./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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:29:59,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:29:59,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:29:59,270 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:29:59,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:29:59,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:29:59,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:29:59,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:29:59,275 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:29:59,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:29:59,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:29:59,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:29:59,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:29:59,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:29:59,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:29:59,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:29:59,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:29:59,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:29:59,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:29:59,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:29:59,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:29:59,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:29:59,289 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:29:59,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:29:59,290 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:29:59,291 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:29:59,292 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:29:59,292 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:29:59,293 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:29:59,294 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:29:59,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:29:59,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:29:59,295 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:29:59,295 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:29:59,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:29:59,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:29:59,297 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:29:59,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:29:59,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:29:59,310 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:29:59,310 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:29:59,310 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:29:59,310 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:29:59,310 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:29:59,311 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:29:59,311 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:29:59,311 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:29:59,311 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:29:59,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:29:59,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:29:59,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:29:59,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:29:59,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:29:59,313 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:29:59,313 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:29:59,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:29:59,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:29:59,315 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:29:59,316 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:29:59,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:29:59,316 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:29:59,316 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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:29:59,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:29:59,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:29:59,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:29:59,352 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:29:59,353 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:29:59,353 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:29:59,393 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/90cc2d073/0428dc5366014477bc8ef296791774f4/FLAG08371c740 [2018-11-10 04:29:59,743 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:29:59,744 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:29:59,747 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/90cc2d073/0428dc5366014477bc8ef296791774f4/FLAG08371c740 [2018-11-10 04:29:59,758 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/90cc2d073/0428dc5366014477bc8ef296791774f4 [2018-11-10 04:29:59,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:29:59,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:29:59,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:29:59,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:29:59,765 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:29:59,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb581ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59, skipping insertion in model container [2018-11-10 04:29:59,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:29:59,789 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:29:59,897 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:29:59,901 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:29:59,913 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:29:59,921 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:29:59,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59 WrapperNode [2018-11-10 04:29:59,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:29:59,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:29:59,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:29:59,922 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:29:59,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:29:59,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:29:59,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:29:59,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:29:59,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... [2018-11-10 04:29:59,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:29:59,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:29:59,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:29:59,947 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:29:59,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:30:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:30:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:30:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:30:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:30:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:30:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:30:00,103 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:30:00,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:00 BoogieIcfgContainer [2018-11-10 04:30:00,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:30:00,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:30:00,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:30:00,106 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:30:00,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:29:59" (1/3) ... [2018-11-10 04:30:00,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262fad71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:00, skipping insertion in model container [2018-11-10 04:30:00,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:29:59" (2/3) ... [2018-11-10 04:30:00,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262fad71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:00, skipping insertion in model container [2018-11-10 04:30:00,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:00" (3/3) ... [2018-11-10 04:30:00,108 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:30:00,114 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:30:00,119 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:30:00,128 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:30:00,148 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:30:00,149 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:30:00,149 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:30:00,149 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:30:00,149 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:30:00,149 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:30:00,149 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:30:00,149 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:30:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-10 04:30:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:30:00,164 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:00,165 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:30:00,166 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:00,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:00,171 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-10 04:30:00,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:30:00,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:00,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:00,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:30:00,209 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:30:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:30:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:30:00,239 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:30:00,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:30:00 BoogieIcfgContainer [2018-11-10 04:30:00,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:30:00,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:30:00,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:30:00,255 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:30:00,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:00" (3/4) ... [2018-11-10 04:30:00,258 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:30:00,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:30:00,259 INFO L168 Benchmark]: Toolchain (without parser) took 498.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:00,260 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:00,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 946.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:00,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.78 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:00,262 INFO L168 Benchmark]: Boogie Preprocessor took 11.82 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:00,263 INFO L168 Benchmark]: RCFGBuilder took 156.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:00,263 INFO L168 Benchmark]: TraceAbstraction took 150.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:00,264 INFO L168 Benchmark]: Witness Printer took 3.79 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. [2018-11-10 04:30:00,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 946.4 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 12.78 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.82 ms. Allocated memory is still 1.0 GB. Free memory was 946.4 MB in the beginning and 941.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 156.