./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_float.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 ad42bb2010d2b192065bfa0d559e83801dcf82da ........................................................................................................................................................................................................................... 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/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 ad42bb2010d2b192065bfa0d559e83801dcf82da .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:12,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:12,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:12,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:12,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:12,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:12,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:12,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:12,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:12,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:12,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:12,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:12,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:12,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:12,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:12,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:12,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:12,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:12,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:12,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:12,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:12,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:12,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:12,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:12,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:12,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:12,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:12,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:12,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:12,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:12,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:12,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:12,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:12,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:12,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:12,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:12,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:12,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:12,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:12,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:12,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:12,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:12,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:12,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:12,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:12,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:12,887 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:12,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:12,887 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:12,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:12,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:12,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:12,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:12,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:12,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:12,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:12,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:12,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:12,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:12,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:12,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:12,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:12,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:12,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:12,891 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/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-10-22 08:57:12,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:12,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:12,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:12,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:12,927 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:12,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-10-22 08:57:12,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/7527ff4e1/5cdefaac204c48f19ef7666e166d3e01/FLAGb169a4a03 [2019-10-22 08:57:13,312 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:13,312 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/sv-benchmarks/c/float-benchs/Rump_float.c [2019-10-22 08:57:13,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/7527ff4e1/5cdefaac204c48f19ef7666e166d3e01/FLAGb169a4a03 [2019-10-22 08:57:13,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/7527ff4e1/5cdefaac204c48f19ef7666e166d3e01 [2019-10-22 08:57:13,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:13,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:13,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:13,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:13,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:13,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13, skipping insertion in model container [2019-10-22 08:57:13,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,343 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:13,356 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:13,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:13,485 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:13,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:13,568 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:13,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13 WrapperNode [2019-10-22 08:57:13,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:13,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:13,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:13,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:13,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:13,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:13,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:13,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:13,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:13,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:13,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:13,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:13,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 [2019-10-22 08:57:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:13,823 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:13,824 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:13,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:13 BoogieIcfgContainer [2019-10-22 08:57:13,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:13,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:13,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:13,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:13,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:13" (1/3) ... [2019-10-22 08:57:13,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7674da55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:13, skipping insertion in model container [2019-10-22 08:57:13,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13" (2/3) ... [2019-10-22 08:57:13,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7674da55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:13, skipping insertion in model container [2019-10-22 08:57:13,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:13" (3/3) ... [2019-10-22 08:57:13,833 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-10-22 08:57:13,843 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:13,849 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:13,863 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:13,889 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:13,891 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:13,891 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:13,892 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:13,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:13,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:13,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:13,892 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-10-22 08:57:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 08:57:13,915 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:13,916 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 08:57:13,917 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-10-22 08:57:13,930 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:13,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228659348] [2019-10-22 08:57:13,931 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:13,931 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:13,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:14,031 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:14,032 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:57:14,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:14 BoogieIcfgContainer [2019-10-22 08:57:14,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:14,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:14,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:14,051 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:14,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:13" (3/4) ... [2019-10-22 08:57:14,056 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:14,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:14,060 INFO L168 Benchmark]: Toolchain (without parser) took 729.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:14,061 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:14,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:14,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.75 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. [2019-10-22 08:57:14,065 INFO L168 Benchmark]: Boogie Preprocessor took 15.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:14,066 INFO L168 Benchmark]: RCFGBuilder took 209.90 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:14,067 INFO L168 Benchmark]: TraceAbstraction took 224.52 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:14,068 INFO L168 Benchmark]: Witness Printer took 7.51 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. [2019-10-22 08:57:14,070 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 238.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.75 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. * Boogie Preprocessor took 15.