de51/FLAG203ee1a35 [2019-12-07 12:08:13,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/081210cae/d143cd2e90564b9d9de071afd288de51 [2019-12-07 12:08:13,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:08:13,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:08:13,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:08:13,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:08:13,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:08:13,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247a03cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13, skipping insertion in model container [2019-12-07 12:08:13,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:08:13,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:08:13,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:08:13,596 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:08:13,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:08:13,632 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:08:13,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13 WrapperNode [2019-12-07 12:08:13,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:08:13,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:08:13,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:08:13,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:08:13,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:08:13,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:08:13,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:08:13,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:08:13,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... [2019-12-07 12:08:13,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:08:13,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:08:13,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:08:13,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:08:13,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:08:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:08:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:08:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:08:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:08:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:08:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:08:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:08:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:08:13,933 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:08:13,934 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 12:08:13,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:13 BoogieIcfgContainer [2019-12-07 12:08:13,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:08:13,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:08:13,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:08:13,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:08:13,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:08:13" (1/3) ... [2019-12-07 12:08:13,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71854632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:13, skipping insertion in model container [2019-12-07 12:08:13,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:13" (2/3) ... [2019-12-07 12:08:13,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71854632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:13, skipping insertion in model container [2019-12-07 12:08:13,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:13" (3/3) ... [2019-12-07 12:08:13,939 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b.c [2019-12-07 12:08:13,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:08:13,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:08:13,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:08:13,972 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:08:13,973 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:08:13,973 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:08:13,973 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:08:13,973 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:08:13,973 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:08:13,973 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:08:13,973 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:08:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 12:08:13,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:08:13,987 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:08:13,987 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:08:13,987 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:08:13,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:08:13,991 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2019-12-07 12:08:13,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:08:13,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57376438] [2019-12-07 12:08:13,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:08:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:08:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:08:14,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57376438] [2019-12-07 12:08:14,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:08:14,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:08:14,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177858010] [2019-12-07 12:08:14,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:08:14,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:08:14,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:08:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:08:14,085 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 12:08:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:08:14,097 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2019-12-07 12:08:14,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:08:14,098 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 12:08:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:08:14,105 INFO L225 Difference]: With dead ends: 72 [2019-12-07 12:08:14,105 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 12:08:14,107 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 12:08:14,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 12:08:14,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 12:08:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 12:08:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2019-12-07 12:08:14,130 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2019-12-07 12:08:14,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:08:14,131 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2019-12-07 12:08:14,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:08:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2019-12-07 12:08:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:08:14,131 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:08:14,131 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:08:14,132 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:08:14,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:08:14,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2019-12-07 12:08:14,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:08:14,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908237723] [2019-12-07 12:08:14,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:08:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:08:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:08:14,240 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:08:14,240 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:08:14,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:08:14 BoogieIcfgContainer [2019-12-07 12:08:14,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:08:14,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:08:14,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:08:14,264 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:08:14,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:13" (3/4) ... [2019-12-07 12:08:14,267 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:08:14,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:08:14,268 INFO L168 Benchmark]: Toolchain (without parser) took 848.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -112.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:14,269 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:08:14,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:14,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.65 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:14,270 INFO L168 Benchmark]: Boogie Preprocessor took 21.99 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 12:08:14,270 INFO L168 Benchmark]: RCFGBuilder took 249.84 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:14,271 INFO L168 Benchmark]: TraceAbstraction took 328.09 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:14,271 INFO L168 Benchmark]: Witness Printer took 3.30 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 12:08:14,273 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.65 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.99 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 249.84 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 328.09 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.30 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 101, overapproximation of bitwiseAnd at line 88. