./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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 0.1.23-635dfa2 [2018-12-09 17:45:18,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:45:18,172 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:45:18,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:45:18,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:45:18,180 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:45:18,181 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:45:18,182 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:45:18,183 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:45:18,184 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:45:18,184 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:45:18,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:45:18,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:45:18,186 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:45:18,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:45:18,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:45:18,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:45:18,188 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:45:18,189 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:45:18,190 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:45:18,191 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:45:18,191 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:45:18,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:45:18,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:45:18,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:45:18,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:45:18,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:45:18,193 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:45:18,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:45:18,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:45:18,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:45:18,195 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:45:18,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:45:18,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:45:18,195 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:45:18,196 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:45:18,196 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:45:18,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:45:18,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:45:18,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:45:18,204 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:45:18,204 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:45:18,204 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:45:18,204 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:45:18,204 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:45:18,205 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:45:18,205 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:45:18,205 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:45:18,205 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:45:18,205 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:45:18,206 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:45:18,206 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:45:18,206 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:45:18,206 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:45:18,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:45:18,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:45:18,208 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:45:18,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:45:18,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:45:18,209 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:45:18,209 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_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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 [2018-12-09 17:45:18,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:45:18,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:45:18,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:45:18,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:45:18,237 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:45:18,237 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:18,273 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/c2b20d033/f8e7872e0f0c47c08220e5bfa48aecd4/FLAG57d83df53 [2018-12-09 17:45:18,737 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:45:18,738 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:18,741 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/c2b20d033/f8e7872e0f0c47c08220e5bfa48aecd4/FLAG57d83df53 [2018-12-09 17:45:18,750 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/c2b20d033/f8e7872e0f0c47c08220e5bfa48aecd4 [2018-12-09 17:45:18,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:45:18,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:45:18,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:18,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:45:18,755 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:45:18,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18, skipping insertion in model container [2018-12-09 17:45:18,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:45:18,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:45:18,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:18,864 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:45:18,871 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:18,879 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:45:18,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18 WrapperNode [2018-12-09 17:45:18,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:18,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:18,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:45:18,880 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:45:18,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:18,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:45:18,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:45:18,891 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:45:18,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... [2018-12-09 17:45:18,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:45:18,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:45:18,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:45:18,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:45:18,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:45:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:45:18,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:45:18,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:45:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:45:18,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:45:18,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:45:19,022 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:45:19,022 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:45:19,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:19 BoogieIcfgContainer [2018-12-09 17:45:19,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:45:19,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:45:19,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:45:19,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:45:19,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:45:18" (1/3) ... [2018-12-09 17:45:19,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dc70bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:45:19, skipping insertion in model container [2018-12-09 17:45:19,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:18" (2/3) ... [2018-12-09 17:45:19,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75dc70bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:45:19, skipping insertion in model container [2018-12-09 17:45:19,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:19" (3/3) ... [2018-12-09 17:45:19,026 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:19,032 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:45:19,036 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:45:19,044 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:45:19,061 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:45:19,061 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:45:19,061 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:45:19,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:45:19,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:45:19,062 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:45:19,062 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:45:19,062 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:45:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 17:45:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 17:45:19,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:45:19,074 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:45:19,076 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:45:19,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:19,079 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 17:45:19,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:45:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:19,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:19,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:19,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:45:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:19,136 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:45:19,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:45:19 BoogieIcfgContainer [2018-12-09 17:45:19,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:45:19,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:45:19,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:45:19,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:45:19,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:19" (3/4) ... [2018-12-09 17:45:19,151 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 17:45:19,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:45:19,152 INFO L168 Benchmark]: Toolchain (without parser) took 399.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -140.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:19,153 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:19,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:19,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.19 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:19,155 INFO L168 Benchmark]: Boogie Preprocessor took 9.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:19,155 INFO L168 Benchmark]: RCFGBuilder took 121.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:19,156 INFO L168 Benchmark]: TraceAbstraction took 125.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:19,156 INFO L168 Benchmark]: Witness Printer took 2.