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 209.90 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 224.52 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: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.51 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 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=8occurred 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-cad4683 [2019-10-22 08:57:16,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:16,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:16,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:16,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:16,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:16,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:16,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:16,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:16,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:16,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:16,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:16,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:16,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:16,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:16,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:16,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:16,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:16,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:16,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:16,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:16,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:16,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:16,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:16,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:16,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:16,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:16,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:16,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:16,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:16,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:16,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:16,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:16,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:16,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:16,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:16,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:16,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:16,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:16,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:16,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:16,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:57:16,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:16,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:16,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:16,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:16,235 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:16,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:16,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:16,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:57:16,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:57:16,237 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:16,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:16,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:16,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:16,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:16,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:16,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:16,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:16,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:16,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:16,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:16,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:16,240 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:57:16,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:57:16,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:16,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:57:16,240 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/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 -> ad42bb2010d2b192065bfa0d559e83801dcf82da [2019-10-22 08:57:16,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:16,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:16,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:16,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:16,288 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:16,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-10-22 08:57:16,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/a6372692e/d303c3c4b9fc45c686984ba6594ff6c8/FLAG5f6045041 [2019-10-22 08:57:16,713 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:16,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/sv-benchmarks/c/float-benchs/Rump_float.c [2019-10-22 08:57:16,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/a6372692e/d303c3c4b9fc45c686984ba6594ff6c8/FLAG5f6045041 [2019-10-22 08:57:17,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/data/a6372692e/d303c3c4b9fc45c686984ba6594ff6c8 [2019-10-22 08:57:17,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:17,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:17,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:17,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:17,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4b897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:17,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:17,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:17,367 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:17,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:17,414 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:17,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17 WrapperNode [2019-10-22 08:57:17,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:17,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:17,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:17,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:17,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:17,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:17,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:17,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:17,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:17,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 [2019-10-22 08:57:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:17,760 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:17,760 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:17,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17 BoogieIcfgContainer [2019-10-22 08:57:17,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:17,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:17,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:17,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:17,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:17" (1/3) ... [2019-10-22 08:57:17,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c42836e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (2/3) ... [2019-10-22 08:57:17,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c42836e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/3) ... [2019-10-22 08:57:17,769 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-10-22 08:57:17,780 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:17,786 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:17,794 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:17,816 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:17,816 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:17,816 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:17,816 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:17,816 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:17,817 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:17,817 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:17,817 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-10-22 08:57:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 08:57:17,839 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:17,840 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 08:57:17,842 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:17,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,851 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-10-22 08:57:17,863 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 08:57:17,863 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31729141] [2019-10-22 08:57:17,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/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 [2019-10-22 08:57:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:20,937 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 08:57:20,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:21,028 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 08:57:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:21,041 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31729141] [2019-10-22 08:57:21,042 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:21,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 08:57:21,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252206700] [2019-10-22 08:57:21,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:21,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 08:57:21,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:21,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:21,065 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-10-22 08:57:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:21,086 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-10-22 08:57:21,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:21,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-10-22 08:57:21,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:21,117 INFO L225 Difference]: With dead ends: 12 [2019-10-22 08:57:21,117 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:21,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:21,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:21,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:21,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-10-22 08:57:21,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:21,163 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:21,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:21,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:21,371 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 08:57:21,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:57:21,443 INFO L439 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 08:57:21,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:57:21,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:57:21,444 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:57:21,444 INFO L439 ceAbstractionStarter]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 08:57:21,451 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-10-22 08:57:21,451 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-10-22 08:57:21,451 INFO L443 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-10-22 08:57:21,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:21 BoogieIcfgContainer [2019-10-22 08:57:21,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:21,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:21,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:21,465 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:21,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/4) ... [2019-10-22 08:57:21,470 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:21,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:57:21,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:57:21,546 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54250159-a755-4641-b0d1-0b3a3d55a49d/bin/uautomizer/witness.graphml [2019-10-22 08:57:21,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:21,549 INFO L168 Benchmark]: Toolchain (without parser) took 4430.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,550 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:21,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.06 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 934.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,553 INFO L168 Benchmark]: Boogie Preprocessor took 102.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,554 INFO L168 Benchmark]: RCFGBuilder took 197.82 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,555 INFO L168 Benchmark]: TraceAbstraction took 3702.01 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:21,555 INFO L168 Benchmark]: Witness Printer took 82.64 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. [2019-10-22 08:57:21,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.66 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 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 45.06 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 934.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 934.9 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 197.82 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3702.01 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 82.64 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: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 5 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 6 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...