./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:26:39,884 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:26:39,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:26:39,899 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:26:39,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:26:39,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:26:39,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:26:39,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:26:39,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:26:39,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:26:39,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:26:39,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:26:39,904 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:26:39,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:26:39,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:26:39,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:26:39,916 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:26:39,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:26:39,918 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:26:39,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:26:39,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:26:39,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:26:39,926 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:26:39,927 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:26:39,927 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:26:39,928 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:26:39,928 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:26:39,929 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:26:39,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:26:39,930 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:26:39,930 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:26:39,934 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:26:39,934 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:26:39,934 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:26:39,935 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:26:39,936 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:26:39,937 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:26:39,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:26:39,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:26:39,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:26:39,951 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:26:39,951 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:26:39,951 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:26:39,951 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:26:39,951 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:26:39,952 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:26:39,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:26:39,952 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:26:39,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:26:39,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:26:39,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:26:39,955 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:26:39,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:26:39,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:26:39,956 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:26:39,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:26:39,956 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:26:39,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:26:39,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:26:39,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:26:39,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:26:39,957 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan 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 -> Taipan 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-10-26 19:26:39,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:26:39,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:26:39,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:26:40,001 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:26:40,001 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:26:40,002 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:40,051 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/70d0b1bfc/edae35bfcc0940f28fa0796166c6939b/FLAGc16f42ff6 [2018-10-26 19:26:40,411 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:26:40,412 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:40,417 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/70d0b1bfc/edae35bfcc0940f28fa0796166c6939b/FLAGc16f42ff6 [2018-10-26 19:26:40,426 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/70d0b1bfc/edae35bfcc0940f28fa0796166c6939b [2018-10-26 19:26:40,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:26:40,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:26:40,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:40,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:26:40,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:26:40,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4056034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40, skipping insertion in model container [2018-10-26 19:26:40,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:26:40,463 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:26:40,573 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:40,575 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:26:40,584 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:40,594 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:26:40,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40 WrapperNode [2018-10-26 19:26:40,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:40,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:40,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:26:40,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:26:40,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:40,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:26:40,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:26:40,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:26:40,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... [2018-10-26 19:26:40,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:26:40,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:26:40,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:26:40,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:26:40,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/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 [2018-10-26 19:26:40,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:26:40,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:26:40,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:26:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:26:40,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:26:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:26:40,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 19:26:40,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 19:26:40,998 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:26:40,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:40 BoogieIcfgContainer [2018-10-26 19:26:40,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:26:41,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:26:41,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:26:41,003 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:26:41,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:26:40" (1/3) ... [2018-10-26 19:26:41,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b97256d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:26:41, skipping insertion in model container [2018-10-26 19:26:41,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:40" (2/3) ... [2018-10-26 19:26:41,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b97256d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:26:41, skipping insertion in model container [2018-10-26 19:26:41,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:40" (3/3) ... [2018-10-26 19:26:41,008 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:41,017 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:26:41,025 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:26:41,042 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:26:41,077 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:26:41,077 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:26:41,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:26:41,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:26:41,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:26:41,078 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:26:41,078 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:26:41,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:26:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-26 19:26:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:26:41,107 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:26:41,108 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:26:41,110 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:26:41,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:26:41,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-10-26 19:26:41,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:26:41,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:26:41,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:26:41,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:26:41,162 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:26:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:26:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:26:41,207 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:26:41,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:26:41 BoogieIcfgContainer [2018-10-26 19:26:41,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:26:41,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:26:41,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:26:41,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:26:41,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:40" (3/4) ... [2018-10-26 19:26:41,236 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:26:41,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:26:41,237 INFO L168 Benchmark]: Toolchain (without parser) took 807.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:41,239 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:41,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:41,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:41,241 INFO L168 Benchmark]: Boogie Preprocessor took 16.64 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:41,241 INFO L168 Benchmark]: RCFGBuilder took 367.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:41,242 INFO L168 Benchmark]: TraceAbstraction took 229.26 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: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:41,243 INFO L168 Benchmark]: Witness Printer took 6.53 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. [2018-10-26 19:26:41,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.14 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.37 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.64 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 367.