./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose_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_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ............................................................................................................................................................................................................................. 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_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ........................................................................................................................................................................................................................ 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 [2018-12-02 23:33:00,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:33:00,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:33:00,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:33:00,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:33:00,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:33:00,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:33:00,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:33:00,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:33:00,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:33:00,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:33:00,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:33:00,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:33:00,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:33:00,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:33:00,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:33:00,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:33:00,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:33:00,133 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:33:00,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:33:00,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:33:00,135 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:33:00,136 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:33:00,136 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:33:00,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:33:00,137 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:33:00,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:33:00,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:33:00,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:33:00,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:33:00,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:33:00,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:33:00,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:33:00,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:33:00,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:33:00,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:33:00,140 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 23:33:00,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:33:00,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:33:00,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:33:00,148 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 23:33:00,148 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:33:00,148 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:33:00,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:33:00,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:33:00,150 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 23:33:00,150 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 23:33:00,150 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:33:00,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 23:33:00,151 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_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak 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 -> Kojak 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-02 23:33:00,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:33:00,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:33:00,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:33:00,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:33:00,179 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:33:00,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-02 23:33:00,217 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/16191d60a/868f80503f134f3da66c0b6c4f4a22b1/FLAG8eb489263 [2018-12-02 23:33:00,632 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:33:00,633 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-02 23:33:00,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/16191d60a/868f80503f134f3da66c0b6c4f4a22b1/FLAG8eb489263 [2018-12-02 23:33:00,644 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/16191d60a/868f80503f134f3da66c0b6c4f4a22b1 [2018-12-02 23:33:00,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:33:00,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:33:00,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:33:00,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:33:00,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:33:00,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bd7f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00, skipping insertion in model container [2018-12-02 23:33:00,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:33:00,666 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:33:00,761 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:33:00,763 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:33:00,776 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:33:00,787 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:33:00,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00 WrapperNode [2018-12-02 23:33:00,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:33:00,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:33:00,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:33:00,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:33:00,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:33:00,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:33:00,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:33:00,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:33:00,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... [2018-12-02 23:33:00,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:33:00,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:33:00,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:33:00,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:33:00,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:33:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 23:33:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:33:01,042 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:33:01,042 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 23:33:01,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:01 BoogieIcfgContainer [2018-12-02 23:33:01,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:33:01,043 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 23:33:01,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 23:33:01,051 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 23:33:01,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:01" (1/1) ... [2018-12-02 23:33:01,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:33:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:33:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-02 23:33:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-02 23:33:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 23:33:01,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:33:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:01,213 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 23:33:01,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:33:01 ImpRootNode [2018-12-02 23:33:01,232 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 23:33:01,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:33:01,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:33:01,233 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:33:01,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:01" (3/4) ... [2018-12-02 23:33:01,236 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 23:33:01,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:33:01,236 INFO L168 Benchmark]: Toolchain (without parser) took 589.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -119.2 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,238 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 23:33:01,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.18 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,239 INFO L168 Benchmark]: Boogie Preprocessor took 13.54 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,240 INFO L168 Benchmark]: RCFGBuilder took 190.89 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,240 INFO L168 Benchmark]: CodeCheck took 189.50 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,241 INFO L168 Benchmark]: Witness Printer took 3.74 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:01,243 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of bitwiseXor at line 21. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; [L33] r = cast(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 140.18 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.54 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 190.89 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 189.50 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.74 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. 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 [2018-12-02 23:33:02,585 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:33:02,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:33:02,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:33:02,594 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:33:02,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:33:02,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:33:02,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:33:02,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:33:02,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:33:02,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:33:02,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:33:02,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:33:02,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:33:02,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:33:02,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:33:02,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:33:02,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:33:02,605 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:33:02,606 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:33:02,607 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:33:02,608 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:33:02,610 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:33:02,610 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:33:02,610 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:33:02,611 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:33:02,611 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:33:02,612 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:33:02,612 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:33:02,613 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:33:02,613 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:33:02,614 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:33:02,614 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:33:02,614 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:33:02,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:33:02,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:33:02,615 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-02 23:33:02,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:33:02,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:33:02,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 23:33:02,627 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 23:33:02,627 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:33:02,627 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:33:02,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 23:33:02,628 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 23:33:02,629 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 23:33:02,629 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 23:33:02,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 23:33:02,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 23:33:02,630 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 23:33:02,630 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_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak 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 -> Kojak 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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-12-02 23:33:02,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:33:02,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:33:02,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:33:02,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:33:02,667 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:33:02,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-02 23:33:02,708 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/7333602bf/b91f69ea1cef42c39dcf3b7794814e52/FLAG8f9d8d3c8 [2018-12-02 23:33:03,088 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:33:03,088 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-12-02 23:33:03,093 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/7333602bf/b91f69ea1cef42c39dcf3b7794814e52/FLAG8f9d8d3c8 [2018-12-02 23:33:03,102 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/data/7333602bf/b91f69ea1cef42c39dcf3b7794814e52 [2018-12-02 23:33:03,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:33:03,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:33:03,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:33:03,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:33:03,108 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:33:03,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03, skipping insertion in model container [2018-12-02 23:33:03,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:33:03,128 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:33:03,229 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:33:03,233 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:33:03,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:33:03,262 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:33:03,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03 WrapperNode [2018-12-02 23:33:03,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:33:03,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:33:03,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:33:03,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:33:03,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:33:03,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:33:03,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:33:03,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:33:03,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:33:03,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:33:03,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:33:03,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:33:03,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:33:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-02 23:33:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 23:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 23:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:33:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:33:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 23:33:03,834 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:33:03,835 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 23:33:03,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:03 BoogieIcfgContainer [2018-12-02 23:33:03,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:33:03,835 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 23:33:03,835 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 23:33:03,841 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 23:33:03,841 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:03" (1/1) ... [2018-12-02 23:33:03,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:33:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 23:33:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-02 23:33:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-02 23:33:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 23:33:03,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 23:33:03,901 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-02 23:33:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:33:04,102 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-12-02 23:33:04,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:33:04 ImpRootNode [2018-12-02 23:33:04,116 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 23:33:04,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:33:04,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:33:04,116 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:33:04,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:33:03" (3/4) ... [2018-12-02 23:33:04,118 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 23:33:04,141 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31513a36-1470-42bd-9107-408c57d1a7ad/bin-2019/ukojak/witness.graphml [2018-12-02 23:33:04,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:33:04,141 INFO L168 Benchmark]: Toolchain (without parser) took 1037.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,142 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-02 23:33:04,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.09 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.77 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,143 INFO L168 Benchmark]: Boogie Preprocessor took 44.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,143 INFO L168 Benchmark]: RCFGBuilder took 503.72 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,144 INFO L168 Benchmark]: CodeCheck took 280.92 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,144 INFO L168 Benchmark]: Witness Printer took 24.69 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:33:04,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L17] union u x, y; [L18] x.i[0] = 0x43300000 [L19] EXPR x.i[0] [L19] y.i[0] = x.i[0] [L20] x.i[1] = 0x80000000 [L21] EXPR x.i[1] [L21] y.i[1] = i ^ x.i[1] [L22] EXPR y.d [L22] EXPR x.d [L22] return y.d - x.d; [L22] return y.d - x.d; [L22] return y.d - x.d; [L33] r = cast(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.09 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 22.77 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.72 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 280.92 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 24.69 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...