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double x = -1.0 / 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] double res = floor_double(x); [L81] __int32_t hx, lx; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L83] ieee_double_shape_type ew_u; [L84] ew_u.value = (x) [L85] EXPR ew_u.parts.msw [L85] (hx) = ew_u.parts.msw [L86] EXPR ew_u.parts.lsw [L86] (lx) = ew_u.parts.lsw [L88] hx &= 0x7fffffff [L89] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L90] hx = 0x7ff00000 - hx [L91] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] COND TRUE !isinf_double(res) [L106] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 51 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=37occurred 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:08:15,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:08:15,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:08:15,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:08:15,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:08:15,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:08:15,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:08:15,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:08:15,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:08:15,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:08:15,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:08:15,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:08:15,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:08:15,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:08:15,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:08:15,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:08:15,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:08:15,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:08:15,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:08:15,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:08:15,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:08:15,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:08:15,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:08:15,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:08:15,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:08:15,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:08:15,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:08:15,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:08:15,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:08:15,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:08:15,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:08:15,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:08:15,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:08:15,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:08:15,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:08:15,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:08:15,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:08:15,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:08:15,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:08:15,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:08:15,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:08:15,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:08:15,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:08:15,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:08:15,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:08:15,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:08:15,631 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:08:15,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:08:15,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:08:15,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:08:15,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:08:15,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:08:15,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:08:15,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:08:15,635 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_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2019-12-07 12:08:15,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:08:15,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:08:15,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:08:15,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:08:15,815 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:08:15,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2019-12-07 12:08:15,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/7471acd5a/6a2447d871434b24a2d8cc0e2962dcb8/FLAG6cd07c9f8 [2019-12-07 12:08:16,324 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:08:16,325 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2019-12-07 12:08:16,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/7471acd5a/6a2447d871434b24a2d8cc0e2962dcb8/FLAG6cd07c9f8 [2019-12-07 12:08:16,343 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/data/7471acd5a/6a2447d871434b24a2d8cc0e2962dcb8 [2019-12-07 12:08:16,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:08:16,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:08:16,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:08:16,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:08:16,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:08:16,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16, skipping insertion in model container [2019-12-07 12:08:16,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:08:16,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:08:16,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:08:16,516 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:08:16,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:08:16,587 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:08:16,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16 WrapperNode [2019-12-07 12:08:16,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:08:16,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:08:16,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:08:16,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:08:16,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:08:16,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:08:16,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:08:16,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:08:16,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... [2019-12-07 12:08:16,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:08:16,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:08:16,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:08:16,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:08:16,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:08:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 12:08:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 12:08:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:08:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:08:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:08:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:08:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:08:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:08:17,680 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:08:17,681 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 12:08:17,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:17 BoogieIcfgContainer [2019-12-07 12:08:17,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:08:17,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:08:17,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:08:17,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:08:17,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:08:16" (1/3) ... [2019-12-07 12:08:17,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cab1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:17, skipping insertion in model container [2019-12-07 12:08:17,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:08:16" (2/3) ... [2019-12-07 12:08:17,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cab1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:08:17, skipping insertion in model container [2019-12-07 12:08:17,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:17" (3/3) ... [2019-12-07 12:08:17,686 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b.c [2019-12-07 12:08:17,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:08:17,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:08:17,703 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:08:17,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:08:17,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:08:17,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:08:17,718 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:08:17,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:08:17,718 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:08:17,718 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:08:17,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:08:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 12:08:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:08:17,731 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:08:17,732 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:08:17,732 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:08:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:08:17,736 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2019-12-07 12:08:17,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:08:17,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044006422] [2019-12-07 