./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 fab445bb6a3fd0ca18877c7d743999434d4122d2 ..................................................................................................................................................................................................................... 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_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 fab445bb6a3fd0ca18877c7d743999434d4122d2 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:13:41,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:13:41,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:13:41,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:13:41,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:13:41,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:13:41,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:13:41,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:13:41,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:13:41,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:13:41,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:13:41,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:13:41,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:13:41,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:13:41,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:13:41,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:13:41,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:13:41,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:13:41,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:13:41,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:13:41,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:13:41,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:13:41,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:13:41,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:13:41,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:13:41,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:13:41,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:13:41,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:13:41,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:13:41,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:13:41,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:13:41,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:13:41,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:13:41,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:13:41,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:13:41,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:13:41,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:13:41,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:13:41,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:13:41,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:13:41,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:13:41,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 01:13:41,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:13:41,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:13:41,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:13:41,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:13:41,666 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:13:41,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:13:41,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:13:41,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:13:41,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:13:41,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:13:41,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:13:41,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:13:41,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:13:41,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:13:41,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:13:41,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:13:41,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:13:41,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:13:41,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:13:41,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:13:41,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 01:13:41,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:13:41,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:13:41,670 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_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 -> fab445bb6a3fd0ca18877c7d743999434d4122d2 [2019-11-20 01:13:41,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:13:41,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:13:41,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:13:41,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:13:41,883 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:13:41,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-20 01:13:41,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/b6410ec8b/aa9955ca711d4a7f817f00b728b1a538/FLAG27a21197f [2019-11-20 01:13:42,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:13:42,396 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-20 01:13:42,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/b6410ec8b/aa9955ca711d4a7f817f00b728b1a538/FLAG27a21197f [2019-11-20 01:13:42,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/b6410ec8b/aa9955ca711d4a7f817f00b728b1a538 [2019-11-20 01:13:42,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:13:42,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:13:42,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:42,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:13:42,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:13:42,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:42" (1/1) ... [2019-11-20 01:13:42,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d79f33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:42, skipping insertion in model container [2019-11-20 01:13:42,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:42" (1/1) ... [2019-11-20 01:13:42,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:13:42,893 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:13:43,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:43,183 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:13:43,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:43,234 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:13:43,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43 WrapperNode [2019-11-20 01:13:43,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:43,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:43,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:13:43,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:13:43,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:43,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:13:43,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:13:43,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:13:43,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... [2019-11-20 01:13:43,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:13:43,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:13:43,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:13:43,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:13:43,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 [2019-11-20 01:13:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:13:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:13:43,817 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:13:43,817 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 01:13:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:43 BoogieIcfgContainer [2019-11-20 01:13:43,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:13:43,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:13:43,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:13:43,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:13:43,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:13:42" (1/3) ... [2019-11-20 01:13:43,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b8eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:13:43, skipping insertion in model container [2019-11-20 01:13:43,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:43" (2/3) ... [2019-11-20 01:13:43,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b8eb15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:13:43, skipping insertion in model container [2019-11-20 01:13:43,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:43" (3/3) ... [2019-11-20 01:13:43,827 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c [2019-11-20 01:13:43,836 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:13:43,843 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2019-11-20 01:13:43,853 INFO L249 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2019-11-20 01:13:43,878 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:13:43,878 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:13:43,878 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:13:43,878 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:13:43,878 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:13:43,879 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:13:43,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:13:43,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:13:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-11-20 01:13:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 01:13:43,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:13:43,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 01:13:43,907 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:13:43,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:43,913 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 01:13:43,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 01:13:43,922 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190598858] [2019-11-20 01:13:43,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 01:13:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 01:13:43,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 01:13:44,000 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 01:13:44,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:13:44 BoogieIcfgContainer [2019-11-20 01:13:44,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:13:44,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:13:44,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:13:44,014 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:13:44,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:43" (3/4) ... [2019-11-20 01:13:44,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 01:13:44,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:13:44,021 INFO L168 Benchmark]: Toolchain (without parser) took 1165.