./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt --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 41a526911f5478d4ee67d1ffe54a57e775a21596 ................................................................................................................................................................................................................................................................................................................................ 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt --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 41a526911f5478d4ee67d1ffe54a57e775a21596 ....................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:27:22,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:27:22,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:27:22,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:27:22,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:27:22,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:27:22,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:27:22,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:27:22,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:27:22,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:27:22,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:27:22,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:27:22,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:27:22,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:27:22,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:27:22,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:27:22,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:27:22,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:27:22,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:27:22,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:27:22,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:27:22,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:27:22,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:27:22,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:27:22,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:27:22,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:27:22,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:27:22,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:27:22,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:27:22,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:27:22,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:27:22,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:27:22,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:27:22,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:27:22,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:27:22,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:27:22,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:27:22,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:27:22,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:27:22,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:27:22,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:27:22,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:27:22,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:27:22,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:27:22,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:27:22,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:27:22,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:27:22,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:27:22,932 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:27:22,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:27:22,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:27:22,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:27:22,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:27:22,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:27:22,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:27:22,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:27:22,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:27:22,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:27:22,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:27:22,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:27:22,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:27:22,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:27:22,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:27:22,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:27:22,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:27:22,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:27:22,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:27:22,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:27:22,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:27:22,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:27:22,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:27:22,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:27:22,942 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2021-10-13 00:27:23,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:27:23,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:27:23,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:27:23,334 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:27:23,337 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:27:23,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-13 00:27:23,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/34b460a45/eb2574dd6e66490a8ebdce7ab69a7b73/FLAGc56a5ae91 [2021-10-13 00:27:24,067 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:27:24,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-13 00:27:24,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/34b460a45/eb2574dd6e66490a8ebdce7ab69a7b73/FLAGc56a5ae91 [2021-10-13 00:27:24,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/34b460a45/eb2574dd6e66490a8ebdce7ab69a7b73 [2021-10-13 00:27:24,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:27:24,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:27:24,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:24,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:27:24,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:27:24,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:24,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de60581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24, skipping insertion in model container [2021-10-13 00:27:24,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:24,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:27:24,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:27:24,782 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-13 00:27:24,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:24,809 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:27:24,873 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-13 00:27:24,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:24,899 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:27:24,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24 WrapperNode [2021-10-13 00:27:24,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:24,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:24,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:27:24,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:27:24,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:24,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:25,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:27:25,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:27:25,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:27:25,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:27:25,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:27:25,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:27:25,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:27:25,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (1/1) ... [2021-10-13 00:27:25,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:27:25,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:27:25,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:27:25,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:27:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:27:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:27:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:27:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:27:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:27:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:27:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:27:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:27:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:27:25,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:27:25,978 