./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/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/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/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 0.1.24-678e011 [2019-11-20 05:53:46,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:53:46,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:53:46,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:53:46,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:53:46,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:53:46,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:53:46,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:53:46,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:53:46,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:53:46,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:53:46,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:53:46,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:53:46,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:53:46,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:53:46,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:53:46,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:53:46,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:53:46,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:53:46,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:53:46,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:53:46,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:53:46,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:53:46,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:53:46,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:53:46,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:53:46,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:53:46,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:53:46,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:53:46,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:53:46,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:53:46,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:53:46,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:53:46,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:53:46,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:53:46,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:53:46,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:53:46,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:53:46,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:53:46,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:53:46,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:53:46,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:53:46,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:53:46,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:53:46,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:53:46,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:53:46,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:53:46,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:53:46,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:53:46,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:53:46,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:53:46,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:53:46,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:53:46,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:53:46,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:53:46,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:53:46,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:53:46,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:53:46,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:53:46,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:53:46,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:53:46,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:53:46,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:53:46,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:53:46,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:53:46,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:53:46,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:53:46,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:53:46,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:53:46,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:53:46,844 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_379870ab-7256-40d4-b367-04b0e1c3499b/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 [2019-11-20 05:53:47,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:53:47,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:53:47,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:53:47,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:53:47,013 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:53:47,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-20 05:53:47,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/fd7851b6b/47f94ed460154ee68c17ad43edf9523a/FLAG25fb9f7a6 [2019-11-20 05:53:47,445 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:53:47,445 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-20 05:53:47,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/fd7851b6b/47f94ed460154ee68c17ad43edf9523a/FLAG25fb9f7a6 [2019-11-20 05:53:47,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/fd7851b6b/47f94ed460154ee68c17ad43edf9523a [2019-11-20 05:53:47,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:53:47,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:53:47,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:53:47,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:53:47,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:53:47,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b656e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47, skipping insertion in model container [2019-11-20 05:53:47,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:53:47,490 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:53:47,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:53:47,671 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:53:47,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:53:47,811 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:53:47,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47 WrapperNode [2019-11-20 05:53:47,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:53:47,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:53:47,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:53:47,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:53:47,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:53:47,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:53:47,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:53:47,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:53:47,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... [2019-11-20 05:53:47,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:53:47,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:53:47,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:53:47,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:53:47,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/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 05:53:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:53:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:53:48,042 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:53:48,042 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 05:53:48,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:48 BoogieIcfgContainer [2019-11-20 05:53:48,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:53:48,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:53:48,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:53:48,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:53:48,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:53:47" (1/3) ... [2019-11-20 05:53:48,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ba9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:53:48, skipping insertion in model container [2019-11-20 05:53:48,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:47" (2/3) ... [2019-11-20 05:53:48,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ba9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:53:48, skipping insertion in model container [2019-11-20 05:53:48,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:48" (3/3) ... [2019-11-20 05:53:48,049 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-20 05:53:48,058 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:53:48,064 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:53:48,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:53:48,095 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:53:48,095 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:53:48,095 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:53:48,095 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:53:48,095 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:53:48,095 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:53:48,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:53:48,096 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:53:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-20 05:53:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 05:53:48,112 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:53:48,113 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 05:53:48,113 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:53:48,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:53:48,119 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 05:53:48,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:53:48,127 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712220168] [2019-11-20 05:53:48,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:53:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:53:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:53:48,245 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:53:48,245 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:53:48,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:53:48 BoogieIcfgContainer [2019-11-20 05:53:48,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:53:48,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:53:48,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:53:48,264 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:53:48,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:48" (3/4) ... [2019-11-20 05:53:48,269 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:53:48,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:53:48,272 INFO L168 Benchmark]: Toolchain (without parser) took 806.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -215.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:53:48,273 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:53:48,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -248.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:48,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:53:48,277 INFO L168 Benchmark]: Boogie Preprocessor took 14.45 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:48,278 INFO L168 Benchmark]: RCFGBuilder took 180.53 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:48,279 INFO L168 Benchmark]: TraceAbstraction took 218.94 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:48,279 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:53:48,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -248.