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:44,022 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:13:44,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:44,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.43 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:44,024 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 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. [2019-11-20 01:13:44,025 INFO L168 Benchmark]: RCFGBuilder took 525.28 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:44,025 INFO L168 Benchmark]: TraceAbstraction took 194.08 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:44,026 INFO L168 Benchmark]: Witness Printer took 4.56 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. [2019-11-20 01:13:44,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.43 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.07 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 525.28 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 194.08 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.56 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: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 94 locations, 30 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.24-678e011 [2019-11-20 01:13:46,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:13:46,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:13:46,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:13:46,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:13:46,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:13:46,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:13:46,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:13:46,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:13:46,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:13:46,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:13:46,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:13:46,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:13:46,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:13:46,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:13:46,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:13:46,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:13:46,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:13:46,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:13:46,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:13:46,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:13:46,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:13:46,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:13:46,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:13:46,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:13:46,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:13:46,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:13:46,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:13:46,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:13:46,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:13:46,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:13:46,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:13:46,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:13:46,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:13:46,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:13:46,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:13:46,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:13:46,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:13:46,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:13:46,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:13:46,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:13:46,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 01:13:46,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:13:46,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:13:46,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:13:46,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:13:46,375 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 01:13:46,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:13:46,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:13:46,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:13:46,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:13:46,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:13:46,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:13:46,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:13:46,376 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 01:13:46,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 01:13:46,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:13:46,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:13:46,377 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:13:46,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:13:46,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:13:46,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 01:13:46,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:13:46,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 01:13:46,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 01:13:46,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:13:46,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:13:46,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:13:46,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 01:13:46,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 01:13:46,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:13:46,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:13:46,380 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_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 -> fab445bb6a3fd0ca18877c7d743999434d4122d2 [2019-11-20 01:13:46,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:13:46,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:13:46,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:13:46,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:13:46,695 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:13:46,695 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-20 01:13:46,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/1f93b0653/f7fc39b65f0843c3ab8ecee6d30bccbc/FLAG09ec4bc45 [2019-11-20 01:13:47,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:13:47,165 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/sv-benchmarks/c/floats-cbmc-regression/float11.c [2019-11-20 01:13:47,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/1f93b0653/f7fc39b65f0843c3ab8ecee6d30bccbc/FLAG09ec4bc45 [2019-11-20 01:13:47,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/data/1f93b0653/f7fc39b65f0843c3ab8ecee6d30bccbc [2019-11-20 01:13:47,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:13:47,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:13:47,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:47,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:13:47,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:13:47,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be92b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47, skipping insertion in model container [2019-11-20 01:13:47,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:13:47,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:13:47,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:47,788 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:13:47,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:13:47,854 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:13:47,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47 WrapperNode [2019-11-20 01:13:47,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:13:47,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:47,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:13:47,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:13:47,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:13:47,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:13:47,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:13:47,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:13:47,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:47,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:48,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:48,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:48,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... [2019-11-20 01:13:48,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:13:48,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:13:48,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:13:48,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:13:48,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/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 [2019-11-20 01:13:48,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:13:48,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:13:48,402 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:13:48,402 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 01:13:48,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:48 BoogieIcfgContainer [2019-11-20 01:13:48,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:13:48,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 01:13:48,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 01:13:48,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 01:13:48,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:13:47" (1/3) ... [2019-11-20 01:13:48,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca2ccb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:13:48, skipping insertion in model container [2019-11-20 01:13:48,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:13:47" (2/3) ... [2019-11-20 01:13:48,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca2ccb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:13:48, skipping insertion in model container [2019-11-20 01:13:48,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:48" (3/3) ... [2019-11-20 01:13:48,412 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c [2019-11-20 01:13:48,419 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 01:13:48,423 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2019-11-20 01:13:48,433 INFO L249 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2019-11-20 01:13:48,462 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 01:13:48,462 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 01:13:48,462 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 01:13:48,463 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 01:13:48,464 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 01:13:48,465 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 01:13:48,465 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 