./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/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/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_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_float.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:18,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:13:18,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:13:18,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:13:18,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:13:18,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:13:18,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:13:18,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:13:18,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:13:18,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:13:18,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:13:18,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:13:18,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:13:18,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:13:18,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:13:18,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:13:18,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:13:18,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:13:18,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:13:18,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:13:18,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:13:18,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:13:18,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:13:18,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:13:19,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:13:19,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:13:19,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:13:19,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:13:19,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:13:19,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:13:19,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:13:19,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:13:19,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:13:19,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:13:19,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:13:19,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:13:19,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:13:19,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:13:19,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:13:19,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:13:19,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:13:19,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:13:19,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:13:19,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:13:19,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:13:19,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:13:19,022 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:13:19,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:13:19,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:13:19,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:13:19,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:13:19,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:13:19,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:13:19,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:13:19,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:13:19,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:13:19,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:13:19,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:13:19,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:13:19,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:13:19,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:13:19,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:13:19,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:13:19,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:13:19,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:13:19,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:13:19,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:13:19,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:13:19,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:13:19,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:13:19,030 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_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:19,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:13:19,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:13:19,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:13:19,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:13:19,080 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:13:19,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-16 00:13:19,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/7f7c10b3e/ff610a3f5ca34534a52968495f735cb3/FLAGc202f2b8f [2019-11-16 00:13:19,537 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:13:19,538 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-16 00:13:19,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/7f7c10b3e/ff610a3f5ca34534a52968495f735cb3/FLAGc202f2b8f [2019-11-16 00:13:19,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/7f7c10b3e/ff610a3f5ca34534a52968495f735cb3 [2019-11-16 00:13:19,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:13:19,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:13:19,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:19,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:13:19,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:13:19,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19, skipping insertion in model container [2019-11-16 00:13:19,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:13:19,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:13:19,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:19,832 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:13:19,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:19,861 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:13:19,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19 WrapperNode [2019-11-16 00:13:19,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:19,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:19,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:13:19,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:13:19,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:19,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:13:19,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:13:19,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:13:19,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... [2019-11-16 00:13:19,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:13:19,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:13:19,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:13:19,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:13:19,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:13:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:13:20,128 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:13:20,129 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:13:20,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:20 BoogieIcfgContainer [2019-11-16 00:13:20,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:13:20,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:13:20,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:13:20,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:13:20,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:13:19" (1/3) ... [2019-11-16 00:13:20,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:20, skipping insertion in model container [2019-11-16 00:13:20,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:19" (2/3) ... [2019-11-16 00:13:20,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:20, skipping insertion in model container [2019-11-16 00:13:20,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:20" (3/3) ... [2019-11-16 00:13:20,136 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-16 00:13:20,146 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:13:20,153 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:13:20,163 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:13:20,188 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:13:20,188 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:13:20,188 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:13:20,188 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:13:20,189 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:13:20,189 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:13:20,189 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:13:20,189 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:13:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-16 00:13:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-16 00:13:20,209 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:20,209 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-16 00:13:20,211 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:20,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-16 00:13:20,222 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:13:20,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426158923] [2019-11-16 00:13:20,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:20,223 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:13:20,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:13:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:13:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:13:20,305 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:13:20,305 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-16 00:13:20,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:13:20 BoogieIcfgContainer [2019-11-16 00:13:20,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:13:20,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:13:20,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:13:20,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:13:20,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:20" (3/4) ... [2019-11-16 00:13:20,323 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:13:20,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:13:20,325 INFO L168 Benchmark]: Toolchain (without parser) took 757.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:13:20,325 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-16 00:13:20,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:20,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:20,328 INFO L168 Benchmark]: Boogie Preprocessor took 16.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:20,328 INFO L168 Benchmark]: RCFGBuilder took 224.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:20,329 INFO L168 Benchmark]: TraceAbstraction took 188.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:20,329 INFO L168 Benchmark]: Witness Printer took 3.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:13:20,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -187.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 224.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 188.