./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be --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 ............................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be --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 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:02:14,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:02:14,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:02:14,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:02:14,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:02:14,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:02:14,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:02:14,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:02:14,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:02:14,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:02:14,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:02:14,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:02:14,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:02:14,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:02:14,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:02:14,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:02:14,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:02:14,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:02:14,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:02:14,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:02:15,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:02:15,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:02:15,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:02:15,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:02:15,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:02:15,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:02:15,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:02:15,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:02:15,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:02:15,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:02:15,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:02:15,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:02:15,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:02:15,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:02:15,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:02:15,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:02:15,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:02:15,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:02:15,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:02:15,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:02:15,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:02:15,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:02:15,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:02:15,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:02:15,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:02:15,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:02:15,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:02:15,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:02:15,096 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:02:15,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:02:15,096 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:02:15,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:02:15,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:02:15,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:02:15,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:02:15,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:02:15,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:02:15,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:02:15,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:02:15,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:02:15,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:02:15,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:02:15,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:02:15,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:02:15,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:02:15,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:02:15,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:02:15,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:02:15,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:02:15,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:02:15,102 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:02:15,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:02:15,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:02:15,105 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:02:15,105 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-21 20:02:15,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:02:15,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:02:15,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:02:15,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:02:15,446 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:02:15,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-21 20:02:15,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/f9a13a997/49a475f54b0f4fc2b9e455013e7fff55/FLAGa44204925 [2021-10-21 20:02:16,023 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:02:16,024 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-21 20:02:16,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/f9a13a997/49a475f54b0f4fc2b9e455013e7fff55/FLAGa44204925 [2021-10-21 20:02:16,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/f9a13a997/49a475f54b0f4fc2b9e455013e7fff55 [2021-10-21 20:02:16,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:02:16,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:02:16,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:16,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:02:16,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:02:16,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234b3573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16, skipping insertion in model container [2021-10-21 20:02:16,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:02:16,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:02:16,608 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-21 20:02:16,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:16,639 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:02:16,653 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-21 20:02:16,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:16,674 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:02:16,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16 WrapperNode [2021-10-21 20:02:16,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:16,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:16,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:02:16,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:02:16,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:16,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:02:16,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:02:16,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:02:16,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:02:16,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:02:16,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:02:16,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:02:16,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (1/1) ... [2021-10-21 20:02:16,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:02:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:16,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:16,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:02:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:02:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:02:16,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-21 20:02:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:02:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-21 20:02:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:02:16,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:02:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:02:16,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:02:17,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:02:17,231 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 20:02:17,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:17 BoogieIcfgContainer [2021-10-21 20:02:17,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:02:17,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:02:17,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:02:17,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:02:17,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:02:16" (1/3) ... [2021-10-21 20:02:17,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307bd130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:02:17, skipping insertion in model container [2021-10-21 20:02:17,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:16" (2/3) ... [2021-10-21 20:02:17,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307bd130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:02:17, skipping insertion in model container [2021-10-21 20:02:17,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:17" (3/3) ... [2021-10-21 20:02:17,249 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-21 20:02:17,266 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:02:17,266 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:02:17,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:02:17,329 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 [2021-10-21 20:02:17,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:02:17,348 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) [2021-10-21 20:02:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 20:02:17,354 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:17,355 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:17,355 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-21 20:02:17,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:02:17,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742275996] [2021-10-21 20:02:17,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:17,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:02:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:17,547 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:17,652 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:02:17,655 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:02:17,656 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:02:17,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:02:17,666 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:02:17,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:02:17 BoogieIcfgContainer [2021-10-21 20:02:17,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:02:17,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:02:17,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:02:17,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:02:17,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:17" (3/4) ... [2021-10-21 20:02:17,701 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:02:17,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:02:17,703 INFO L168 Benchmark]: Toolchain (without parser) took 1314.63 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 45.