01:13:48,465 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 01:13:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-11-20 01:13:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 01:13:48,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 01:13:48,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 01:13:48,499 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 01:13:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:13:48,506 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 01:13:48,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 01:13:48,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1493386595] [2019-11-20 01:13:48,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:13:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:13:48,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 01:13:48,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:13:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:48,578 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 01:13:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:13:48,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1493386595] [2019-11-20 01:13:48,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 01:13:48,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 01:13:48,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245767553] [2019-11-20 01:13:48,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 01:13:48,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 01:13:48,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 01:13:48,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:13:48,605 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 2 states. [2019-11-20 01:13:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 01:13:48,625 INFO L93 Difference]: Finished difference Result 126 states and 183 transitions. [2019-11-20 01:13:48,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 01:13:48,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 3 [2019-11-20 01:13:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 01:13:48,634 INFO L225 Difference]: With dead ends: 126 [2019-11-20 01:13:48,634 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 01:13:48,638 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 01:13:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 01:13:48,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 01:13:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 01:13:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 01:13:48,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 01:13:48,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 01:13:48,662 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 01:13:48,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 01:13:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 01:13:48,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:13:48,863 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-20 01:13:48,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point L19-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-11-20 01:13:48,872 INFO L444 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point L36-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point L20-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-20 01:13:48,873 INFO L444 ceAbstractionStarter]: For program point L37-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,874 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2019-11-20 01:13:48,874 INFO L444 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2019-11-20 01:13:48,874 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,875 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-11-20 01:13:48,875 INFO L444 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2019-11-20 01:13:48,876 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-20 01:13:48,877 INFO L444 ceAbstractionStarter]: For program point L5-1(line 5) no Hoare annotation was computed. [2019-11-20 01:13:48,877 INFO L444 ceAbstractionStarter]: For program point L38-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,877 INFO L444 ceAbstractionStarter]: For program point L5-3(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,877 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2019-11-20 01:13:48,877 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-20 01:13:48,878 INFO L444 ceAbstractionStarter]: For program point L22-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,878 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2019-11-20 01:13:48,879 INFO L444 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-11-20 01:13:48,879 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-20 01:13:48,879 INFO L444 ceAbstractionStarter]: For program point L6-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,879 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-20 01:13:48,879 INFO L444 ceAbstractionStarter]: For program point L23-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,880 INFO L444 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2019-11-20 01:13:48,880 INFO L444 ceAbstractionStarter]: For program point L7-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,881 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2019-11-20 01:13:48,881 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2019-11-20 01:13:48,881 INFO L444 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-20 01:13:48,882 INFO L444 ceAbstractionStarter]: For program point L24-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,882 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2019-11-20 01:13:48,882 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-20 01:13:48,883 INFO L444 ceAbstractionStarter]: For program point L8-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,883 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 01:13:48,884 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2019-11-20 01:13:48,884 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2019-11-20 01:13:48,884 INFO L444 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2019-11-20 01:13:48,885 INFO L444 ceAbstractionStarter]: For program point L9-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2019-11-20 01:13:48,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-11-20 01:13:48,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-11-20 01:13:48,886 INFO L444 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-20 01:13:48,887 INFO L444 ceAbstractionStarter]: For program point L10-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,891 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2019-11-20 01:13:48,892 INFO L444 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-11-20 01:13:48,892 INFO L444 ceAbstractionStarter]: For program point L27-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,892 INFO L444 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2019-11-20 01:13:48,892 INFO L444 ceAbstractionStarter]: For program point L11-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,892 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed. [2019-11-20 01:13:48,893 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point L28-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-11-20 01:13:48,894 INFO L444 ceAbstractionStarter]: For program point L12-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,895 INFO L444 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-11-20 01:13:48,895 INFO L444 ceAbstractionStarter]: For program point L29-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,903 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-20 01:13:48,903 INFO L444 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point L13-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2019-11-20 01:13:48,904 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point L31-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point L32-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,905 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L33-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-20 01:13:48,906 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point L34-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2019-11-20 01:13:48,907 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 3 40) no Hoare annotation was computed. [2019-11-20 01:13:48,908 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2019-11-20 01:13:48,908 INFO L444 ceAbstractionStarter]: For program point L2(lines 2 40) no Hoare annotation was computed. [2019-11-20 01:13:48,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:13:48 BoogieIcfgContainer [2019-11-20 01:13:48,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 01:13:48,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:13:48,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:13:48,914 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:13:48,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:13:48" (3/4) ... [2019-11-20 01:13:48,921 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:13:48,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:13:48,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:13:49,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4073c1d4-f053-4703-a7f8-b1154dadbc5a/bin/uautomizer/witness.graphml [2019-11-20 01:13:49,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:13:49,003 INFO L168 Benchmark]: Toolchain (without parser) took 1467.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,004 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:13:49,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.49 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,005 INFO L168 Benchmark]: Boogie Preprocessor took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,005 INFO L168 Benchmark]: RCFGBuilder took 382.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,006 INFO L168 Benchmark]: TraceAbstraction took 508.84 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-20 01:13:49,006 INFO L168 Benchmark]: Witness Printer took 87.99 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. [2019-11-20 01:13:49,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.49 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 952.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 382.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 508.84 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: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Witness Printer took 87.99 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 29]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 94 locations, 30 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5 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 correct! Received shutdown request...