./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg --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_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg --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-b2eff8b [2021-10-28 08:40:20,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:40:20,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:40:20,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:40:20,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:40:20,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:40:20,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:40:20,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:40:20,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:40:20,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:40:20,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:40:20,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:40:20,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:40:20,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:40:20,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:40:20,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:40:20,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:40:20,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:40:20,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:40:20,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:40:20,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:40:20,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:40:20,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:40:20,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:40:20,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:40:20,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:40:20,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:40:20,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:40:20,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:40:20,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:40:20,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:40:20,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:40:20,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:40:20,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:40:20,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:40:20,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:40:20,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:40:20,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:40:20,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:40:20,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:40:20,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:40:20,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:40:20,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:40:20,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:40:20,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:40:20,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:40:20,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:40:20,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:40:20,204 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:40:20,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:40:20,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:40:20,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:40:20,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:40:20,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:40:20,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:40:20,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:40:20,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:40:20,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:40:20,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:40:20,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:40:20,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:40:20,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:40:20,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:40:20,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:40:20,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:40:20,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:40:20,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:40:20,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:40:20,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:40:20,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:40:20,216 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:40:20,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:40:20,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:40:20,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:40:20,217 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-28 08:40:20,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:40:20,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:40:20,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:40:20,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:40:20,585 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:40:20,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-28 08:40:20,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/de2b2d00f/ee13db7debef4c14bafd692a279c00c3/FLAG23aafef73 [2021-10-28 08:40:21,267 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:40:21,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-28 08:40:21,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/de2b2d00f/ee13db7debef4c14bafd692a279c00c3/FLAG23aafef73 [2021-10-28 08:40:21,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/de2b2d00f/ee13db7debef4c14bafd692a279c00c3 [2021-10-28 08:40:21,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:40:21,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:40:21,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:40:21,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:40:21,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:40:21,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:21,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753a0275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21, skipping insertion in model container [2021-10-28 08:40:21,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:21,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:40:21,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:40:21,893 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-28 08:40:21,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:40:21,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:40:21,939 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-28 08:40:21,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:40:21,963 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:40:21,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21 WrapperNode [2021-10-28 08:40:21,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:40:21,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:40:21,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:40:21,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:40:21,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:21,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:40:22,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:40:22,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:40:22,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:40:22,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:40:22,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:40:22,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:40:22,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:40:22,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (1/1) ... [2021-10-28 08:40:22,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:40:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:40:22,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:40:22,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:40:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:40:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:40:22,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 08:40:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:40:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 08:40:22,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:40:22,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:40:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:40:22,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:40:22,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:40:22,558 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 08:40:22,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:22 BoogieIcfgContainer [2021-10-28 08:40:22,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:40:22,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:40:22,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:40:22,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:40:22,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:40:21" (1/3) ... [2021-10-28 08:40:22,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e4c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:40:22, skipping insertion in model container [2021-10-28 08:40:22,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:21" (2/3) ... [2021-10-28 08:40:22,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e4c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:40:22, skipping insertion in model container [2021-10-28 08:40:22,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:22" (3/3) ... [2021-10-28 08:40:22,580 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-28 08:40:22,586 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:40:22,586 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:40:22,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:40:22,681 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 [2021-10-28 08:40:22,696 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:40:22,713 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) [2021-10-28 08:40:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 08:40:22,719 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:40:22,720 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:40:22,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:40:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:40:22,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-28 08:40:22,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:40:22,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231729817] [2021-10-28 08:40:22,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:40:22,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:40:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:40:22,966 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:40:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:40:23,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:40:23,117 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:40:23,119 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:40:23,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:40:23,127 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 08:40:23,130 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:40:23,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:40:23 BoogieIcfgContainer [2021-10-28 08:40:23,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:40:23,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:40:23,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:40:23,180 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:40:23,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:22" (3/4) ... [2021-10-28 08:40:23,185 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:40:23,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:40:23,192 INFO L168 Benchmark]: Toolchain (without parser) took 1537.66 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 79.9 MB in the beginning and 88.8 MB in the end (delta: -8.