./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_double.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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD --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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 ........................................................................................................................................................................................................................................ 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD --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 a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 .............................................................................................................................................................................................................................................. 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 23:53:13,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:53:13,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:53:13,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:53:13,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:53:13,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:53:13,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:53:13,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:53:13,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:53:13,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:53:13,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:53:13,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:53:13,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:53:13,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:53:13,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:53:13,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:53:13,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:53:13,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:53:13,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:53:13,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:53:13,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:53:13,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:53:13,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:53:13,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:53:13,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:53:13,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:53:13,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:53:13,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:53:13,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:53:13,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:53:13,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:53:13,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:53:13,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:53:13,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:53:13,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:53:13,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:53:13,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:53:13,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:53:13,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:53:13,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:53:13,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:53:13,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:53:13,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:53:13,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:53:13,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:53:13,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:53:13,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:53:13,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:53:13,836 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:53:13,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:53:13,837 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:53:13,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:53:13,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:53:13,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:53:13,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:53:13,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:53:13,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:53:13,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:53:13,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:53:13,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:53:13,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:53:13,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:53:13,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:53:13,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:53:13,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:53:13,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:53:13,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:53:13,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:53:13,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:53:13,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:53:13,844 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:53:13,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:53:13,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:53:13,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:53:13,847 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2021-10-28 23:53:14,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:53:14,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:53:14,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:53:14,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:53:14,323 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:53:14,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-benchs/nan_double.c [2021-10-28 23:53:14,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/ded9cd568/c2fc7f4e1524407a83c60d9a54269cb8/FLAG815343e3e [2021-10-28 23:53:15,060 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:53:15,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c [2021-10-28 23:53:15,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/ded9cd568/c2fc7f4e1524407a83c60d9a54269cb8/FLAG815343e3e [2021-10-28 23:53:15,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/ded9cd568/c2fc7f4e1524407a83c60d9a54269cb8 [2021-10-28 23:53:15,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:53:15,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:53:15,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:15,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:53:15,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:53:15,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@105210d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15, skipping insertion in model container [2021-10-28 23:53:15,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:53:15,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:53:15,689 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-28 23:53:15,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:15,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:53:15,748 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-28 23:53:15,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:15,770 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:53:15,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15 WrapperNode [2021-10-28 23:53:15,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:15,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:15,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:53:15,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:53:15,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:15,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:53:15,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:53:15,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:53:15,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:53:15,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:53:15,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:53:15,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:53:15,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (1/1) ... [2021-10-28 23:53:15,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:53:15,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:15,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:15,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:53:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:53:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:53:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:53:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:53:16,255 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:53:16,255 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:53:16,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:16 BoogieIcfgContainer [2021-10-28 23:53:16,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:53:16,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:53:16,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:53:16,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:53:16,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:53:15" (1/3) ... [2021-10-28 23:53:16,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3602bf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:53:16, skipping insertion in model container [2021-10-28 23:53:16,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:15" (2/3) ... [2021-10-28 23:53:16,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3602bf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:53:16, skipping insertion in model container [2021-10-28 23:53:16,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:16" (3/3) ... [2021-10-28 23:53:16,280 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2021-10-28 23:53:16,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:53:16,293 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:53:16,370 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:53:16,384 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 23:53:16,384 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:53:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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 23:53:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:53:16,420 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:53:16,421 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:53:16,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:53:16,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:16,433 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-28 23:53:16,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:53:16,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658210237] [2021-10-28 23:53:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:16,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:53:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:16,612 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:53:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:16,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:53:16,699 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:53:16,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:53:16,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:53:16,713 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:53:16,717 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:53:16,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:53:16 BoogieIcfgContainer [2021-10-28 23:53:16,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:53:16,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:53:16,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:53:16,749 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:53:16,750 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:16" (3/4) ... [2021-10-28 23:53:16,754 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:53:16,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:53:16,759 INFO L168 Benchmark]: Toolchain (without parser) took 1334.22 ms. Allocated memory is still 104.9 MB. Free memory was 64.0 MB in the beginning and 55.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:16,761 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 80.0 MB in the beginning and 80.0 MB in the end (delta: 51.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:16,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.70 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 80.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:16,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.17 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:16,766 INFO L168 Benchmark]: Boogie Preprocessor took 39.98 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 78.4 MB in the end (delta: 976.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:16,768 INFO L168 Benchmark]: RCFGBuilder took 403.88 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 69.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:16,775 INFO L168 Benchmark]: TraceAbstraction took 474.97 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 56.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:16,779 INFO L168 Benchmark]: Witness Printer took 6.06 ms. Allocated memory is still 104.9 MB. Free memory was 56.0 MB in the beginning and 55.7 MB in the end (delta: 324.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:16,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 80.0 MB in the beginning and 80.0 MB in the end (delta: 51.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 346.70 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 80.7 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.17 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 79.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.98 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 78.4 MB in the end (delta: 976.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 403.88 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 69.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 474.97 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 56.