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-13 00:27:25,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:25 BoogieIcfgContainer [2021-10-13 00:27:25,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:27:25,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:27:25,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:27:25,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:27:25,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:27:24" (1/3) ... [2021-10-13 00:27:25,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f95ce69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:27:25, skipping insertion in model container [2021-10-13 00:27:25,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:24" (2/3) ... [2021-10-13 00:27:25,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f95ce69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:27:25, skipping insertion in model container [2021-10-13 00:27:25,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:25" (3/3) ... [2021-10-13 00:27:25,991 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2021-10-13 00:27:25,998 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:27:25,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:27:26,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:27:26,066 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:27:26,066 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:27:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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) [2021-10-13 00:27:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:27:26,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:26,094 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:26,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:27:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:26,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2021-10-13 00:27:26,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:27:26,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561840961] [2021-10-13 00:27:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:26,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:27:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:27:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:27:26,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:27:26,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561840961] [2021-10-13 00:27:26,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561840961] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:27:26,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:27:26,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:27:26,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914746850] [2021-10-13 00:27:26,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:27:26,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:27:26,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:27:26,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:27:26,356 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 00:27:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:27:26,385 INFO L93 Difference]: Finished difference Result 145 states and 236 transitions. [2021-10-13 00:27:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:27:26,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-10-13 00:27:26,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:27:26,399 INFO L225 Difference]: With dead ends: 145 [2021-10-13 00:27:26,399 INFO L226 Difference]: Without dead ends: 70 [2021-10-13 00:27:26,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:27:26,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-13 00:27:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-10-13 00:27:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 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) [2021-10-13 00:27:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2021-10-13 00:27:26,450 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2021-10-13 00:27:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:27:26,450 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2021-10-13 00:27:26,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 00:27:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2021-10-13 00:27:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:27:26,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:26,452 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:26,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:27:26,453 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:27:26,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:26,454 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2021-10-13 00:27:26,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:27:26,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116467631] [2021-10-13 00:27:26,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:26,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:27:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:27:26,511 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:27:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:27:26,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:27:26,602 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:27:26,605 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:27:26,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:27:26,616 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:27:26,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:27:26 BoogieIcfgContainer [2021-10-13 00:27:26,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:27:26,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:27:26,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:27:26,712 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:27:26,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:25" (3/4) ... [2021-10-13 00:27:26,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:27:26,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:27:26,721 INFO L168 Benchmark]: Toolchain (without parser) took 2324.19 ms. Allocated memory is still 98.6 MB. Free memory was 60.7 MB in the beginning and 55.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,722 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 77.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:26,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.10 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 71.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.65 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,735 INFO L168 Benchmark]: Boogie Preprocessor took 110.88 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 65.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,737 INFO L168 Benchmark]: RCFGBuilder took 841.66 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 45.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,737 INFO L168 Benchmark]: TraceAbstraction took 727.69 ms. Allocated memory is still 98.6 MB. Free memory was 45.4 MB in the beginning and 56.2 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:26,738 INFO L168 Benchmark]: Witness Printer took 6.65 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 55.7 MB in the end (delta: 524.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:26,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 98.6 MB. Free memory is still 77.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.10 ms. Allocated memory is still 98.6 MB. Free memory was 60.5 MB in the beginning and 71.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.65 ms. Allocated memory is still 98.6 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.88 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 65.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 841.66 ms. Allocated memory is still 98.6 MB. Free memory was 65.6 MB in the beginning and 45.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 727.69 ms. Allocated memory is still 98.6 MB. Free memory was 45.4 MB in the beginning and 56.2 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.65 ms. Allocated memory is still 98.6 MB. Free memory was 56.2 MB in the beginning and 55.7 MB in the end (delta: 524.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 250]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 155, overapproximation of bitwiseAnd at line 173, overapproximation of someBinaryArithmeticDOUBLEoperation at line 190, overapproximation of someBinaryDOUBLEComparisonOperation at line 20. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L149-L163] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L242] double x = __VERIFIER_nondet_double(); [L244] COND TRUE x < -1.0 && x > 1.0 [L166] double t, w, p, q, c, r, s; [L167] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L169] ieee_double_shape_type gh_u; [L170] gh_u.value = (x) [L171] EXPR gh_u.parts.msw [L171] (hx) = gh_u.parts.msw [L173] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L174] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L185] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L186] COND FALSE !(ix < 0x3e400000) [L190] t = x * x [L191-L194] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L195-L196] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L197] w = p / q [L198] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L246] double res = __ieee754_asin(x); [L20] return x != x; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L249] COND TRUE !isnan_double(res) [L250] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 557.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 12.6ms, AutomataDifference: 66.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 101 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 28.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.3ms SsaConstructionTime, 85.4ms SatisfiabilityAnalysisTime, 65.9ms InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-10-13 00:27:26,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/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-4e77c04 [2021-10-13 00:27:29,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:27:29,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:27:29,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:27:29,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:27:29,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:27:29,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:27:29,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:27:29,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:27:29,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:27:29,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:27:29,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:27:29,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:27:29,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:27:29,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:27:29,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:27:29,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:27:29,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:27:29,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:27:29,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:27:29,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:27:29,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:27:29,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:27:29,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:27:29,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:27:29,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:27:29,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:27:29,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:27:29,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:27:29,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:27:29,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:27:29,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:27:29,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:27:29,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:27:29,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:27:29,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:27:29,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:27:29,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:27:29,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:27:29,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:27:29,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:27:29,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:27:30,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:27:30,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:27:30,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:27:30,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:27:30,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:27:30,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:27:30,056 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:27:30,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:27:30,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:27:30,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:27:30,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:27:30,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:27:30,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:27:30,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:27:30,059 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:27:30,060 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:27:30,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:27:30,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:27:30,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:27:30,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:27:30,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:27:30,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:27:30,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:27:30,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:27:30,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:27:30,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:27:30,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:27:30,063 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:27:30,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:27:30,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:27:30,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:27:30,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:27:30,065 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2021-10-13 00:27:30,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:27:30,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:27:30,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:27:30,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:27:30,650 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:27:30,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-13 00:27:30,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/1ba01cabf/0255a623790a4b36897e5507f7d5f489/FLAG7da3edfad [2021-10-13 00:27:31,472 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:27:31,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-13 00:27:31,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/1ba01cabf/0255a623790a4b36897e5507f7d5f489/FLAG7da3edfad [2021-10-13 00:27:31,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/data/1ba01cabf/0255a623790a4b36897e5507f7d5f489 [2021-10-13 00:27:31,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:27:31,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:27:31,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:31,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:27:31,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:27:31,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:31" (1/1) ... [2021-10-13 00:27:31,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@634417d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:31, skipping insertion in model container [2021-10-13 00:27:31,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:27:31" (1/1) ... [2021-10-13 00:27:31,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:27:31,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:27:32,103 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-13 00:27:32,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:32,148 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:27:32,289 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_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-13 00:27:32,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:27:32,330 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:27:32,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32 WrapperNode [2021-10-13 00:27:32,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:27:32,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:32,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:27:32,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:27:32,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:27:32,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:27:32,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:27:32,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:27:32,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:27:32,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:27:32,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:27:32,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:27:32,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (1/1) ... [2021-10-13 00:27:32,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:27:32,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:27:32,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:27:32,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:27:32,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 00:27:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 00:27:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:27:32,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:27:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:27:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:27:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:27:32,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:27:32,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:27:51,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:27:51,908 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-13 00:27:51,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:51 BoogieIcfgContainer [2021-10-13 00:27:51,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:27:51,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:27:51,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:27:51,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:27:51,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:27:31" (1/3) ... [2021-10-13 00:27:51,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1353a90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:27:51, skipping insertion in model container [2021-10-13 00:27:51,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:27:32" (2/3) ... [2021-10-13 00:27:51,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1353a90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:27:51, skipping insertion in model container [2021-10-13 00:27:51,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:51" (3/3) ... [2021-10-13 00:27:51,923 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2021-10-13 00:27:51,930 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:27:51,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:27:51,992 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:27:52,000 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:27:52,000 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:27:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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) [2021-10-13 00:27:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:27:52,027 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:27:52,027 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:27:52,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:27:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:27:52,035 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2021-10-13 00:27:52,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:27:52,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346379778] [2021-10-13 00:27:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:27:52,051 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:27:52,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:27:52,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:27:52,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:27:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:27:52,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 00:27:52,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:27:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:27:53,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 00:27:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:27:53,584 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 00:27:53,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346379778] [2021-10-13 00:27:53,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346379778] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 00:27:53,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:27:53,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 00:27:53,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547497579] [2021-10-13 00:27:53,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:27:53,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 00:27:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:27:53,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:27:53,615 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 1.6666666666666667) internal successors, (120), 73 states have internal predecessors, (120), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 00:27:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:27:53,637 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2021-10-13 00:27:53,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:27:53,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-10-13 00:27:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:27:53,646 INFO L225 Difference]: With dead ends: 78 [2021-10-13 00:27:53,646 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:27:53,650 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:27:53,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:27:53,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:27:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-13 00:27:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:27:53,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-13 00:27:53,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:27:53,679 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:27:53,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-13 00:27:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:27:53,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:27:53,683 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:27:53,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:27:53,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:27:53,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:27:53,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:53,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:27:54,405 INFO L857 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2021-10-13 00:27:54,405 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-10-13 00:27:54,406 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2021-10-13 00:27:54,406 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2021-10-13 00:27:54,406 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2021-10-13 00:27:54,406 INFO L853 garLoopResultBuilder]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2021-10-13 00:27:54,406 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:27:54,407 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 200) no Hoare annotation was computed. [2021-10-13 00:27:54,407 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2021-10-13 00:27:54,407 INFO L853 garLoopResultBuilder]: At program point L20(line 20) the Hoare annotation is: false [2021-10-13 00:27:54,407 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-13 00:27:54,408 INFO L853 garLoopResultBuilder]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2021-10-13 00:27:54,408 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2021-10-13 00:27:54,408 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2021-10-13 00:27:54,408 INFO L857 garLoopResultBuilder]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2021-10-13 00:27:54,408 INFO L853 garLoopResultBuilder]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2021-10-13 00:27:54,409 INFO L857 garLoopResultBuilder]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2021-10-13 00:27:54,409 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 119) no Hoare annotation was computed. [2021-10-13 00:27:54,409 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-10-13 00:27:54,409 INFO L857 garLoopResultBuilder]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2021-10-13 00:27:54,409 INFO L860 garLoopResultBuilder]: At program point L255(lines 234 256) the Hoare annotation is: true [2021-10-13 00:27:54,409 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 99) no Hoare annotation was computed. [2021-10-13 00:27:54,410 INFO L857 garLoopResultBuilder]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2021-10-13 00:27:54,410 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 145) no Hoare annotation was computed. [2021-10-13 00:27:54,410 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2021-10-13 00:27:54,410 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 118) no Hoare annotation was computed. [2021-10-13 00:27:54,411 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2021-10-13 00:27:54,411 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 46) no Hoare annotation was computed. [2021-10-13 00:27:54,411 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2021-10-13 00:27:54,411 INFO L857 garLoopResultBuilder]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2021-10-13 00:27:54,411 INFO L857 garLoopResultBuilder]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2021-10-13 00:27:54,412 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:27:54,412 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 200) no Hoare annotation was computed. [2021-10-13 00:27:54,412 INFO L857 garLoopResultBuilder]: For program point L42(lines 42 45) no Hoare annotation was computed. [2021-10-13 00:27:54,412 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-13 00:27:54,413 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-10-13 00:27:54,414 INFO L853 garLoopResultBuilder]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2021-10-13 00:27:54,414 INFO L857 garLoopResultBuilder]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-10-13 00:27:54,414 INFO L857 garLoopResultBuilder]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-10-13 00:27:54,415 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-10-13 00:27:54,415 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-13 00:27:54,415 INFO L857 garLoopResultBuilder]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2021-10-13 00:27:54,415 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2021-10-13 00:27:54,416 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2021-10-13 00:27:54,416 INFO L857 garLoopResultBuilder]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2021-10-13 00:27:54,416 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-13 00:27:54,416 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:27:54,417 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 96) no Hoare annotation was computed. [2021-10-13 00:27:54,417 INFO L857 garLoopResultBuilder]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2021-10-13 00:27:54,417 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 253) no Hoare annotation was computed. [2021-10-13 00:27:54,418 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 227) no Hoare annotation was computed. [2021-10-13 00:27:54,418 INFO L857 garLoopResultBuilder]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2021-10-13 00:27:54,418 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2021-10-13 00:27:54,418 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-10-13 00:27:54,419 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 66) no Hoare annotation was computed. [2021-10-13 00:27:54,419 INFO L857 garLoopResultBuilder]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-10-13 00:27:54,419 INFO L857 garLoopResultBuilder]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2021-10-13 00:27:54,419 INFO L853 garLoopResultBuilder]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2021-10-13 00:27:54,420 INFO L857 garLoopResultBuilder]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2021-10-13 00:27:54,420 INFO L853 garLoopResultBuilder]: At program point L146(lines 133 147) the Hoare annotation is: false [2021-10-13 00:27:54,420 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-10-13 00:27:54,420 INFO L857 garLoopResultBuilder]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2021-10-13 00:27:54,421 INFO L853 garLoopResultBuilder]: At program point L131(lines 24 132) the Hoare annotation is: false [2021-10-13 00:27:54,421 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:27:54,421 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 250) no Hoare annotation was computed. [2021-10-13 00:27:54,422 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-10-13 00:27:54,422 INFO L857 garLoopResultBuilder]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2021-10-13 00:27:54,422 INFO L853 garLoopResultBuilder]: At program point L231(lines 165 232) the Hoare annotation is: false [2021-10-13 00:27:54,422 INFO L853 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-10-13 00:27:54,423 INFO L857 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2021-10-13 00:27:54,423 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 252) no Hoare annotation was computed. [2021-10-13 00:27:54,423 INFO L857 garLoopResultBuilder]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2021-10-13 00:27:54,423 INFO L853 garLoopResultBuilder]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2021-10-13 00:27:54,424 INFO L857 garLoopResultBuilder]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2021-10-13 00:27:54,429 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:27:54,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:27:54 BoogieIcfgContainer [2021-10-13 00:27:54,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:27:54,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:27:54,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:27:54,440 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:27:54,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:27:51" (3/4) ... [2021-10-13 00:27:54,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:27:54,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-13 00:27:54,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:27:54,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:27:54,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:27:54,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:27:54,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:27:54,545 INFO L168 Benchmark]: Toolchain (without parser) took 22760.82 ms. Allocated memory is still 71.3 MB. Free memory was 49.7 MB in the beginning and 50.3 MB in the end (delta: -545.5 kB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,545 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory is still 32.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:27:54,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.10 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 51.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.63 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 48.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,547 INFO L168 Benchmark]: Boogie Preprocessor took 60.70 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 46.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,548 INFO L168 Benchmark]: RCFGBuilder took 19405.12 ms. Allocated memory is still 71.3 MB. Free memory was 46.1 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,548 INFO L168 Benchmark]: TraceAbstraction took 2524.79 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 34.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,549 INFO L168 Benchmark]: Witness Printer took 103.17 ms. Allocated memory is still 71.3 MB. Free memory was 34.8 MB in the beginning and 50.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:27:54,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 52.4 MB. Free memory is still 32.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.10 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 51.4 MB in the end (delta: -1.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.63 ms. Allocated memory is still 71.3 MB. Free memory was 51.4 MB in the beginning and 48.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.70 ms. Allocated memory is still 71.3 MB. Free memory was 48.6 MB in the beginning and 46.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19405.12 ms. Allocated memory is still 71.3 MB. Free memory was 46.1 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2524.79 ms. Allocated memory is still 71.3 MB. Free memory was 43.4 MB in the beginning and 34.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Witness Printer took 103.17 ms. Allocated memory is still 71.3 MB. Free memory was 34.8 MB in the beginning and 50.3 MB in the end (delta: -15.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 250]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2439.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.8ms, AutomataDifference: 53.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 495.1ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 53.5ms HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 433.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.8ms SsaConstructionTime, 714.2ms SatisfiabilityAnalysisTime, 733.5ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:27:54,792 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 00:27:54,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e62b1f-ced9-4bde-9280-c8d0e10f34f7/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...