./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 ....................................................................................................................................................................................................................................... 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_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/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 c7e8599fcf8ca7782d4a65a178418147eb6f2593 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:55:38,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:55:38,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:55:38,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:55:38,942 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:55:38,943 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:55:38,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:55:38,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:55:38,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:55:38,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:55:38,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:55:38,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:55:38,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:55:38,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:55:38,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:55:38,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:55:38,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:55:38,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:55:38,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:55:38,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:55:38,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:55:38,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:55:38,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:55:38,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:55:38,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:55:38,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:55:38,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:55:38,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:55:38,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:55:38,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:55:38,961 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:55:38,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:55:38,961 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:55:38,961 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:55:38,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:55:38,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:55:38,962 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:55:38,973 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:55:38,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:55:38,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:55:38,973 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:55:38,974 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:55:38,974 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:55:38,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:55:38,975 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:55:38,975 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:55:38,975 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:55:38,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:55:38,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:55:38,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:55:38,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:55:38,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:55:38,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:55:38,977 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_e86c83c1-70c5-4972-856c-528086262a3b/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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-12-09 12:55:39,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:55:39,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:55:39,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:55:39,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:55:39,013 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:55:39,014 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-09 12:55:39,053 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/364d41aef/e8d7e84e56e64d42894f89791966d813/FLAG5f67f7d84 [2018-12-09 12:55:39,349 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:55:39,349 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-09 12:55:39,353 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/364d41aef/e8d7e84e56e64d42894f89791966d813/FLAG5f67f7d84 [2018-12-09 12:55:39,362 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/364d41aef/e8d7e84e56e64d42894f89791966d813 [2018-12-09 12:55:39,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:55:39,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:55:39,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:39,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:55:39,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:55:39,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49089258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39, skipping insertion in model container [2018-12-09 12:55:39,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:55:39,384 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:55:39,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:39,477 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:55:39,489 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:39,497 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:55:39,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39 WrapperNode [2018-12-09 12:55:39,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:39,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:39,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:55:39,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:55:39,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:39,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:55:39,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:55:39,510 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:55:39,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... [2018-12-09 12:55:39,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:55:39,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:55:39,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:55:39,554 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:55:39,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/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 [2018-12-09 12:55:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:55:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:55:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:55:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:55:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:55:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:55:39,753 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:55:39,753 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 12:55:39,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:39 BoogieIcfgContainer [2018-12-09 12:55:39,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:55:39,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:55:39,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:55:39,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:55:39,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:55:39" (1/3) ... [2018-12-09 12:55:39,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55427537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:39, skipping insertion in model container [2018-12-09 12:55:39,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:39" (2/3) ... [2018-12-09 12:55:39,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55427537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:39, skipping insertion in model container [2018-12-09 12:55:39,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:39" (3/3) ... [2018-12-09 12:55:39,758 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-12-09 12:55:39,764 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:55:39,768 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-12-09 12:55:39,776 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-12-09 12:55:39,797 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:55:39,797 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:55:39,797 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:55:39,797 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:55:39,797 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:55:39,797 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:55:39,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:55:39,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:55:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-09 12:55:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 12:55:39,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:55:39,813 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-09 12:55:39,815 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:55:39,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:55:39,818 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-12-09 12:55:39,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:55:39,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:55:39,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:55:39,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:55:39,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:55:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:55:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:55:39,864 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:55:39,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:55:39 BoogieIcfgContainer [2018-12-09 12:55:39,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:55:39,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:55:39,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:55:39,873 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:55:39,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:39" (3/4) ... [2018-12-09 12:55:39,876 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 12:55:39,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:55:39,876 INFO L168 Benchmark]: Toolchain (without parser) took 512.