./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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-aa41828 [2018-11-23 15:44:41,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:44:41,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:44:41,688 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:44:41,688 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:44:41,689 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:44:41,690 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:44:41,691 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:44:41,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:44:41,693 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:44:41,693 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:44:41,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:44:41,694 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:44:41,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:44:41,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:44:41,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:44:41,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:44:41,697 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:44:41,698 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:44:41,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:44:41,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:44:41,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:44:41,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:44:41,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:44:41,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:44:41,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:44:41,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:44:41,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:44:41,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:44:41,706 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:44:41,706 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:44:41,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:44:41,706 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:44:41,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:44:41,707 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:44:41,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:44:41,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:44:41,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:44:41,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:44:41,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:44:41,718 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:44:41,718 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:44:41,718 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:44:41,719 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:44:41,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:44:41,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:44:41,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:44:41,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:44:41,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:44:41,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:44:41,722 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:44:41,722 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:44:41,722 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:44:41,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:44:41,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:44:41,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:44:41,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:44:41,723 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:44:41,723 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:44:41,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:44:41,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:44:41,723 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:44:41,723 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_00888404-9835-40d3-98a8-03b35b0021a9/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 [2018-11-23 15:44:41,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:44:41,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:44:41,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:44:41,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:44:41,758 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:44:41,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:41,790 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/fd4988ba9/0345db9ce1a0452182cdd66e58143958/FLAGe7e0d18a4 [2018-11-23 15:44:42,176 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:44:42,176 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:42,180 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/fd4988ba9/0345db9ce1a0452182cdd66e58143958/FLAGe7e0d18a4 [2018-11-23 15:44:42,188 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/fd4988ba9/0345db9ce1a0452182cdd66e58143958 [2018-11-23 15:44:42,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:44:42,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:44:42,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:42,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:44:42,194 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:44:42,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42, skipping insertion in model container [2018-11-23 15:44:42,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:44:42,217 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:44:42,312 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:42,314 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:44:42,322 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:42,330 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:44:42,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42 WrapperNode [2018-11-23 15:44:42,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:42,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:42,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:44:42,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:44:42,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:42,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:44:42,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:44:42,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:44:42,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... [2018-11-23 15:44:42,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:44:42,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:44:42,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:44:42,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:44:42,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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 [2018-11-23 15:44:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:44:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:44:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:44:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:44:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:44:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:44:42,533 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:44:42,533 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:44:42,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:42 BoogieIcfgContainer [2018-11-23 15:44:42,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:44:42,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:44:42,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:44:42,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:44:42,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:42" (1/3) ... [2018-11-23 15:44:42,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8d1c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:42, skipping insertion in model container [2018-11-23 15:44:42,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:42" (2/3) ... [2018-11-23 15:44:42,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8d1c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:42, skipping insertion in model container [2018-11-23 15:44:42,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:42" (3/3) ... [2018-11-23 15:44:42,539 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:42,547 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:44:42,552 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:44:42,564 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:44:42,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:44:42,591 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:44:42,591 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:44:42,591 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:44:42,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:44:42,591 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:44:42,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:44:42,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:44:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 15:44:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:44:42,608 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:42,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:42,610 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:42,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:42,614 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-23 15:44:42,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 15:44:42,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:42,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:42,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:44:42,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 15:44:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:44:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:44:42,683 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~f~0 := ~convertINTToFLOAT(1);~i~0 := ~convertFLOATToINT(~f~0); [?] assume 1 == ~i~0; VAL [main_~i~0=1] [?] assume !false; VAL [main_~i~0=1] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6-L8] assume 1 == ~i~0; VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6-L8] assume 1 == ~i~0; VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6] COND TRUE 1 == ~i~0 VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6] COND TRUE 1 == ~i~0 VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6] COND TRUE 1 == ~i~0 VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(1); [L5] ~i~0 := ~convertFLOATToINT(~f~0); [L6] COND TRUE 1 == ~i~0 VAL [~i~0=1] [L10] assert false; VAL [~i~0=1] [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 VAL [i=1] [L10] __VERIFIER_error() VAL [i=1] ----- [2018-11-23 15:44:42,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:44:42 BoogieIcfgContainer [2018-11-23 15:44:42,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:44:42,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:44:42,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:44:42,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:44:42,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:42" (3/4) ... [2018-11-23 15:44:42,705 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:44:42,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:44:42,706 INFO L168 Benchmark]: Toolchain (without parser) took 515.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:42,707 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:42,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:42,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.98 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:42,709 INFO L168 Benchmark]: Boogie Preprocessor took 14.54 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:42,709 INFO L168 Benchmark]: RCFGBuilder took 171.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:42,710 INFO L168 Benchmark]: TraceAbstraction took 166.94 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:42,710 INFO L168 Benchmark]: Witness Printer took 3.99 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. [2018-11-23 15:44:42,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.72 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 16.98 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.54 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 945.8 MB in the beginning and 1.2 GB in the end (delta: -207.