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,704 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:17,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.77 ms. Allocated memory is still 100.7 MB. Free memory was 61.2 MB in the beginning and 76.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,707 INFO L168 Benchmark]: Boogie Preprocessor took 33.98 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 73.3 MB in the end (delta: 985.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,707 INFO L168 Benchmark]: RCFGBuilder took 472.95 ms. Allocated memory is still 100.7 MB. Free memory was 73.0 MB in the beginning and 62.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,708 INFO L168 Benchmark]: TraceAbstraction took 459.65 ms. Allocated memory is still 100.7 MB. Free memory was 61.7 MB in the beginning and 46.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:17,709 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 100.7 MB. Free memory was 45.7 MB in the beginning and 45.5 MB in the end (delta: 281.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:17,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 285.77 ms. Allocated memory is still 100.7 MB. Free memory was 61.2 MB in the beginning and 76.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.98 ms. Allocated memory is still 100.7 MB. Free memory was 74.3 MB in the beginning and 73.3 MB in the end (delta: 985.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 472.95 ms. Allocated memory is still 100.7 MB. Free memory was 73.0 MB in the beginning and 62.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 459.65 ms. Allocated memory is still 100.7 MB. Free memory was 61.7 MB in the beginning and 46.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.01 ms. Allocated memory is still 100.7 MB. Free memory was 45.7 MB in the beginning and 45.5 MB in the end (delta: 281.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [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) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 346.0ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.1ms SsaConstructionTime, 83.9ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-21 20:02:17,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:02:20,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:02:20,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:02:20,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:02:20,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:02:20,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:02:20,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:02:20,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:02:20,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:02:20,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:02:20,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:02:20,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:02:20,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:02:20,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:02:20,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:02:20,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:02:20,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:02:20,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:02:20,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:02:20,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:02:20,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:02:20,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:02:20,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:02:20,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:02:20,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:02:20,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:02:20,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:02:20,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:02:20,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:02:20,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:02:20,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:02:20,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:02:20,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:02:20,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:02:20,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:02:20,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:02:20,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:02:20,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:02:20,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:02:20,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:02:20,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:02:20,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-21 20:02:20,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:02:20,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:02:20,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:02:20,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:02:20,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:02:20,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:02:20,789 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:02:20,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:02:20,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:02:20,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:02:20,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:02:20,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:02:20,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:02:20,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:02:20,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:02:20,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:02:20,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:02:20,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:02:20,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:02:20,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:02:20,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:02:20,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:02:20,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:02:20,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:02:20,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:02:20,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:02:20,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:02:20,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:02:20,795 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:02:20,795 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:02:20,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:02:20,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:02:20,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:02:20,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:02:20,796 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-21 20:02:21,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:02:21,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:02:21,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:02:21,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:02:21,264 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:02:21,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-21 20:02:21,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/d901b3d51/59f06644a042413cb0345080c0208fb8/FLAG299508a30 [2021-10-21 20:02:21,894 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:02:21,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-21 20:02:21,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/d901b3d51/59f06644a042413cb0345080c0208fb8/FLAG299508a30 [2021-10-21 20:02:22,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/data/d901b3d51/59f06644a042413cb0345080c0208fb8 [2021-10-21 20:02:22,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:02:22,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:02:22,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:22,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:02:22,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:02:22,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a51205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22, skipping insertion in model container [2021-10-21 20:02:22,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:02:22,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:02:22,511 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-21 20:02:22,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:22,558 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:02:22,578 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_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-21 20:02:22,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:02:22,633 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:02:22,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22 WrapperNode [2021-10-21 20:02:22,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:02:22,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:22,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:02:22,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:02:22,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:02:22,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:02:22,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:02:22,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:02:22,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:02:22,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:02:22,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:02:22,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:02:22,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (1/1) ... [2021-10-21 20:02:22,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:02:22,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:02:22,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:02:22,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:02:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-21 20:02:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-21 20:02:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-21 20:02:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:02:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-21 20:02:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-21 