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 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 [2018-11-10 04:30:01,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:30:01,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:30:01,871 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:30:01,871 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:30:01,872 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:30:01,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:30:01,874 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:30:01,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:30:01,876 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:30:01,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:30:01,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:30:01,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:30:01,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:30:01,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:30:01,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:30:01,881 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:30:01,882 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:30:01,884 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:30:01,885 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:30:01,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:30:01,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:30:01,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:30:01,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:30:01,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:30:01,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:30:01,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:30:01,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:30:01,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:30:01,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:30:01,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:30:01,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:30:01,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:30:01,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:30:01,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:30:01,895 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:30:01,895 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 04:30:01,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:30:01,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:30:01,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:30:01,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:30:01,908 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:30:01,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:30:01,908 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:30:01,908 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:30:01,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:30:01,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:30:01,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:30:01,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:30:01,909 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:30:01,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:30:01,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:30:01,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:30:01,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:30:01,911 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:30:01,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:30:01,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:30:01,912 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:30:01,913 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_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:30:01,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:30:01,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:30:01,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:30:01,959 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:30:01,959 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:30:01,960 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:30:02,003 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/a6f897488/6840a5dce5ae488a90ec4b84031cf8fd/FLAG326873252 [2018-11-10 04:30:02,335 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:30:02,336 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:30:02,340 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/a6f897488/6840a5dce5ae488a90ec4b84031cf8fd/FLAG326873252 [2018-11-10 04:30:02,348 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/data/a6f897488/6840a5dce5ae488a90ec4b84031cf8fd [2018-11-10 04:30:02,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:30:02,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:30:02,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:02,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:30:02,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:30:02,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629197e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02, skipping insertion in model container [2018-11-10 04:30:02,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:30:02,382 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:30:02,496 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:02,502 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:30:02,514 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:30:02,528 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:30:02,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02 WrapperNode [2018-11-10 04:30:02,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:30:02,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:02,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:30:02,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:30:02,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:30:02,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:30:02,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:30:02,551 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:30:02,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... [2018-11-10 04:30:02,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:30:02,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:30:02,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:30:02,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:30:02,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:30:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:30:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:30:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:30:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:30:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:30:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:30:02,741 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:30:02,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02 BoogieIcfgContainer [2018-11-10 04:30:02,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:30:02,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:30:02,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:30:02,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:30:02,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:30:02" (1/3) ... [2018-11-10 04:30:02,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b6b2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:02, skipping insertion in model container [2018-11-10 04:30:02,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:30:02" (2/3) ... [2018-11-10 04:30:02,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b6b2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:30:02, skipping insertion in model container [2018-11-10 04:30:02,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02" (3/3) ... [2018-11-10 04:30:02,747 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:30:02,754 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:30:02,759 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:30:02,769 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:30:02,791 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:30:02,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:30:02,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:30:02,792 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:30:02,792 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:30:02,792 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:30:02,792 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:30:02,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:30:02,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:30:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-10 04:30:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:30:02,808 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:30:02,809 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:30:02,811 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:30:02,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:30:02,815 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-10 04:30:02,818 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:30:02,818 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/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 [2018-11-10 04:30:02,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:30:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:30:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:30:02,873 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:30:02,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:30:02 BoogieIcfgContainer [2018-11-10 04:30:02,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:30:02,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:30:02,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:30:02,892 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:30:02,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:30:02" (3/4) ... [2018-11-10 04:30:02,895 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:30:02,932 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79258050-a70e-4cbd-8ac3-e89a05af7f9a/bin-2019/utaipan/witness.graphml [2018-11-10 04:30:02,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:30:02,933 INFO L168 Benchmark]: Toolchain (without parser) took 581.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -168.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:02,934 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-10 04:30:02,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:02,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.66 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:30:02,935 INFO L168 Benchmark]: Boogie Preprocessor took 14.50 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:02,936 INFO L168 Benchmark]: RCFGBuilder took 176.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:02,936 INFO L168 Benchmark]: TraceAbstraction took 149.36 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:30:02,937 INFO L168 Benchmark]: Witness Printer took 40.18 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. [2018-11-10 04:30:02,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 177.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 20.66 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.50 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 176.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -203.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 149.36 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 40.18 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: - 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...