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:23,193 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:40:23,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.67 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 79.6 MB in the beginning and 119.6 MB in the end (delta: -40.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:23,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.50 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 118.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:23,199 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 ms. Allocated memory is still 144.7 MB. Free memory was 118.1 MB in the beginning and 117.2 MB in the end (delta: 889.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:40:23,201 INFO L168 Benchmark]: RCFGBuilder took 515.68 ms. Allocated memory is still 144.7 MB. Free memory was 117.2 MB in the beginning and 106.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:23,205 INFO L168 Benchmark]: TraceAbstraction took 611.38 ms. Allocated memory is still 144.7 MB. Free memory was 105.5 MB in the beginning and 89.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:23,205 INFO L168 Benchmark]: Witness Printer took 6.74 ms. Allocated memory is still 144.7 MB. Free memory was 89.4 MB in the beginning and 88.8 MB in the end (delta: 601.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:40:23,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.67 ms. Allocated memory was 109.1 MB in the beginning and 144.7 MB in the end (delta: 35.7 MB). Free memory was 79.6 MB in the beginning and 119.6 MB in the end (delta: -40.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.50 ms. Allocated memory is still 144.7 MB. Free memory was 119.6 MB in the beginning and 118.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.20 ms. Allocated memory is still 144.7 MB. Free memory was 118.1 MB in the beginning and 117.2 MB in the end (delta: 889.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 515.68 ms. Allocated memory is still 144.7 MB. Free memory was 117.2 MB in the beginning and 106.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 611.38 ms. Allocated memory is still 144.7 MB. Free memory was 105.5 MB in the beginning and 89.4 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.74 ms. Allocated memory is still 144.7 MB. Free memory was 89.4 MB in the beginning and 88.8 MB in the end (delta: 601.5 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, 0.0s 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() [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: 0.4s, 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: No data available, 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, 0.0s 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 [2021-10-28 08:40:23,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/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-b2eff8b [2021-10-28 08:40:26,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:40:26,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:40:26,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:40:26,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:40:26,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:40:26,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:40:26,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:40:26,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:40:26,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:40:26,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:40:26,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:40:26,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:40:26,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:40:26,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:40:26,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:40:26,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:40:26,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:40:26,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:40:26,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:40:26,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:40:26,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:40:26,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:40:26,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:40:26,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:40:26,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:40:26,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:40:26,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:40:26,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:40:26,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:40:26,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:40:26,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:40:26,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:40:26,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:40:26,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:40:26,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:40:26,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:40:26,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:40:26,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:40:26,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:40:26,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:40:26,246 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 08:40:26,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:40:26,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:40:26,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:40:26,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:40:26,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:40:26,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:40:26,308 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:40:26,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:40:26,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:40:26,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:40:26,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:40:26,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:40:26,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:40:26,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:40:26,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 08:40:26,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 08:40:26,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:40:26,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:40:26,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:40:26,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:40:26,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:40:26,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:40:26,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:40:26,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:40:26,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:40:26,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:40:26,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:40:26,315 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 08:40:26,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 08:40:26,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:40:26,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:40:26,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:40:26,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:40:26,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 08:40:26,318 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78f30e89596faa37861e47ad729c34c253971261a6589638e8089a38a98c63e4 [2021-10-28 08:40:26,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:40:26,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:40:26,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:40:26,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:40:26,821 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:40:26,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-28 08:40:26,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/5e122a3fb/453f184b0c614555835e393177b32b6d/FLAG6e8c41aac [2021-10-28 08:40:27,516 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:40:27,517 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-10-28 08:40:27,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/5e122a3fb/453f184b0c614555835e393177b32b6d/FLAG6e8c41aac [2021-10-28 08:40:27,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/data/5e122a3fb/453f184b0c614555835e393177b32b6d [2021-10-28 08:40:27,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:40:27,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:40:27,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:40:27,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:40:27,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:40:27,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:40:27" (1/1) ... [2021-10-28 08:40:27,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288d17c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:27, skipping insertion in model container [2021-10-28 08:40:27,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:40:27" (1/1) ... [2021-10-28 08:40:27,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:40:27,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:40:28,154 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-28 08:40:28,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:40:28,193 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:40:28,214 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_34a03739-cd7b-42fc-abf8-689c8422ce6d/sv-benchmarks/c/float-benchs/cast_float_ptr.c[362,375] [2021-10-28 08:40:28,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:40:28,293 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:40:28,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28 WrapperNode [2021-10-28 08:40:28,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:40:28,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:40:28,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:40:28,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:40:28,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:40:28,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:40:28,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:40:28,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:40:28,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:40:28,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:40:28,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:40:28,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:40:28,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (1/1) ... [2021-10-28 