./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_union.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_union.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa9b5ae03b552654908bc6467afad9021ca189c ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:14:55,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:14:55,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:14:55,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:14:55,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:14:55,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:14:55,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:14:55,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:14:55,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:14:55,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:14:55,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:14:55,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:14:55,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:14:55,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:14:55,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:14:55,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:14:55,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:14:55,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:14:55,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:14:55,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:14:55,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:14:55,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:14:55,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:14:55,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:14:55,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:14:55,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:14:55,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:14:55,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:14:55,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:14:55,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:14:55,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:14:55,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:14:55,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:14:55,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:14:55,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:14:55,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:14:55,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:14:55,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:14:55,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:14:55,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:14:55,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:14:55,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:14:55,526 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:14:55,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:14:55,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:14:55,530 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:14:55,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:14:55,531 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:14:55,531 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:14:55,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:14:55,532 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:14:55,532 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:14:55,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:14:55,540 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:14:55,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:14:55,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:14:55,540 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:14:55,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:14:55,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:14:55,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:14:55,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:14:55,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:14:55,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:14:55,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:14:55,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:14:55,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:14:55,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:14:55,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:14:55,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:14:55,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:14:55,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:14:55,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:14:55,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:14:55,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:14:55,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:14:55,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:14:55,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:14:55,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:14:55,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:14:55,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:14:55,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:14:55,549 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa9b5ae03b552654908bc6467afad9021ca189c [2021-10-16 03:14:55,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:14:55,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:14:55,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:14:55,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:14:55,915 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:14:55,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-16 03:14:56,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/data/44d4ee7b9/e4118cd74a844697b5fe1f7312340dc0/FLAG50e7cffd3 [2021-10-16 03:14:56,577 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:14:56,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/sv-benchmarks/c/float-benchs/cast_float_union.c [2021-10-16 03:14:56,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/data/44d4ee7b9/e4118cd74a844697b5fe1f7312340dc0/FLAG50e7cffd3 [2021-10-16 03:14:56,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/data/44d4ee7b9/e4118cd74a844697b5fe1f7312340dc0 [2021-10-16 03:14:56,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:14:56,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:14:56,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:14:56,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:14:56,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:14:56,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:14:56" (1/1) ... [2021-10-16 03:14:56,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab406a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:56, skipping insertion in model container [2021-10-16 03:14:56,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:14:56" (1/1) ... [2021-10-16 03:14:56,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:14:56,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:14:57,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-16 03:14:57,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:14:57,230 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:14:57,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2021-10-16 03:14:57,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:14:57,294 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:14:57,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57 WrapperNode [2021-10-16 03:14:57,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:14:57,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:14:57,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:14:57,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:14:57,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:14:57,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:14:57,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:14:57,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:14:57,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:14:57,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:14:57,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:14:57,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:14:57,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (1/1) ... [2021-10-16 03:14:57,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:14:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:14:57,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:14:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:14:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:14:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:14:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 03:14:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 03:14:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 03:14:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:14:57,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:14:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 03:14:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:14:58,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:14:58,086 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-16 03:14:58,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:14:58 BoogieIcfgContainer [2021-10-16 03:14:58,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:14:58,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:14:58,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:14:58,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:14:58,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:14:56" (1/3) ... [2021-10-16 03:14:58,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcbdf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:14:58, skipping insertion in model container [2021-10-16 03:14:58,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:14:57" (2/3) ... [2021-10-16 03:14:58,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcbdf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:14:58, skipping insertion in model container [2021-10-16 03:14:58,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:14:58" (3/3) ... [2021-10-16 03:14:58,099 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2021-10-16 03:14:58,106 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:14:58,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-16 03:14:58,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fcbdf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:14:58, skipping insertion in model container [2021-10-16 03:14:58,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:14:58,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:14:58,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:14:58,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:14:58,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:14:58" (3/3) ... [2021-10-16 03:14:58,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 03:14:58,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-16 03:14:58,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-16 03:14:58,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 03:14:58,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 03:14:58,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 03:14:58,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:14:58,184 INFO L168 Benchmark]: Toolchain (without parser) took 1273.19 ms. Allocated memory is still 146.8 MB. Free memory was 107.0 MB in the beginning and 91.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,185 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:14:58,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.52 ms. Allocated memory is still 146.8 MB. Free memory was 106.9 MB in the beginning and 119.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.50 ms. Allocated memory is still 146.8 MB. Free memory was 119.1 MB in the beginning and 117.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,186 INFO L168 Benchmark]: Boogie Preprocessor took 34.07 ms. Allocated memory is still 146.8 MB. Free memory was 117.5 MB in the beginning and 116.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,187 INFO L168 Benchmark]: RCFGBuilder took 712.61 ms. Allocated memory is still 146.8 MB. Free memory was 116.3 MB in the beginning and 94.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,187 INFO L168 Benchmark]: TraceAbstraction took 18.28 ms. Allocated memory is still 146.8 MB. Free memory was 94.4 MB in the beginning and 93.7 MB in the end (delta: 667.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:14:58,189 INFO L168 Benchmark]: Witness Printer took 72.10 ms. Allocated memory is still 146.8 MB. Free memory was 93.7 MB in the beginning and 91.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:14:58,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 146.8 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.52 ms. Allocated memory is still 146.8 MB. Free memory was 106.9 MB in the beginning and 119.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.50 ms. Allocated memory is still 146.8 MB. Free memory was 119.1 MB in the beginning and 117.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.07 ms. Allocated memory is still 146.8 MB. Free memory was 117.5 MB in the beginning and 116.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 712.61 ms. Allocated memory is still 146.8 MB. Free memory was 116.3 MB in the beginning and 94.9 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18.28 ms. Allocated memory is still 146.8 MB. Free memory was 94.4 MB in the beginning and 93.7 MB in the end (delta: 667.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 72.10 ms. Allocated memory is still 146.8 MB. Free memory was 93.7 MB in the beginning and 91.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-10-16 03:14:58,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6573a50-650c-4dbb-9b61-0ecd78b438e1/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...