./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:04:46,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:04:46,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:04:46,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:04:46,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:04:46,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:04:46,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:04:46,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:04:46,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:04:46,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:04:46,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:04:46,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:04:46,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:04:46,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:04:46,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:04:46,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:04:46,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:04:46,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:04:46,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:04:46,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:04:46,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:04:46,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:04:46,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:04:46,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:04:46,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:04:46,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:04:46,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:04:46,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:04:46,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:04:46,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:04:46,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:04:46,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:04:46,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:04:46,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:04:46,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:04:46,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:04:46,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:04:46,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:04:46,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:04:46,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:04:46,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:04:46,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:04:46,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:04:46,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:04:46,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:04:46,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:04:46,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:04:46,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:04:46,661 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:04:46,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:04:46,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:04:46,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:04:46,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:04:46,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:04:46,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:04:46,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:04:46,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:04:46,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:04:46,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:04:46,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:04:46,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:04:46,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:04:46,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:04:46,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:04:46,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:46,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:04:46,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:04:46,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:04:46,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:04:46,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:04:46,670 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:04:46,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:04:46,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:04:46,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:04:46,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-11-22 15:04:47,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:04:47,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:04:47,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:04:47,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:04:47,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:04:47,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-11-22 15:04:47,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/5c00a5134/0cf0502632d04bc3b31aa469f6d342f4/FLAGd7b49652e [2021-11-22 15:04:47,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:04:47,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-11-22 15:04:47,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/5c00a5134/0cf0502632d04bc3b31aa469f6d342f4/FLAGd7b49652e [2021-11-22 15:04:48,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/5c00a5134/0cf0502632d04bc3b31aa469f6d342f4 [2021-11-22 15:04:48,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:04:48,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:04:48,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:48,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:04:48,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:04:48,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633ca00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48, skipping insertion in model container [2021-11-22 15:04:48,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:04:48,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:04:48,313 WARN L230 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-11-22 15:04:48,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:48,341 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:04:48,356 WARN L230 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-11-22 15:04:48,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:48,381 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:04:48,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48 WrapperNode [2021-11-22 15:04:48,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:48,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:48,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:04:48,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:04:48,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,429 INFO L137 Inliner]: procedures = 17, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2021-11-22 15:04:48,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:48,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:04:48,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:04:48,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:04:48,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:04:48,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:04:48,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:04:48,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:04:48,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (1/1) ... [2021-11-22 15:04:48,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:48,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:48,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:04:48,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:04:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:04:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-22 15:04:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:04:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-22 15:04:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:04:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:04:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:04:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:04:48,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:04:48,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:04:48,818 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:04:48,829 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:04:48,829 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 15:04:48,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:48 BoogieIcfgContainer [2021-11-22 15:04:48,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:04:48,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:04:48,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:04:48,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:04:48,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:04:48" (1/3) ... [2021-11-22 15:04:48,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3f4a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:48, skipping insertion in model container [2021-11-22 15:04:48,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:48" (2/3) ... [2021-11-22 15:04:48,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3f4a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:48, skipping insertion in model container [2021-11-22 15:04:48,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:48" (3/3) ... [2021-11-22 15:04:48,845 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-11-22 15:04:48,852 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:04:48,852 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:04:48,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:04:48,928 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:04:48,929 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:04:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:04:48,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:48,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:48,956 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:04:48,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:48,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-11-22 15:04:48,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:04:48,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929773323] [2021-11-22 15:04:48,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:04:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:04:49,126 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:04:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:04:49,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:04:49,201 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:04:49,202 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:04:49,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:04:49,234 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-22 15:04:49,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:04:49,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:04:49 BoogieIcfgContainer [2021-11-22 15:04:49,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:04:49,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:04:49,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:04:49,309 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:04:49,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:48" (3/4) ... [2021-11-22 15:04:49,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 15:04:49,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:04:49,318 INFO L158 Benchmark]: Toolchain (without parser) took 1246.29ms. Allocated memory is still 111.1MB. Free memory was 91.5MB in the beginning and 86.9MB in the end (delta: 4.