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 [2019-11-16 00:13:22,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:13:22,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:13:22,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:13:22,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:13:22,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:13:22,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:13:22,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:13:22,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:13:22,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:13:22,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:13:22,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:13:22,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:13:22,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:13:22,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:13:22,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:13:22,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:13:22,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:13:22,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:13:22,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:13:22,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:13:22,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:13:22,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:13:22,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:13:22,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:13:22,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:13:22,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:13:22,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:13:22,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:13:22,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:13:22,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:13:22,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:13:22,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:13:22,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:13:22,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:13:22,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:13:22,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:13:22,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:13:22,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:13:22,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:13:22,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:13:22,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 00:13:22,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:13:22,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:13:22,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:13:22,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:13:22,513 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:13:22,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:13:22,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:13:22,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:13:22,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:13:22,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:13:22,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:13:22,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:13:22,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:13:22,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:13:22,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:13:22,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:13:22,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:13:22,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:13:22,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:13:22,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:13:22,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:13:22,517 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 00:13:22,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 00:13:22,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:13:22,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 00:13:22,518 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_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:22,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:13:22,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:13:22,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:13:22,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:13:22,565 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:13:22,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/../../sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-16 00:13:22,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/877deb811/f2f13c2bdbf740e8a39732c3955ced58/FLAG98868f11f [2019-11-16 00:13:23,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:13:23,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/sv-benchmarks/c/float-benchs/Rump_float.c [2019-11-16 00:13:23,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/877deb811/f2f13c2bdbf740e8a39732c3955ced58/FLAG98868f11f [2019-11-16 00:13:23,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/data/877deb811/f2f13c2bdbf740e8a39732c3955ced58 [2019-11-16 00:13:23,035 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:13:23,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:13:23,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:23,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:13:23,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:13:23,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0d4889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23, skipping insertion in model container [2019-11-16 00:13:23,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:13:23,066 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:13:23,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:23,209 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:13:23,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:13:23,239 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:13:23,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23 WrapperNode [2019-11-16 00:13:23,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:13:23,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:23,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:13:23,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:13:23,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:13:23,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:13:23,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:13:23,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:13:23,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... [2019-11-16 00:13:23,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:13:23,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:13:23,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:13:23,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:13:23,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:13:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:13:23,521 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:13:23,521 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-16 00:13:23,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:23 BoogieIcfgContainer [2019-11-16 00:13:23,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:13:23,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:13:23,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:13:23,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:13:23,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:13:23" (1/3) ... [2019-11-16 00:13:23,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656d1e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:23, skipping insertion in model container [2019-11-16 00:13:23,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:13:23" (2/3) ... [2019-11-16 00:13:23,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656d1e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:13:23, skipping insertion in model container [2019-11-16 00:13:23,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:23" (3/3) ... [2019-11-16 00:13:23,529 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2019-11-16 00:13:23,538 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:13:23,544 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:13:23,553 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:13:23,574 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:13:23,574 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:13:23,574 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:13:23,574 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:13:23,575 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:13:23,575 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:13:23,575 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:13:23,575 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:13:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-16 00:13:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-16 00:13:23,592 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:13:23,592 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-16 00:13:23,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:13:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:13:23,597 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-16 00:13:23,604 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-16 00:13:23,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140132202] [2019-11-16 00:13:23,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/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 [2019-11-16 00:13:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:13:26,435 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-16 00:13:26,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:13:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:26,523 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-16 00:13:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:13:26,536 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140132202] [2019-11-16 00:13:26,537 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:13:26,537 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-16 00:13:26,537 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076434996] [2019-11-16 00:13:26,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:13:26,543 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-16 00:13:26,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:13:26,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:13:26,558 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-11-16 00:13:26,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:13:26,577 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-16 00:13:26,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:13:26,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-16 00:13:26,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:13:26,586 INFO L225 Difference]: With dead ends: 12 [2019-11-16 00:13:26,586 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:13:26,589 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 [2019-11-16 00:13:26,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:13:26,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:13:26,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:13:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:13:26,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-16 00:13:26,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:13:26,608 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:13:26,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:13:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:13:26,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:13:26,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-16 00:13:26,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:13:26,891 INFO L439 ceAbstractionStarter]: At program point L4-3(line 4) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-16 00:13:26,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:13:26,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:13:26,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:13:26,891 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-11-16 00:13:26,892 INFO L439 ceAbstractionStarter]: At program point L14(lines 6 15) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-16 00:13:26,893 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-11-16 00:13:26,893 INFO L443 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2019-11-16 00:13:26,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:13:26 BoogieIcfgContainer [2019-11-16 00:13:26,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:13:26,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:13:26,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:13:26,907 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:13:26,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:13:23" (3/4) ... [2019-11-16 00:13:26,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:13:26,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:13:26,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:13:26,972 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4145503a-f32a-4db7-acf4-d1125bd53f87/bin/uautomizer/witness.graphml [2019-11-16 00:13:26,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:13:26,976 INFO L168 Benchmark]: Toolchain (without parser) took 3939.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -143.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:26,976 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:13:26,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:26,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:26,983 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:26,983 INFO L168 Benchmark]: RCFGBuilder took 176.25 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. [2019-11-16 00:13:26,984 INFO L168 Benchmark]: TraceAbstraction took 3383.15 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:13:26,984 INFO L168 Benchmark]: Witness Printer took 65.41 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. [2019-11-16 00:13:26,987 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 85.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.83 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.25 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. * TraceAbstraction took 3383.15 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: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.41 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: 3.3s, 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, 2.6s 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...