./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ........................................................................................................................................................................................................................... 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_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 .................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 16:27:39,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:27:39,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:27:39,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:27:39,483 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:27:39,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:27:39,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:27:39,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:27:39,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:27:39,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:27:39,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:27:39,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:27:39,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:27:39,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:27:39,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:27:39,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:27:39,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:27:39,492 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:27:39,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:27:39,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:27:39,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:27:39,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:27:39,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:27:39,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:27:39,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:27:39,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:27:39,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:27:39,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:27:39,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:27:39,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:27:39,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:27:39,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:27:39,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:27:39,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:27:39,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:27:39,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:27:39,503 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:27:39,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:27:39,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:27:39,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:27:39,515 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:27:39,515 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:27:39,515 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:27:39,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:27:39,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:27:39,517 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:27:39,517 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:27:39,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:27:39,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:27:39,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:27:39,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:27:39,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:27:39,518 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:27:39,518 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:27:39,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:27:39,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:27:39,519 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_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-18 16:27:39,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:27:39,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:27:39,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:27:39,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:27:39,550 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:27:39,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 16:27:39,583 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/49e81a85a/5cd4c1285e47418391c99d20d534ec1f/FLAG41ee82cdf [2018-11-18 16:27:39,884 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:27:39,884 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 16:27:39,889 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/49e81a85a/5cd4c1285e47418391c99d20d534ec1f/FLAG41ee82cdf [2018-11-18 16:27:39,901 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/49e81a85a/5cd4c1285e47418391c99d20d534ec1f [2018-11-18 16:27:39,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:27:39,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:27:39,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:27:39,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:27:39,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:27:39,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:27:39" (1/1) ... [2018-11-18 16:27:39,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c31600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:39, skipping insertion in model container [2018-11-18 16:27:39,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:27:39" (1/1) ... [2018-11-18 16:27:39,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:27:39,935 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:27:40,046 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:27:40,049 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:27:40,062 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:27:40,074 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:27:40,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40 WrapperNode [2018-11-18 16:27:40,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:27:40,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:27:40,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:27:40,075 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:27:40,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:27:40,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:27:40,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:27:40,099 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:27:40,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:27:40,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:27:40,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:27:40,148 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:27:40,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 [2018-11-18 16:27:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 16:27:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 16:27:40,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:27:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:27:40,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:27:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 16:27:40,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:27:40,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:27:40,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:40 BoogieIcfgContainer [2018-11-18 16:27:40,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:27:40,323 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:27:40,323 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:27:40,332 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:27:40,332 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:40" (1/1) ... [2018-11-18 16:27:40,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:27:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:27:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 16:27:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 16:27:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 16:27:40,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:27:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:40,489 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 16:27:40,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:27:40 ImpRootNode [2018-11-18 16:27:40,504 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:27:40,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:27:40,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:27:40,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:27:40,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:40" (3/4) ... [2018-11-18 16:27:40,507 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 16:27:40,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:27:40,508 INFO L168 Benchmark]: Toolchain (without parser) took 603.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 958.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:40,509 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:40,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:40,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.69 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:40,511 INFO L168 Benchmark]: Boogie Preprocessor took 48.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:40,511 INFO L168 Benchmark]: RCFGBuilder took 175.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:40,511 INFO L168 Benchmark]: CodeCheck took 180.89 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:40,512 INFO L168 Benchmark]: Witness Printer took 2.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:40,514 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: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of bitwiseXor at line 20. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) [L16] FCALL union u x, y; [L17] FCALL x.i[0] = 0x43300000 [L18] EXPR, FCALL x.i[0] [L18] FCALL y.i[0] = x.i[0] [L19] FCALL x.i[1] = 0x80000000 [L20] EXPR, FCALL x.i[1] [L20] FCALL y.i[1] = i ^ x.i[1] [L21] EXPR, FCALL y.d [L21] EXPR, FCALL x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; [L31] EXPR cast(a) [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) [L7] COND TRUE !(cond) [L7] __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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.85 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 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 23.69 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * CodeCheck took 180.89 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.85 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. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 16:27:41,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:27:41,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:27:41,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:27:41,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:27:41,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:27:41,946 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:27:41,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:27:41,948 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:27:41,949 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:27:41,950 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:27:41,950 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:27:41,950 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:27:41,951 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:27:41,952 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:27:41,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:27:41,953 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:27:41,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:27:41,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:27:41,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:27:41,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:27:41,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:27:41,959 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:27:41,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:27:41,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:27:41,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:27:41,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:27:41,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:27:41,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:27:41,963 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:27:41,963 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:27:41,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:27:41,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:27:41,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:27:41,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:27:41,965 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:27:41,965 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 16:27:41,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:27:41,975 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:27:41,976 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:27:41,976 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:27:41,977 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:27:41,977 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:27:41,977 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:27:41,977 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:27:41,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:27:41,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:27:41,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:27:41,979 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:27:41,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:27:41,979 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:27:41,979 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:27:41,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:27:41,979 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:27:41,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:27:41,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:27:41,980 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 16:27:41,981 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 16:27:41,981 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_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-18 16:27:42,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:27:42,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:27:42,022 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:27:42,023 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:27:42,024 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:27:42,024 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 16:27:42,066 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/992f94a1d/df381e753bee43e4ab23fa6985b793a3/FLAG7af525a95 [2018-11-18 16:27:42,377 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:27:42,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-18 16:27:42,381 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/992f94a1d/df381e753bee43e4ab23fa6985b793a3/FLAG7af525a95 [2018-11-18 16:27:42,389 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/data/992f94a1d/df381e753bee43e4ab23fa6985b793a3 [2018-11-18 16:27:42,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:27:42,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:27:42,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:27:42,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:27:42,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:27:42,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1c7639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42, skipping insertion in model container [2018-11-18 16:27:42,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:27:42,415 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:27:42,526 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:27:42,529 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:27:42,544 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:27:42,561 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:27:42,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42 WrapperNode [2018-11-18 16:27:42,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:27:42,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:27:42,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:27:42,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:27:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:27:42,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:27:42,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:27:42,588 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:27:42,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... [2018-11-18 16:27:42,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:27:42,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:27:42,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:27:42,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:27:42,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:27:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/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 [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:27:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 16:27:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 16:27:44,439 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:27:44,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:44 BoogieIcfgContainer [2018-11-18 16:27:44,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:27:44,440 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:27:44,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:27:44,447 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:27:44,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:44" (1/1) ... [2018-11-18 16:27:44,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:27:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:27:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-18 16:27:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-18 16:27:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 16:27:44,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:27:44,516 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 16:27:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:27:46,058 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-18 16:27:46,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:27:46 ImpRootNode [2018-11-18 16:27:46,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:27:46,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:27:46,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:27:46,076 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:27:46,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:27:44" (3/4) ... [2018-11-18 16:27:46,077 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 16:27:46,101 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b5806ee-45fe-48ad-9bf2-d561dc64ef58/bin-2019/ukojak/witness.graphml [2018-11-18 16:27:46,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:27:46,102 INFO L168 Benchmark]: Toolchain (without parser) took 3709.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:46,102 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:46,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:46,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.47 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:46,104 INFO L168 Benchmark]: Boogie Preprocessor took 64.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:46,104 INFO L168 Benchmark]: RCFGBuilder took 1786.66 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:46,104 INFO L168 Benchmark]: CodeCheck took 1635.26 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:27:46,105 INFO L168 Benchmark]: Witness Printer took 25.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:27:46,107 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, 1.5s 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, 1.0s 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: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) [L16] FCALL union u x, y; [L17] FCALL x.i[0] = 0x43300000 [L18] EXPR, FCALL x.i[0] [L18] FCALL y.i[0] = x.i[0] [L19] FCALL x.i[1] = 0x80000000 [L20] EXPR, FCALL x.i[1] [L20] FCALL y.i[1] = i ^ x.i[1] [L21] EXPR, FCALL y.d [L21] EXPR, FCALL x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] RET return y.d - x.d; [L31] EXPR cast(a) [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.47 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1786.66 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1635.26 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 25.48 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...