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2021-11-22 15:04:49,319 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:04:49,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.85ms. Allocated memory is still 111.1MB. Free memory was 91.5MB in the beginning and 87.3MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:04:49,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.75ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:04:49,324 INFO L158 Benchmark]: Boogie Preprocessor took 30.49ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 84.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:04:49,330 INFO L158 Benchmark]: RCFGBuilder took 370.43ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 73.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:04:49,331 INFO L158 Benchmark]: TraceAbstraction took 469.79ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 87.6MB in the end (delta: -14.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-22 15:04:49,333 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.9MB in the end (delta: 725.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:04:49,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.85ms. Allocated memory is still 111.1MB. Free memory was 91.5MB in the beginning and 87.3MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.75ms. Allocated memory is still 111.1MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.49ms. Allocated memory is still 111.1MB. Free memory was 85.7MB in the beginning and 84.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.43ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 73.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 469.79ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 87.6MB in the end (delta: -14.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.9MB in the end (delta: 725.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=3758096386, \read(d)=3758096385, d={5:0}, dmax={7:0}, f={6:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=3758096386, \read(d)=3758096386, \read(dmax)=3758096387, d={5:0}, dmax={7:0}, f={6:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=3758096386, \read(d)=3758096386, \read(d)=3758096386, d={5:0}, dmax={7:0}, f={6:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-22 15:04:49,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:04:52,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:04:52,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:04:52,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:04:52,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:04:52,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:04:52,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:04:52,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:04:52,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:04:52,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:04:52,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:04:52,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:04:52,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:04:52,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:04:52,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:04:52,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:04:52,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:04:52,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:04:52,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:04:52,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:04:52,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:04:52,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:04:52,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:04:52,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:04:52,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:04:52,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:04:52,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:04:52,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:04:52,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:04:52,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:04:52,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:04:52,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:04:52,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:04:52,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:04:52,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:04:52,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:04:52,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:04:52,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:04:52,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:04:52,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:04:52,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:04:52,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-22 15:04:52,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:04:52,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:04:52,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:04:52,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:04:52,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:04:52,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:04:52,405 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:04:52,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:04:52,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:04:52,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:04:52,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:04:52,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:04:52,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:04:52,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:04:52,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:04:52,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:04:52,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:04:52,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:04:52,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:04:52,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:52,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:04:52,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:04:52,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:04:52,409 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:04:52,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:04:52,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:04:52,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:04:52,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:04:52,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:04:52,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:04:52,410 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-11-22 15:04:52,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:04:52,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:04:52,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:04:52,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:04:52,871 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:04:52,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-11-22 15:04:52,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/123ff8b25/083c7993ec9c4c3091de07b23f456d27/FLAGc521dd002 [2021-11-22 15:04:53,698 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:04:53,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-11-22 15:04:53,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/123ff8b25/083c7993ec9c4c3091de07b23f456d27/FLAGc521dd002 [2021-11-22 15:04:54,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/data/123ff8b25/083c7993ec9c4c3091de07b23f456d27 [2021-11-22 15:04:54,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:04:54,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:04:54,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:54,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:04:54,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:04:54,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba7d97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54, skipping insertion in model container [2021-11-22 15:04:54,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:04:54,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:04:54,282 WARN L230 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-11-22 15:04:54,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:54,318 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:04:54,334 WARN L230 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_21d0b600-cae6-4a7a-b406-1a6602b013e6/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-11-22 15:04:54,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:04:54,367 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:04:54,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54 WrapperNode [2021-11-22 15:04:54,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:04:54,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:54,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:04:54,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:04:54,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,428 INFO L137 Inliner]: procedures = 22, calls = 36, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2021-11-22 15:04:54,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:04:54,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:04:54,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:04:54,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:04:54,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:04:54,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:04:54,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:04:54,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:04:54,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (1/1) ... [2021-11-22 15:04:54,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:04:54,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:04:54,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:04:54,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:04:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:04:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-22 