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.45 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 180.53 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 218.94 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 0.1.24-678e011 [2019-11-20 05:53:50,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:53:50,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:53:50,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:53:50,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:53:50,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:53:50,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:53:50,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:53:50,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:53:50,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:53:50,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:53:50,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:53:50,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:53:50,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:53:50,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:53:50,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:53:50,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:53:50,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:53:50,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:53:50,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:53:50,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:53:50,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:53:50,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:53:50,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:53:50,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:53:50,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:53:50,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:53:50,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:53:50,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:53:50,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:53:50,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:53:50,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:53:50,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:53:50,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:53:50,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:53:50,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:53:50,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:53:50,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:53:50,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:53:50,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:53:50,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:53:50,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 05:53:50,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:53:50,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:53:50,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:53:50,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:53:50,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:53:50,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:53:50,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:53:50,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:53:50,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:53:50,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:53:50,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:53:50,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:53:50,297 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:53:50,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:53:50,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:53:50,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:53:50,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:53:50,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:53:50,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:53:50,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:53:50,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:53:50,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:53:50,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:53:50,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:53:50,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:53:50,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:53:50,300 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:53:50,300 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:53:50,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:53:50,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:53:50,301 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_379870ab-7256-40d4-b367-04b0e1c3499b/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 [2019-11-20 05:53:50,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:53:50,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:53:50,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:53:50,594 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:53:50,594 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:53:50,595 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-20 05:53:50,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/0845a3862/683c3963c93b4192b11f1a7fe3e33778/FLAGb121286db [2019-11-20 05:53:51,041 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:53:51,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-20 05:53:51,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/0845a3862/683c3963c93b4192b11f1a7fe3e33778/FLAGb121286db [2019-11-20 05:53:51,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/data/0845a3862/683c3963c93b4192b11f1a7fe3e33778 [2019-11-20 05:53:51,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:53:51,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:53:51,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:53:51,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:53:51,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:53:51,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e5527e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51, skipping insertion in model container [2019-11-20 05:53:51,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,508 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:53:51,525 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:53:51,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:53:51,705 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:53:51,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:53:51,745 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:53:51,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51 WrapperNode [2019-11-20 05:53:51,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:53:51,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:53:51,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:53:51,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:53:51,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:53:51,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:53:51,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:53:51,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:53:51,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... [2019-11-20 05:53:51,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:53:51,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:53:51,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:53:51,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:53:51,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/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 05:53:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:53:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:53:52,015 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:53:52,015 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 05:53:52,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:52 BoogieIcfgContainer [2019-11-20 05:53:52,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:53:52,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:53:52,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:53:52,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:53:52,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:53:51" (1/3) ... [2019-11-20 05:53:52,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51082769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:53:52, skipping insertion in model container [2019-11-20 05:53:52,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:51" (2/3) ... [2019-11-20 05:53:52,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51082769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:53:52, skipping insertion in model container [2019-11-20 05:53:52,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:52" (3/3) ... [2019-11-20 05:53:52,022 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-20 05:53:52,031 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:53:52,037 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:53:52,046 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:53:52,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:53:52,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:53:52,067 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:53:52,067 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:53:52,067 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:53:52,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:53:52,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:53:52,068 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:53:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-20 05:53:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 05:53:52,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:53:52,085 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 05:53:52,086 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:53:52,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:53:52,092 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 05:53:52,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:53:52,102 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725367341] [2019-11-20 05:53:52,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/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 [2019-11-20 05:53:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:53:55,043 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:53:55,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:53:55,131 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 05:53:55,144 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:53:55,164 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 05:53:55,165 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725367341] [2019-11-20 05:53:55,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:53:55,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 05:53:55,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388086010] [2019-11-20 05:53:55,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:53:55,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:53:55,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:53:55,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:53:55,185 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-11-20 05:53:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:53:55,205 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-20 05:53:55,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:53:55,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 05:53:55,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:53:55,213 INFO L225 Difference]: With dead ends: 12 [2019-11-20 05:53:55,213 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:53:55,215 INFO L630 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 [2019-11-20 05:53:55,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:53:55,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:53:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:53:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:53:55,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 05:53:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:53:55,237 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:53:55,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:53:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:53:55,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:53:55,461 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 05:53:55,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:53:55,513 INFO L440 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:53:55,513 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:53:55,513 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:53:55,514 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:53:55,514 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-20 05:53:55,514 INFO L440 ceAbstractionStarter]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 05:53:55,514 INFO L444 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-20 05:53:55,514 INFO L444 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-20 05:53:55,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:53:55 BoogieIcfgContainer [2019-11-20 05:53:55,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:53:55,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:53:55,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:53:55,525 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:53:55,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:52" (3/4) ... [2019-11-20 05:53:55,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:53:55,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:53:55,536 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:53:55,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_379870ab-7256-40d4-b367-04b0e1c3499b/bin/uautomizer/witness.graphml [2019-11-20 05:53:55,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:53:55,572 INFO L168 Benchmark]: Toolchain (without parser) took 4078.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:55,572 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:53:55,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.72 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:55,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:55,575 INFO L168 Benchmark]: Boogie Preprocessor took 25.19 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 05:53:55,575 INFO L168 Benchmark]: RCFGBuilder took 170.47 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:55,576 INFO L168 Benchmark]: TraceAbstraction took 3507.29 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:53:55,576 INFO L168 Benchmark]: Witness Printer took 45.05 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 05:53:55,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.72 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 945.7 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 73.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.19 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. * RCFGBuilder took 170.47 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3507.29 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.05 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: 3.4s, 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, 2.7s 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...