08:40:28,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:40:28,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:40:28,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:40:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:40:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 08:40:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 08:40:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 08:40:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:40:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-28 08:40:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 08:40:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:40:28,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:40:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-28 08:40:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 08:40:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:40:29,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:40:29,155 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 08:40:29,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:29 BoogieIcfgContainer [2021-10-28 08:40:29,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:40:29,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:40:29,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:40:29,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:40:29,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:40:27" (1/3) ... [2021-10-28 08:40:29,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa8a704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:40:29, skipping insertion in model container [2021-10-28 08:40:29,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:40:28" (2/3) ... [2021-10-28 08:40:29,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa8a704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:40:29, skipping insertion in model container [2021-10-28 08:40:29,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:29" (3/3) ... [2021-10-28 08:40:29,167 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-10-28 08:40:29,173 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:40:29,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:40:29,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:40:29,239 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 [2021-10-28 08:40:29,239 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:40:29,271 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) [2021-10-28 08:40:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 08:40:29,277 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:40:29,278 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:40:29,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:40:29,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:40:29,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-10-28 08:40:29,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:40:29,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223130398] [2021-10-28 08:40:29,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:40:29,311 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:40:29,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:40:29,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:40:29,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 08:40:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:40:29,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 08:40:29,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:40:29,730 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-10-28 08:40:29,731 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 [2021-10-28 08:40:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:40:30,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 08:40:31,277 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-28 08:40:31,278 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 [2021-10-28 08:40:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:40:31,286 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 08:40:31,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223130398] [2021-10-28 08:40:31,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223130398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 08:40:31,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:40:31,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 7] imperfect sequences [] total 11 [2021-10-28 08:40:31,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306420543] [2021-10-28 08:40:31,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-28 08:40:31,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 08:40:31,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 08:40:31,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:40:31,317 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) [2021-10-28 08:40:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:40:33,384 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-28 08:40:33,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:40:33,389 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 [2021-10-28 08:40:33,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:40:33,399 INFO L225 Difference]: With dead ends: 32 [2021-10-28 08:40:33,399 INFO L226 Difference]: Without dead ends: 10 [2021-10-28 08:40:33,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-28 08:40:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-28 08:40:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-28 08:40:33,428 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) [2021-10-28 08:40:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9 transitions. [2021-10-28 08:40:33,430 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 9 transitions. Word has length 9 [2021-10-28 08:40:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:40:33,430 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 9 transitions. [2021-10-28 08:40:33,431 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) [2021-10-28 08:40:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2021-10-28 08:40:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 08:40:33,431 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:40:33,432 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:40:33,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:40:33,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:40:33,652 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:40:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:40:33,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1271627341, now seen corresponding path program 1 times [2021-10-28 08:40:33,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 08:40:33,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081936130] [2021-10-28 08:40:33,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:40:33,655 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 08:40:33,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 08:40:33,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 08:40:33,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 08:40:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:40:33,867 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:40:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:40:34,034 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 08:40:34,034 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 08:40:34,037 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:40:34,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:40:34,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 08:40:34,244 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 08:40:34,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:40:34,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:40:34 BoogieIcfgContainer [2021-10-28 08:40:34,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:40:34,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:40:34,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:40:34,276 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:40:34,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:40:29" (3/4) ... [2021-10-28 08:40:34,279 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 08:40:34,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:40:34,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:40:34,371 INFO L168 Benchmark]: Toolchain (without parser) took 6459.30 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 33.6 MB in the beginning and 69.6 MB in the end (delta: -36.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,373 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:40:34,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.79 ms. Allocated memory is still 69.2 MB. Free memory was 33.4 MB in the beginning and 53.2 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.50 ms. Allocated memory is still 69.2 MB. Free memory was 53.2 MB in the beginning and 51.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,379 INFO L168 Benchmark]: Boogie Preprocessor took 75.75 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 50.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:40:34,380 INFO L168 Benchmark]: RCFGBuilder took 662.94 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 37.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,383 INFO L168 Benchmark]: TraceAbstraction took 5115.84 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 36.7 MB in the end (delta: 551.7 kB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,385 INFO L168 Benchmark]: Witness Printer took 87.50 ms. Allocated memory is still 90.2 MB. Free memory was 36.7 MB in the beginning and 69.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:40:34,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 50.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.79 ms. Allocated memory is still 69.2 MB. Free memory was 33.4 MB in the beginning and 53.2 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.50 ms. Allocated memory is still 69.2 MB. Free memory was 53.2 MB in the beginning and 51.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.75 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 50.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 662.94 ms. Allocated memory is still 69.2 MB. Free memory was 50.1 MB in the beginning and 37.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5115.84 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 36.7 MB in the end (delta: 551.7 kB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Witness Printer took 87.50 ms. Allocated memory is still 90.2 MB. Free memory was 36.7 MB in the beginning and 69.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 2.6 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, 0.0s 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() [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: 5.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 22 SDslu, 62 SDs, 0 SdLazy, 87 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s 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! [2021-10-28 08:40:34,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a03739-cd7b-42fc-abf8-689c8422ce6d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...