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.06 ms. Allocated memory is still 104.9 MB. Free memory was 56.0 MB in the beginning and 55.7 MB in the end (delta: 324.8 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: 8]: 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 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 4 NumberOfCodeBlocks, 4 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 23:53:16,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/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 23:53:19,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:53:19,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:53:19,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:53:19,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:53:19,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:53:19,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:53:19,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:53:19,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:53:19,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:53:19,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:53:19,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:53:19,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:53:19,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:53:19,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:53:19,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:53:19,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:53:19,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:53:19,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:53:19,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:53:19,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:53:19,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:53:19,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:53:19,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:53:19,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:53:19,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:53:19,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:53:19,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:53:19,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:53:19,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:53:19,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:53:19,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:53:19,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:53:19,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:53:19,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:53:19,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:53:19,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:53:19,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:53:19,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:53:19,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:53:19,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:53:19,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 23:53:19,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:53:20,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:53:20,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:53:20,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:53:20,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:53:20,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:53:20,003 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:53:20,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:53:20,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:53:20,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:53:20,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:53:20,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:53:20,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:53:20,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:53:20,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:53:20,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:53:20,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:53:20,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:53:20,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:53:20,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:53:20,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:53:20,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:53:20,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:53:20,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:53:20,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:53:20,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:53:20,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:53:20,009 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:53:20,009 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:53:20,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:53:20,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:53:20,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:53:20,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:53:20,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:53:20,011 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4232596288b496aee224c4b4f91c0d4dc8bab0d40c539eda179d1ef3a227da3 [2021-10-28 23:53:20,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:53:20,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:53:20,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:53:20,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:53:20,557 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:53:20,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/float-benchs/nan_double.c [2021-10-28 23:53:20,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/b2f5c7659/b139235c17334ac99118f8c079ef49fa/FLAG3cc70aa01 [2021-10-28 23:53:21,373 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:53:21,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c [2021-10-28 23:53:21,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/b2f5c7659/b139235c17334ac99118f8c079ef49fa/FLAG3cc70aa01 [2021-10-28 23:53:21,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/data/b2f5c7659/b139235c17334ac99118f8c079ef49fa [2021-10-28 23:53:21,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:53:21,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:53:21,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:21,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:53:21,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:53:21,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:21" (1/1) ... [2021-10-28 23:53:21,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241d96b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:21, skipping insertion in model container [2021-10-28 23:53:21,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:53:21" (1/1) ... [2021-10-28 23:53:21,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:53:21,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:53:21,960 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-28 23:53:21,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:21,990 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:53:22,007 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_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/sv-benchmarks/c/float-benchs/nan_double.c[434,447] [2021-10-28 23:53:22,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:53:22,037 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:53:22,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22 WrapperNode [2021-10-28 23:53:22,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:53:22,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:22,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:53:22,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:53:22,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:53:22,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:53:22,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:53:22,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:53:22,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:53:22,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:53:22,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:53:22,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:53:22,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (1/1) ... [2021-10-28 23:53:22,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:53:22,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:53:22,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:53:22,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:53:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 23:53:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:53:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:53:22,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:53:22,514 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:53:22,515 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:53:22,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:22 BoogieIcfgContainer [2021-10-28 23:53:22,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:53:22,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:53:22,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:53:22,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:53:22,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:53:21" (1/3) ... [2021-10-28 23:53:22,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3876c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:53:22, skipping insertion in model container [2021-10-28 23:53:22,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:53:22" (2/3) ... [2021-10-28 23:53:22,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3876c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:53:22, skipping insertion in model container [2021-10-28 23:53:22,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:22" (3/3) ... [2021-10-28 23:53:22,533 INFO L111 eAbstractionObserver]: Analyzing ICFG nan_double.c [2021-10-28 23:53:22,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:53:22,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:53:22,638 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:53:22,661 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 23:53:22,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:53:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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 23:53:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 23:53:22,698 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:53:22,699 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 23:53:22,700 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:53:22,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:53:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-10-28 23:53:22,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 23:53:22,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127416417] [2021-10-28 23:53:22,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:53:22,725 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 23:53:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 23:53:22,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 23:53:22,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 23:53:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:22,860 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:53:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:53:22,949 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 23:53:22,952 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:53:22,954 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:53:22,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:53:23,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 23:53:23,187 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:53:23,191 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:53:23,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:53:23 BoogieIcfgContainer [2021-10-28 23:53:23,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:53:23,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:53:23,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:53:23,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:53:23,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:53:22" (3/4) ... [2021-10-28 23:53:23,234 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:53:23,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:53:23,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:53:23,300 INFO L168 Benchmark]: Toolchain (without parser) took 1553.22 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 43.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:23,302 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:23,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 38.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:23,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.00 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 51.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:23,307 INFO L168 Benchmark]: Boogie Preprocessor took 39.92 ms. Allocated memory is still 67.1 MB. Free memory was 51.0 MB in the beginning and 49.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:23,308 INFO L168 Benchmark]: RCFGBuilder took 353.09 ms. Allocated memory is still 67.1 MB. Free memory was 49.9 MB in the beginning and 41.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:23,311 INFO L168 Benchmark]: TraceAbstraction took 700.31 ms. Allocated memory is still 67.1 MB. Free memory was 40.5 MB in the beginning and 45.0 MB in the end (delta: -4.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:53:23,312 INFO L168 Benchmark]: Witness Printer took 60.56 ms. Allocated memory is still 67.1 MB. Free memory was 44.8 MB in the beginning and 43.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:53:23,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.91 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 38.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.00 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 38.2 MB in the beginning and 51.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.92 ms. Allocated memory is still 67.1 MB. Free memory was 51.0 MB in the beginning and 49.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 353.09 ms. Allocated memory is still 67.1 MB. Free memory was 49.9 MB in the beginning and 41.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 700.31 ms. Allocated memory is still 67.1 MB. Free memory was 40.5 MB in the beginning and 45.0 MB in the end (delta: -4.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 60.56 ms. Allocated memory is still 67.1 MB. Free memory was 44.8 MB in the beginning and 43.4 MB in the end (delta: 1.4 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, 0.0s 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=9occurred 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, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect! [2021-10-28 23:53:23,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c7eb5-7177-4e8f-8b1e-ecf71fba24b1/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...