12:08:17,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 12:08:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:08:17,815 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:08:17,818 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:08:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:08:17,828 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:08:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:08:17,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2044006422] [2019-12-07 12:08:17,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:08:17,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:08:17,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133826787] [2019-12-07 12:08:17,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:08:17,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:08:17,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:08:17,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:08:17,847 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 12:08:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:08:17,859 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2019-12-07 12:08:17,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:08:17,860 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 12:08:17,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:08:17,867 INFO L225 Difference]: With dead ends: 72 [2019-12-07 12:08:17,867 INFO L226 Difference]: Without dead ends: 34 [2019-12-07 12:08:17,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 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 12:08:17,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-07 12:08:17,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-07 12:08:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-07 12:08:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2019-12-07 12:08:17,893 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2019-12-07 12:08:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:08:17,893 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2019-12-07 12:08:17,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:08:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2019-12-07 12:08:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:08:17,894 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:08:17,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:08:18,094 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:08:18,095 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:08:18,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:08:18,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2019-12-07 12:08:18,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:08:18,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746373820] [2019-12-07 12:08:18,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 12:08:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:08:18,210 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 12:08:18,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:08:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:08:18,317 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:08:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:08:18,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746373820] [2019-12-07 12:08:18,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:08:18,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 12:08:18,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359734731] [2019-12-07 12:08:18,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:08:18,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:08:18,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:08:18,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:08:18,434 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand 8 states. [2019-12-07 12:08:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:08:18,685 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-12-07 12:08:18,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:08:18,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2019-12-07 12:08:18,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:08:18,687 INFO L225 Difference]: With dead ends: 42 [2019-12-07 12:08:18,687 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 12:08:18,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:08:18,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 12:08:18,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 12:08:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 12:08:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 12:08:18,693 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 15 [2019-12-07 12:08:18,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:08:18,693 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 12:08:18,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:08:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 12:08:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 12:08:18,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:08:18,694 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:08:18,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:08:18,896 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:08:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:08:18,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2019-12-07 12:08:18,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:08:18,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485939452] [2019-12-07 12:08:18,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 12:08:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:08:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:08:19,225 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 12:08:19,225 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:08:19,425 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:08:19,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:08:19 BoogieIcfgContainer [2019-12-07 12:08:19,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:08:19,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:08:19,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:08:19,457 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:08:19,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:08:17" (3/4) ... [2019-12-07 12:08:19,459 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 12:08:19,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aaf993d7-d460-49a9-9f7e-5dc8aa4c0099/bin/uautomizer/witness.graphml [2019-12-07 12:08:19,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:08:19,497 INFO L168 Benchmark]: Toolchain (without parser) took 3150.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 979.2 MB in the end (delta: -26.9 MB). Peak memory consumption was 91.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:19,498 INFO L168 Benchmark]: CDTParser took 0.18 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 12:08:19,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:19,498 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:08:19,498 INFO L168 Benchmark]: Boogie Preprocessor took 25.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:08:19,499 INFO L168 Benchmark]: RCFGBuilder took 1038.38 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:19,499 INFO L168 Benchmark]: TraceAbstraction took 1774.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:08:19,499 INFO L168 Benchmark]: Witness Printer took 39.39 ms. Allocated memory is still 1.1 GB. Free memory is still 979.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:08:19,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 240.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.81 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 25.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1038.38 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1774.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.2 MB in the end (delta: 83.1 MB). Peak memory consumption was 83.1 MB. Max. memory is 11.5 GB. * Witness Printer took 39.39 ms. Allocated memory is still 1.1 GB. Free memory is still 979.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 106]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double x = -1.0 / 0.0; [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] ieee_double_shape_type ew_u; [L21] ew_u.value = (x) [L22] EXPR ew_u.parts.msw [L22] (i0) = ew_u.parts.msw [L23] EXPR ew_u.parts.lsw [L23] (i1) = ew_u.parts.lsw [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] COND FALSE !(j0 < 20) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L47] COND TRUE j0 > 51 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L48] COND TRUE j0 == 0x400 [L49] return x + x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] double res = floor_double(x); [L81] __int32_t hx, lx; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L83] ieee_double_shape_type ew_u; [L84] ew_u.value = (x) [L85] EXPR ew_u.parts.msw [L85] (hx) = ew_u.parts.msw [L86] EXPR ew_u.parts.lsw [L86] (lx) = ew_u.parts.lsw [L88] hx &= 0x7fffffff [L89] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L90] hx = 0x7ff00000 - hx [L91] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] COND TRUE !isinf_double(res) [L106] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 SDtfs, 44 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 52 ConstructedInterpolants, 5 QuantifiedInterpolants, 2332 SizeOfPredicates, 8 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...