15:04:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-22 15:04:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 15:04:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:04:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-22 15:04:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 15:04:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:04:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:04:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-22 15:04:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 15:04:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:04:54,739 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:04:54,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:04:55,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:04:55,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:04:55,211 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 15:04:55,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:55 BoogieIcfgContainer [2021-11-22 15:04:55,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:04:55,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:04:55,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:04:55,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:04:55,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:04:54" (1/3) ... [2021-11-22 15:04:55,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b73e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:55, skipping insertion in model container [2021-11-22 15:04:55,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:04:54" (2/3) ... [2021-11-22 15:04:55,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b73e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:04:55, skipping insertion in model container [2021-11-22 15:04:55,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:55" (3/3) ... [2021-11-22 15:04:55,229 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-11-22 15:04:55,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:04:55,236 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:04:55,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:04:55,336 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:04:55,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:04:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:04:55,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:55,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:55,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:04:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-11-22 15:04:55,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:04:55,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852099811] [2021-11-22 15:04:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:55,410 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:04:55,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:04:55,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:04:55,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:04:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:04:55,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 15:04:55,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:04:55,843 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-22 15:04:55,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2021-11-22 15:04:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:56,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:04:57,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-22 15:04:57,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3017 treesize of output 1 [2021-11-22 15:04:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:04:57,394 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:04:57,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852099811] [2021-11-22 15:04:57,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852099811] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:04:57,397 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:04:57,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-11-22 15:04:57,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125662416] [2021-11-22 15:04:57,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:04:57,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 15:04:57,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:04:57,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 15:04:57,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:04:57,451 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:04:58,001 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-11-22 15:04:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:04:58,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-22 15:04:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:04:58,028 INFO L225 Difference]: With dead ends: 35 [2021-11-22 15:04:58,028 INFO L226 Difference]: Without dead ends: 10 [2021-11-22 15:04:58,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:04:58,041 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:04:58,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 90 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 12 Unchecked, 0.5s Time] [2021-11-22 15:04:58,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-22 15:04:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-22 15:04:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-11-22 15:04:58,078 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-11-22 15:04:58,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:04:58,079 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-11-22 15:04:58,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:04:58,080 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-11-22 15:04:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 15:04:58,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:04:58,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:04:58,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-22 15:04:58,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:04:58,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:04:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:04:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-11-22 15:04:58,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:04:58,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870593192] [2021-11-22 15:04:58,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:04:58,295 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:04:58,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:04:58,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:04:58,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:04:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:04:58,436 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:04:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:04:58,540 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-22 15:04:58,541 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:04:58,543 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:04:58,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:04:58,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:04:58,749 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 15:04:58,753 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:04:58,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:04:58 BoogieIcfgContainer [2021-11-22 15:04:58,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:04:58,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:04:58,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:04:58,787 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:04:58,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:04:55" (3/4) ... [2021-11-22 15:04:58,790 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 15:04:58,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:04:58,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:04:58,841 INFO L158 Benchmark]: Toolchain (without parser) took 4802.77ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 46.4MB in the beginning and 48.7MB in the end (delta: -2.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,842 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:04:58,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.84ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 35.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.31ms. Allocated memory is still 67.1MB. Free memory was 35.5MB in the beginning and 49.5MB in the end (delta: -14.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,844 INFO L158 Benchmark]: Boogie Preprocessor took 67.81ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,845 INFO L158 Benchmark]: RCFGBuilder took 715.34ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 36.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,845 INFO L158 Benchmark]: TraceAbstraction took 3564.54ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 50.3MB in the end (delta: -14.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,846 INFO L158 Benchmark]: Witness Printer took 53.80ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:04:58,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.84ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 35.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.31ms. Allocated memory is still 67.1MB. Free memory was 35.5MB in the beginning and 49.5MB in the end (delta: -14.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.81ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.0MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 715.34ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 36.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3564.54ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 35.9MB in the beginning and 50.3MB in the end (delta: -14.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 53.80ms. Allocated memory is still 96.5MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L38] CALL cast(a) [L10] double dmax; [L11] float f; [L13] EXPR \read(d) VAL [\old(d)=NaN, \read(d)=0, d={7:0}, dmax={5:0}, f={15:0}] [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) VAL [\old(d)=NaN, \read(d)=NaN, \read(dmax)=-26815623046150350000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, d={7:0}, dmax={5:0}, f={15:0}] [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] EXPR d >= -3.41e38 && d <= 3.41e38 VAL [\old(d)=NaN, \read(d)=NaN, d={7:0}, d >= -3.41e38 && d <= 3.41e38=0, dmax={5:0}, f={15:0}] [L25] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 17 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 604 SizeOfPredicates, 8 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-22 15:04:58,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21d0b600-cae6-4a7a-b406-1a6602b013e6/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE