./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/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 0165a55c46ef5a57261b602c26894979b70d9ffe ......................................................................................................................................................................................................................................... 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_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/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 0165a55c46ef5a57261b602c26894979b70d9ffe ........................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:22:11,212 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:22:11,213 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:22:11,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:22:11,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:22:11,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:22:11,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:22:11,227 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:22:11,229 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:22:11,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:22:11,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:22:11,232 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:22:11,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:22:11,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:22:11,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:22:11,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:22:11,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:22:11,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:22:11,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:22:11,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:22:11,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:22:11,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:22:11,245 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:22:11,245 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:22:11,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:22:11,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:22:11,247 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:22:11,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:22:11,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:22:11,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:22:11,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:22:11,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:22:11,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:22:11,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:22:11,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:22:11,252 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:22:11,253 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:22:11,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:22:11,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:22:11,269 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:22:11,269 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:22:11,270 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:22:11,270 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:22:11,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:22:11,271 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:22:11,271 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:22:11,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:22:11,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:22:11,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:22:11,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:22:11,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:22:11,273 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:22:11,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:11,273 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:22:11,274 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:22:11,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:22:11,275 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:22:11,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:22:11,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:22:11,276 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:22:11,276 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_155d0cb6-9692-4a80-a329-d2ddbb44d953/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-10-26 21:22:11,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:22:11,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:22:11,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:22:11,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:22:11,330 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:22:11,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:11,392 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/b5080b8ee/03be79fd097a4e53a7c25b9a48570f0b/FLAGd606089e1 [2018-10-26 21:22:11,761 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:22:11,762 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:11,768 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/b5080b8ee/03be79fd097a4e53a7c25b9a48570f0b/FLAGd606089e1 [2018-10-26 21:22:11,779 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/b5080b8ee/03be79fd097a4e53a7c25b9a48570f0b [2018-10-26 21:22:11,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:22:11,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:22:11,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:11,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:22:11,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:22:11,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76955b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11, skipping insertion in model container [2018-10-26 21:22:11,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:22:11,818 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:22:11,940 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:11,943 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:22:11,955 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:11,968 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:22:11,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11 WrapperNode [2018-10-26 21:22:11,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:11,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:11,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:22:11,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:22:11,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:11,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:22:11,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:22:11,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:22:11,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:11,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:12,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:12,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... [2018-10-26 21:22:12,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:22:12,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:22:12,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:22:12,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:22:12,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:22:12,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:22:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:22:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:22:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:22:12,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:22:12,317 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:22:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:12 BoogieIcfgContainer [2018-10-26 21:22:12,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:22:12,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:22:12,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:22:12,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:22:12,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:22:11" (1/3) ... [2018-10-26 21:22:12,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecba004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:12, skipping insertion in model container [2018-10-26 21:22:12,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:11" (2/3) ... [2018-10-26 21:22:12,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ecba004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:12, skipping insertion in model container [2018-10-26 21:22:12,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:12" (3/3) ... [2018-10-26 21:22:12,326 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:12,346 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:22:12,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:22:12,370 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:22:12,408 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:22:12,409 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:22:12,409 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:22:12,409 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:22:12,409 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:22:12,409 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:22:12,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:22:12,410 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:22:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-10-26 21:22:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 21:22:12,439 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:22:12,440 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:22:12,443 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:22:12,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:22:12,452 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-10-26 21:22:12,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:22:12,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:22:12,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:22:12,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:22:12,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:22:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:22:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:22:12,554 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:22:12,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:22:12 BoogieIcfgContainer [2018-10-26 21:22:12,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:22:12,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:22:12,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:22:12,580 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:22:12,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:12" (3/4) ... [2018-10-26 21:22:12,585 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 21:22:12,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:22:12,588 INFO L168 Benchmark]: Toolchain (without parser) took 805.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:12,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:12,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.40 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 951.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:12,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.68 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:12,595 INFO L168 Benchmark]: Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:12,596 INFO L168 Benchmark]: RCFGBuilder took 315.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:12,598 INFO L168 Benchmark]: TraceAbstraction took 260.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:12,599 INFO L168 Benchmark]: Witness Printer took 7.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:12,603 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.40 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 951.6 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 18.68 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.0 GB. Free memory is still 951.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 315.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 260.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 VAL [i=1] [L10] __VERIFIER_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:22:14,672 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:22:14,674 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:22:14,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:22:14,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:22:14,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:22:14,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:22:14,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:22:14,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:22:14,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:22:14,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:22:14,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:22:14,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:22:14,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:22:14,692 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:22:14,693 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:22:14,693 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:22:14,695 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:22:14,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:22:14,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:22:14,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:22:14,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:22:14,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:22:14,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:22:14,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:22:14,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:22:14,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:22:14,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:22:14,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:22:14,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:22:14,707 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:22:14,708 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:22:14,708 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:22:14,708 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:22:14,709 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:22:14,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:22:14,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 21:22:14,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:22:14,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:22:14,724 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:22:14,724 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:22:14,724 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:22:14,725 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:22:14,725 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:22:14,725 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:22:14,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:22:14,727 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:22:14,728 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 21:22:14,728 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 21:22:14,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:22:14,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:22:14,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:22:14,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:22:14,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:22:14,729 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:22:14,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:22:14,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:14,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:22:14,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:22:14,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:22:14,731 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 21:22:14,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:22:14,731 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 21:22:14,731 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 21:22:14,731 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_155d0cb6-9692-4a80-a329-d2ddbb44d953/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-10-26 21:22:14,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:22:14,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:22:14,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:22:14,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:22:14,789 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:22:14,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:14,832 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/62d52db1a/afc190d658d04258ba47c465598ebbef/FLAG89c141523 [2018-10-26 21:22:15,201 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:22:15,201 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:15,207 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/62d52db1a/afc190d658d04258ba47c465598ebbef/FLAG89c141523 [2018-10-26 21:22:15,218 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/data/62d52db1a/afc190d658d04258ba47c465598ebbef [2018-10-26 21:22:15,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:22:15,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:22:15,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:15,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:22:15,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:22:15,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38443206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15, skipping insertion in model container [2018-10-26 21:22:15,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:22:15,256 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:22:15,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:15,433 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:22:15,449 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:22:15,462 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:22:15,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15 WrapperNode [2018-10-26 21:22:15,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:22:15,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:15,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:22:15,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:22:15,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:22:15,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:22:15,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:22:15,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:22:15,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,495 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... [2018-10-26 21:22:15,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:22:15,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:22:15,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:22:15,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:22:15,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:22:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:22:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:22:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:22:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:22:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:22:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:22:15,733 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:22:15,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:15 BoogieIcfgContainer [2018-10-26 21:22:15,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:22:15,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:22:15,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:22:15,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:22:15,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:22:15" (1/3) ... [2018-10-26 21:22:15,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee373a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:15, skipping insertion in model container [2018-10-26 21:22:15,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:22:15" (2/3) ... [2018-10-26 21:22:15,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee373a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:22:15, skipping insertion in model container [2018-10-26 21:22:15,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:15" (3/3) ... [2018-10-26 21:22:15,741 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-10-26 21:22:15,748 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:22:15,755 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:22:15,770 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:22:15,799 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:22:15,800 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:22:15,800 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:22:15,800 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:22:15,800 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:22:15,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:22:15,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:22:15,801 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:22:15,801 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:22:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-10-26 21:22:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 21:22:15,822 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:22:15,823 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:22:15,825 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:22:15,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:22:15,831 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-10-26 21:22:15,834 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 21:22:15,835 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 21:22:15,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:22:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:22:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:22:15,899 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:22:15,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:22:15 BoogieIcfgContainer [2018-10-26 21:22:15,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:22:15,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:22:15,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:22:15,926 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:22:15,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:22:15" (3/4) ... [2018-10-26 21:22:15,929 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:22:15,990 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_155d0cb6-9692-4a80-a329-d2ddbb44d953/bin-2019/utaipan/witness.graphml [2018-10-26 21:22:15,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:22:15,993 INFO L168 Benchmark]: Toolchain (without parser) took 771.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:15,995 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:15,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.09 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:15,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.60 ms. Allocated memory is still 1.0 GB. Free memory is still 943.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:15,997 INFO L168 Benchmark]: Boogie Preprocessor took 17.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:16,010 INFO L168 Benchmark]: RCFGBuilder took 233.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 938.5 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:16,011 INFO L168 Benchmark]: TraceAbstraction took 191.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:16,011 INFO L168 Benchmark]: Witness Printer took 66.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:16,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 239.09 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.60 ms. Allocated memory is still 1.0 GB. Free memory is still 943.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.9 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 233.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 938.5 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 191.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Witness Printer took 66.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; VAL [f=1.0, i=1] [L6] COND TRUE i == 1 VAL [f=1.0, i=1] [L10] __VERIFIER_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 7 NumberOfCodeBlocks, 7 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 proved your program to be incorrect! Received shutdown request...