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166.94 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 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-aa41828 [2018-11-23 15:44:44,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:44:44,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:44:44,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:44:44,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:44:44,163 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:44:44,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:44:44,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:44:44,166 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:44:44,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:44:44,167 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:44:44,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:44:44,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:44:44,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:44:44,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:44:44,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:44:44,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:44:44,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:44:44,174 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:44:44,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:44:44,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:44:44,176 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:44:44,178 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:44:44,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:44:44,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:44:44,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:44:44,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:44:44,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:44:44,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:44:44,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:44:44,182 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:44:44,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:44:44,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:44:44,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:44:44,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:44:44,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:44:44,183 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:44:44,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:44:44,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:44:44,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:44:44,195 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:44:44,195 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:44:44,195 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:44:44,195 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:44:44,195 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:44:44,196 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:44:44,196 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:44:44,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:44:44,196 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:44:44,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:44:44,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:44:44,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:44:44,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:44:44,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:44:44,200 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:44:44,200 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_00888404-9835-40d3-98a8-03b35b0021a9/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 [2018-11-23 15:44:44,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:44:44,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:44:44,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:44:44,242 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:44:44,243 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:44:44,243 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:44,285 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/d96a02ec8/67cbf837591b4eafb1abdbd6ae8eba4d/FLAG83b22b259 [2018-11-23 15:44:44,672 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:44:44,673 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:44,677 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/d96a02ec8/67cbf837591b4eafb1abdbd6ae8eba4d/FLAG83b22b259 [2018-11-23 15:44:44,688 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/data/d96a02ec8/67cbf837591b4eafb1abdbd6ae8eba4d [2018-11-23 15:44:44,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:44:44,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:44:44,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:44,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:44:44,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:44:44,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc02af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44, skipping insertion in model container [2018-11-23 15:44:44,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:44:44,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:44:44,848 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:44,853 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:44:44,864 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:44:44,876 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:44:44,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44 WrapperNode [2018-11-23 15:44:44,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:44:44,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:44,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:44:44,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:44:44,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:44:44,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:44:44,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:44:44,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:44:44,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... [2018-11-23 15:44:44,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:44:44,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:44:44,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:44:44,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:44:44,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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 [2018-11-23 15:44:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:44:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:44:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:44:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:44:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:44:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:44:45,067 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:44:45,068 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 15:44:45,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:45 BoogieIcfgContainer [2018-11-23 15:44:45,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:44:45,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:44:45,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:44:45,071 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:44:45,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:44" (1/3) ... [2018-11-23 15:44:45,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2727cce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:45, skipping insertion in model container [2018-11-23 15:44:45,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:44" (2/3) ... [2018-11-23 15:44:45,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2727cce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:45, skipping insertion in model container [2018-11-23 15:44:45,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:45" (3/3) ... [2018-11-23 15:44:45,073 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-23 15:44:45,079 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:44:45,083 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:44:45,092 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:44:45,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:44:45,111 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:44:45,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:44:45,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:44:45,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:44:45,111 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:44:45,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:44:45,111 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:44:45,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:44:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 15:44:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 15:44:45,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:44:45,127 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:44:45,128 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:44:45,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:44:45,132 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-23 15:44:45,134 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 15:44:45,134 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/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 [2018-11-23 15:44:45,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:44:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:44:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:44:45,184 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32);~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] assume 1bv32 == ~i~0; VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] assume !false; VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6-L8] assume 1bv32 == ~i~0; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6-L8] assume 1bv32 == ~i~0; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [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] ----- [2018-11-23 15:44:45,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:44:45 BoogieIcfgContainer [2018-11-23 15:44:45,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:44:45,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:44:45,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:44:45,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:44:45,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:45" (3/4) ... [2018-11-23 15:44:45,207 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32);~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] assume 1bv32 == ~i~0; VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] assume !false; VAL [main_~f~0=(fp #b0 #b01111111 #b00000000000000000000000), main_~i~0=(_ bv1 32)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6-L8] assume 1bv32 == ~i~0; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6-L8] assume 1bv32 == ~i~0; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L4] ~f~0 := ~convertINTToFLOAT(~roundNearestTiesToEven, 1bv32); [L5] ~i~0 := ~convertFLOATToINT(~roundTowardZero, ~f~0); VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L6] COND TRUE 1bv32 == ~i~0 VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [L10] assert false; VAL [~f~0=~fp~LONGDOUBLE(0bv1, 127bv8, 0bv23), ~i~0=1bv32] [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] ----- [2018-11-23 15:44:45,233 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_00888404-9835-40d3-98a8-03b35b0021a9/bin-2019/utaipan/witness.graphml [2018-11-23 15:44:45,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:44:45,234 INFO L168 Benchmark]: Toolchain (without parser) took 543.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:45,235 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-23 15:44:45,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.30 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:45,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.99 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:45,237 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:44:45,237 INFO L168 Benchmark]: RCFGBuilder took 156.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:45,238 INFO L168 Benchmark]: TraceAbstraction took 135.39 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:44:45,239 INFO L168 Benchmark]: Witness Printer took 28.91 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. [2018-11-23 15:44:45,243 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.30 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 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 16.99 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 156.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 135.39 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 28.91 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, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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...