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 229.26 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: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.53 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-10-26 19:26:43,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:26:43,012 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:26:43,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:26:43,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:26:43,026 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:26:43,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:26:43,029 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:26:43,030 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:26:43,031 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:26:43,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:26:43,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:26:43,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:26:43,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:26:43,034 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:26:43,035 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:26:43,036 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:26:43,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:26:43,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:26:43,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:26:43,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:26:43,042 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:26:43,044 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:26:43,044 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:26:43,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:26:43,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:26:43,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:26:43,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:26:43,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:26:43,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:26:43,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:26:43,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:26:43,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:26:43,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:26:43,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:26:43,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:26:43,051 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 19:26:43,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:26:43,069 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:26:43,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:26:43,069 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:26:43,072 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:26:43,072 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:26:43,072 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:26:43,073 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:26:43,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:26:43,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:26:43,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:26:43,074 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:26:43,075 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:26:43,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:26:43,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:26:43,076 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan 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 -> Taipan 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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-10-26 19:26:43,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:26:43,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:26:43,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:26:43,142 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:26:43,143 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:26:43,143 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:43,182 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/445b7a41e/89037e2e3baf4e1d8d70d37f19fbcaf4/FLAG763dbe6a0 [2018-10-26 19:26:43,549 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:26:43,551 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:43,558 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/445b7a41e/89037e2e3baf4e1d8d70d37f19fbcaf4/FLAG763dbe6a0 [2018-10-26 19:26:43,573 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/data/445b7a41e/89037e2e3baf4e1d8d70d37f19fbcaf4 [2018-10-26 19:26:43,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:26:43,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:26:43,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:43,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:26:43,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:26:43,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f662ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43, skipping insertion in model container [2018-10-26 19:26:43,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:26:43,618 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:26:43,768 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:43,774 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:26:43,788 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:26:43,801 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:26:43,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43 WrapperNode [2018-10-26 19:26:43,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:26:43,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:43,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:26:43,803 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:26:43,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:26:43,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:26:43,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:26:43,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:26:43,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... [2018-10-26 19:26:43,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:26:43,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:26:43,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:26:43,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:26:43,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/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 [2018-10-26 19:26:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:26:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:26:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:26:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:26:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:26:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:26:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 19:26:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 19:26:44,198 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:26:44,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:44 BoogieIcfgContainer [2018-10-26 19:26:44,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:26:44,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:26:44,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:26:44,203 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:26:44,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:26:43" (1/3) ... [2018-10-26 19:26:44,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2470a69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:26:44, skipping insertion in model container [2018-10-26 19:26:44,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:26:43" (2/3) ... [2018-10-26 19:26:44,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2470a69e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:26:44, skipping insertion in model container [2018-10-26 19:26:44,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:44" (3/3) ... [2018-10-26 19:26:44,207 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-10-26 19:26:44,216 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:26:44,222 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:26:44,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:26:44,262 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:26:44,262 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:26:44,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:26:44,263 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:26:44,263 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:26:44,263 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:26:44,263 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:26:44,263 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:26:44,263 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:26:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-26 19:26:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:26:44,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:26:44,284 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:26:44,287 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:26:44,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:26:44,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-10-26 19:26:44,296 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:26:44,297 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 19:26:44,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 19:26:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:26:44,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:26:44,555 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-26 19:26:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:26:45,028 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:26:45,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:26:45,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:26:45,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:26:45,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:26:45,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:26:45,050 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-10-26 19:26:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:26:45,471 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-10-26 19:26:45,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:26:45,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-10-26 19:26:45,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:26:45,486 INFO L225 Difference]: With dead ends: 28 [2018-10-26 19:26:45,486 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:26:45,489 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:26:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:26:45,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:26:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:26:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:26:45,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-10-26 19:26:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:26:45,511 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:26:45,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:26:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:26:45,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:26:45,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:26:45,672 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-10-26 19:26:45,674 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 19:26:45,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:26:45,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:26:45,674 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 19:26:45,674 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:26:45,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:26:45,675 INFO L421 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq ((_ to_fp 11 53) RNE main_~x~0) (fp.neg ((_ to_fp 11 53) RNE 10000000000.0))) [2018-10-26 19:26:45,675 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-10-26 19:26:45,675 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-10-26 19:26:45,675 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-10-26 19:26:45,675 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-10-26 19:26:45,675 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-10-26 19:26:45,675 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-10-26 19:26:45,675 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-10-26 19:26:45,676 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-10-26 19:26:45,676 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-10-26 19:26:45,676 INFO L425 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-10-26 19:26:45,676 INFO L425 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-10-26 19:26:45,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:26:45 BoogieIcfgContainer [2018-10-26 19:26:45,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:26:45,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:26:45,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:26:45,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:26:45,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:26:44" (3/4) ... [2018-10-26 19:26:45,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:26:45,693 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:26:45,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:26:45,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 19:26:45,697 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 19:26:45,699 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:26:45,699 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:26:45,737 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_32b462b9-8dab-4247-bff6-ce24ddfef1d0/bin-2019/utaipan/witness.graphml [2018-10-26 19:26:45,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:26:45,738 INFO L168 Benchmark]: Toolchain (without parser) took 2158.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:45,740 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:45,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.25 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 942.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:45,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:26:45,743 INFO L168 Benchmark]: Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:45,743 INFO L168 Benchmark]: RCFGBuilder took 352.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -220.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:45,746 INFO L168 Benchmark]: TraceAbstraction took 1481.65 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:26:45,746 INFO L168 Benchmark]: Witness Printer took 55.38 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. [2018-10-26 19:26:45,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.25 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 942.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.29 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 937.1 MB in the beginning and 1.2 GB in the end (delta: -220.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1481.65 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: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 13 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...