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:19,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.19 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.94 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 121.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. 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, 0.0s 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:45:20,422 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:45:20,423 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:45:20,429 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:45:20,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:45:20,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:45:20,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:45:20,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:45:20,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:45:20,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:45:20,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:45:20,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:45:20,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:45:20,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:45:20,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:45:20,434 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:45:20,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:45:20,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:45:20,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:45:20,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:45:20,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:45:20,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:45:20,439 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:45:20,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:45:20,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:45:20,440 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:45:20,441 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:45:20,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:45:20,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:45:20,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:45:20,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:45:20,442 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:45:20,442 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:45:20,442 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:45:20,443 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:45:20,443 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:45:20,443 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 17:45:20,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:45:20,452 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:45:20,453 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:45:20,453 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:45:20,453 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:45:20,454 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:45:20,454 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:45:20,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:45:20,455 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:45:20,455 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:45:20,455 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_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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 [2018-12-09 17:45:20,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:45:20,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:45:20,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:45:20,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:45:20,484 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:45:20,484 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:20,521 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/ca59e54dd/6ce548d32b1d4afc9b7740da24ea2845/FLAG22344f573 [2018-12-09 17:45:20,901 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:45:20,901 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:20,904 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/ca59e54dd/6ce548d32b1d4afc9b7740da24ea2845/FLAG22344f573 [2018-12-09 17:45:20,912 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/data/ca59e54dd/6ce548d32b1d4afc9b7740da24ea2845 [2018-12-09 17:45:20,914 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:45:20,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:45:20,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:20,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:45:20,918 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:45:20,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:20" (1/1) ... [2018-12-09 17:45:20,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7695bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:20, skipping insertion in model container [2018-12-09 17:45:20,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:45:20" (1/1) ... [2018-12-09 17:45:20,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:45:20,933 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:45:21,020 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:21,024 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:45:21,032 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:45:21,040 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:45:21,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21 WrapperNode [2018-12-09 17:45:21,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:45:21,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:21,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:45:21,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:45:21,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:45:21,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:45:21,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:45:21,055 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:45:21,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... [2018-12-09 17:45:21,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:45:21,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:45:21,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:45:21,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:45:21,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:45:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:45:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:45:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:45:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:45:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:45:21,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:45:21,199 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:45:21,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:21 BoogieIcfgContainer [2018-12-09 17:45:21,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:45:21,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:45:21,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:45:21,202 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:45:21,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:45:20" (1/3) ... [2018-12-09 17:45:21,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871dbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:45:21, skipping insertion in model container [2018-12-09 17:45:21,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:45:21" (2/3) ... [2018-12-09 17:45:21,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5871dbc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:45:21, skipping insertion in model container [2018-12-09 17:45:21,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:21" (3/3) ... [2018-12-09 17:45:21,205 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-09 17:45:21,210 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:45:21,214 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:45:21,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:45:21,238 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 17:45:21,239 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:45:21,239 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:45:21,239 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:45:21,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:45:21,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:45:21,239 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:45:21,240 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:45:21,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:45:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 17:45:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 17:45:21,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:45:21,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:45:21,254 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:45:21,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 17:45:21,259 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:45:21,259 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/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 [2018-12-09 17:45:21,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:45:21,306 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:45:21,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:45:21 BoogieIcfgContainer [2018-12-09 17:45:21,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:45:21,320 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:45:21,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:45:21,320 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:45:21,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:45:21" (3/4) ... [2018-12-09 17:45:21,322 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 17:45:21,345 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_beb1a101-bfdf-4dab-8645-c454ecb8f74f/bin-2019/utaipan/witness.graphml [2018-12-09 17:45:21,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:45:21,345 INFO L168 Benchmark]: Toolchain (without parser) took 430.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:21,346 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:21,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:21,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.46 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:21,347 INFO L168 Benchmark]: Boogie Preprocessor took 13.57 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:45:21,348 INFO L168 Benchmark]: RCFGBuilder took 131.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:21,348 INFO L168 Benchmark]: TraceAbstraction took 119.48 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-09 17:45:21,349 INFO L168 Benchmark]: Witness Printer took 24.79 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. [2018-12-09 17:45:21,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.15 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.46 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.57 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 131.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119.48 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 24.79 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: - 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...