20:02:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:02:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:02:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-21 20:02:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-21 20:02:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:02:23,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:02:23,420 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-21 20:02:23,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:23 BoogieIcfgContainer [2021-10-21 20:02:23,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:02:23,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:02:23,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:02:23,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:02:23,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:02:22" (1/3) ... [2021-10-21 20:02:23,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78f63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:02:23, skipping insertion in model container [2021-10-21 20:02:23,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:02:22" (2/3) ... [2021-10-21 20:02:23,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d78f63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:02:23, skipping insertion in model container [2021-10-21 20:02:23,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:23" (3/3) ... [2021-10-21 20:02:23,433 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-21 20:02:23,439 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:02:23,439 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:02:23,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:02:23,550 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 [2021-10-21 20:02:23,557 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:02:23,574 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) [2021-10-21 20:02:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 20:02:23,594 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:23,595 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:23,596 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:23,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-21 20:02:23,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:02:23,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149791580] [2021-10-21 20:02:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:23,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:02:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:02:23,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:02:23,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-21 20:02:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:02:23,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 20:02:23,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:02:24,056 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-21 20:02:24,057 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 [2021-10-21 20:02:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:24,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-21 20:02:25,485 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-21 20:02:25,486 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 [2021-10-21 20:02:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:02:25,494 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-21 20:02:25,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149791580] [2021-10-21 20:02:25,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149791580] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-21 20:02:25,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:02:25,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-21 20:02:25,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641856728] [2021-10-21 20:02:25,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-21 20:02:25,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-21 20:02:25,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:02:25,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:02:25,528 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) [2021-10-21 20:02:27,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:02:27,503 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-21 20:02:27,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:02:27,506 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 [2021-10-21 20:02:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:02:27,515 INFO L225 Difference]: With dead ends: 32 [2021-10-21 20:02:27,515 INFO L226 Difference]: Without dead ends: 10 [2021-10-21 20:02:27,518 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 991.1ms TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-21 20:02:27,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-21 20:02:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-21 20:02:27,548 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) [2021-10-21 20:02:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-21 20:02:27,550 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-21 20:02:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:02:27,551 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-21 20:02:27,551 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) [2021-10-21 20:02:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-21 20:02:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-21 20:02:27,553 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:02:27,553 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:02:27,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-21 20:02:27,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:02:27,768 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:02:27,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:02:27,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-21 20:02:27,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-21 20:02:27,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418369106] [2021-10-21 20:02:27,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:02:27,771 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-21 20:02:27,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat [2021-10-21 20:02:27,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-21 20:02:27,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-21 20:02:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:27,952 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:02:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:02:28,099 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-21 20:02:28,100 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:02:28,101 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:02:28,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:02:28,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/mathsat -unsat_core_generation=3 [2021-10-21 20:02:28,311 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:02:28,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:02:28 BoogieIcfgContainer [2021-10-21 20:02:28,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:02:28,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:02:28,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:02:28,341 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:02:28,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:02:23" (3/4) ... [2021-10-21 20:02:28,343 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:02:28,388 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:02:28,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:02:28,390 INFO L168 Benchmark]: Toolchain (without parser) took 6131.96 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 56.5 MB in the beginning and 47.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,391 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:28,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.79 ms. Allocated memory is still 71.3 MB. Free memory was 56.4 MB in the beginning and 45.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,393 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.77 ms. Allocated memory is still 71.3 MB. Free memory was 45.8 MB in the beginning and 55.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,394 INFO L168 Benchmark]: Boogie Preprocessor took 34.04 ms. Allocated memory is still 71.3 MB. Free memory was 55.0 MB in the beginning and 53.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:02:28,394 INFO L168 Benchmark]: RCFGBuilder took 651.29 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 41.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,395 INFO L168 Benchmark]: TraceAbstraction took 4914.89 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 40.9 MB in the beginning and 49.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,396 INFO L168 Benchmark]: Witness Printer took 48.79 ms. Allocated memory is still 100.7 MB. Free memory was 49.4 MB in the beginning and 47.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:02:28,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 71.3 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 60.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.79 ms. Allocated memory is still 71.3 MB. Free memory was 56.4 MB in the beginning and 45.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.77 ms. Allocated memory is still 71.3 MB. Free memory was 45.8 MB in the beginning and 55.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.04 ms. Allocated memory is still 71.3 MB. Free memory was 55.0 MB in the beginning and 53.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 651.29 ms. Allocated memory is still 71.3 MB. Free memory was 53.5 MB in the beginning and 41.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4914.89 ms. Allocated memory was 71.3 MB in the beginning and 100.7 MB in the end (delta: 29.4 MB). Free memory was 40.9 MB in the beginning and 49.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Witness Printer took 48.79 ms. Allocated memory is still 100.7 MB. Free memory was 49.4 MB in the beginning and 47.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [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) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4768.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 27.9ms, AutomataDifference: 2012.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1641.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 991.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 49.8ms SsaConstructionTime, 206.3ms SatisfiabilityAnalysisTime, 1664.3ms InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 604 SizeOfPredicates, 8 NumberOfNonLiveVariables, 58 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! [2021-10-21 20:02:28,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2bd253e-4f92-4356-afe6-d8e1f9f65f47/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...