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -75.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,877 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 12:55:39,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.31 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 945.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.32 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,878 INFO L168 Benchmark]: Boogie Preprocessor took 44.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,879 INFO L168 Benchmark]: RCFGBuilder took 199.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,879 INFO L168 Benchmark]: TraceAbstraction took 119.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:39,879 INFO L168 Benchmark]: Witness Printer took 2.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:55:39,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 132.31 ms. Allocated memory is still 1.0 GB. Free memory was 957.8 MB in the beginning and 945.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.32 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 940.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 7. Possible FailurePath: [L7] COND TRUE !(1.0!=2.0) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. UNSAFE Result, 0.0s 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=117occurred 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, 6 NumberOfCodeBlocks, 6 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 0.1.23-635dfa2 [2018-12-09 12:55:41,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:55:41,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:55:41,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:55:41,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:55:41,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:55:41,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:55:41,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:55:41,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:55:41,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:55:41,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:55:41,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:55:41,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:55:41,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:55:41,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:55:41,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:55:41,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:55:41,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:55:41,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:55:41,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:55:41,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:55:41,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:55:41,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:55:41,213 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:55:41,213 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:55:41,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:55:41,214 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:55:41,214 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:55:41,215 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:55:41,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:55:41,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:55:41,216 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:55:41,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:55:41,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:55:41,216 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:55:41,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:55:41,217 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 12:55:41,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:55:41,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:55:41,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:55:41,227 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:55:41,228 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:55:41,228 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:55:41,228 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:55:41,228 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:55:41,228 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:55:41,228 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:55:41,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:55:41,229 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:55:41,229 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:55:41,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:55:41,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:55:41,231 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:55:41,231 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:55:41,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:55:41,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:55:41,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:55:41,231 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:55:41,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:55:41,232 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:55:41,232 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:55:41,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:55:41,232 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 12:55:41,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:55:41,233 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:55:41,233 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:55:41,233 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_e86c83c1-70c5-4972-856c-528086262a3b/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 -> c7e8599fcf8ca7782d4a65a178418147eb6f2593 [2018-12-09 12:55:41,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:55:41,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:55:41,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:55:41,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:55:41,267 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:55:41,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-09 12:55:41,301 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/4c4e35307/93c5132553714d659a6da7c6fb30f883/FLAG9f34d9879 [2018-12-09 12:55:41,662 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:55:41,662 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/sv-benchmarks/c/floats-cbmc-regression/float6_true-unreach-call_true-termination.i [2018-12-09 12:55:41,666 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/4c4e35307/93c5132553714d659a6da7c6fb30f883/FLAG9f34d9879 [2018-12-09 12:55:42,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/data/4c4e35307/93c5132553714d659a6da7c6fb30f883 [2018-12-09 12:55:42,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:55:42,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:55:42,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:42,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:55:42,044 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:55:42,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b45ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42, skipping insertion in model container [2018-12-09 12:55:42,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:55:42,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:55:42,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:42,166 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:55:42,182 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:42,193 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:55:42,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42 WrapperNode [2018-12-09 12:55:42,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:42,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:42,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:55:42,195 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:55:42,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:42,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:55:42,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:55:42,209 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:55:42,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... [2018-12-09 12:55:42,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:55:42,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:55:42,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:55:42,227 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:55:42,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/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 [2018-12-09 12:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:55:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:55:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:55:42,484 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:55:42,484 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 12:55:42,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:42 BoogieIcfgContainer [2018-12-09 12:55:42,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:55:42,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:55:42,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:55:42,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:55:42,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:55:42" (1/3) ... [2018-12-09 12:55:42,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b82a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:42, skipping insertion in model container [2018-12-09 12:55:42,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:42" (2/3) ... [2018-12-09 12:55:42,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b82a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:42, skipping insertion in model container [2018-12-09 12:55:42,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:42" (3/3) ... [2018-12-09 12:55:42,490 INFO L112 eAbstractionObserver]: Analyzing ICFG float6_true-unreach-call_true-termination.i [2018-12-09 12:55:42,495 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:55:42,500 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2018-12-09 12:55:42,508 INFO L257 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2018-12-09 12:55:42,526 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:55:42,526 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:55:42,526 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:55:42,526 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:55:42,527 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:55:42,527 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:55:42,527 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:55:42,527 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:55:42,527 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:55:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-12-09 12:55:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 12:55:42,542 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:55:42,542 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-12-09 12:55:42,544 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:55:42,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:55:42,547 INFO L82 PathProgramCache]: Analyzing trace with hash 723612477, now seen corresponding path program 1 times [2018-12-09 12:55:42,549 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 12:55:42,549 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 12:55:42,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:55:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:42,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:55:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:42,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:55:42,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:55:42,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:55:42,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:55:42,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:55:42,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:55:42,601 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-12-09 12:55:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:55:42,619 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2018-12-09 12:55:42,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:55:42,620 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-12-09 12:55:42,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:55:42,625 INFO L225 Difference]: With dead ends: 185 [2018-12-09 12:55:42,625 INFO L226 Difference]: Without dead ends: 69 [2018-12-09 12:55:42,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:55:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-09 12:55:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-09 12:55:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-09 12:55:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 68 transitions. [2018-12-09 12:55:42,651 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 68 transitions. Word has length 6 [2018-12-09 12:55:42,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:55:42,652 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 68 transitions. [2018-12-09 12:55:42,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:55:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2018-12-09 12:55:42,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:55:42,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:55:42,653 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:55:42,654 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:55:42,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:55:42,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1984689679, now seen corresponding path program 1 times [2018-12-09 12:55:42,655 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 12:55:42,655 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 12:55:42,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:55:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:42,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:55:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:42,703 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 12:55:42,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:55:42,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:55:42,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:55:42,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:55:42,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:55:42,711 INFO L87 Difference]: Start difference. First operand 69 states and 68 transitions. Second operand 3 states. [2018-12-09 12:55:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:55:42,763 INFO L93 Difference]: Finished difference Result 69 states and 68 transitions. [2018-12-09 12:55:42,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:55:42,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-12-09 12:55:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:55:42,763 INFO L225 Difference]: With dead ends: 69 [2018-12-09 12:55:42,764 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:55:42,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:55:42,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:55:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:55:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:55:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:55:42,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-09 12:55:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:55:42,765 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:55:42,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:55:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:55:42,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:55:42,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:55:42,796 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 12:55:42,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:55:42,796 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:55:42,796 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 12:55:42,797 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 4 48) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed. [2018-12-09 12:55:42,797 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 45) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-12-09 12:55:42,798 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 41) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,799 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L40-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2018-12-09 12:55:42,800 INFO L448 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L43-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-12-09 12:55:42,801 INFO L448 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L44-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-09 12:55:42,802 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 4 48) the Hoare annotation is: true [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L30-3(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L47(line 47) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 4 48) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L31-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,803 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-12-09 12:55:42,804 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 5 48) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-12-09 12:55:42,805 INFO L448 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-12-09 12:55:42,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:55:42 BoogieIcfgContainer [2018-12-09 12:55:42,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:55:42,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:55:42,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:55:42,808 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:55:42,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:42" (3/4) ... [2018-12-09 12:55:42,810 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:55:42,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:55:42,815 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:55:42,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 12:55:42,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:55:42,820 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:55:42,861 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e86c83c1-70c5-4972-856c-528086262a3b/bin-2019/utaipan/witness.graphml [2018-12-09 12:55:42,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:55:42,863 INFO L168 Benchmark]: Toolchain (without parser) took 822.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -97.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,864 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:55:42,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.27 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,865 INFO L168 Benchmark]: Boogie Preprocessor took 17.38 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:55:42,865 INFO L168 Benchmark]: RCFGBuilder took 258.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,865 INFO L168 Benchmark]: TraceAbstraction took 322.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,865 INFO L168 Benchmark]: Witness Printer took 53.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:42,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 14.27 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.38 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 258.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 322.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * Witness Printer took 53.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 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: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 45]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 14]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 46]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 40]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 41]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 35]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 117 locations, 36 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 17 SDslu, 22 SDs, 0 SdLazy, 17 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 2 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...