./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC --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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC --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 0.2.0-7b2dab5 [2021-10-11 00:27:27,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:27,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:27,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:27,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:27,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:27,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:27,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:27,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:27,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:27,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:27,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:27,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:27,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:27,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:27,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:27,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:27,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:27,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:27,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:27,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:27,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:27,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:27,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:27,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:27,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:27,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:27,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:27,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:27,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:27,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:27,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:27,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:27,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:27,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:27,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:27,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:27,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:27,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:27,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:27,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:27,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:27,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:27,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:27,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:27,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:27,949 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:27,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:27,950 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:27,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:27,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:27,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:27,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:27,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:27,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:27,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:27,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:27,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:27,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:27,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:27,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:27,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:27,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:27,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:27,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:27,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:27,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:27,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:27,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:27,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:27,956 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2021-10-11 00:27:28,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:28,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:28,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:28,288 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:28,289 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:28,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-11 00:27:28,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/dd5875613/1c779b46c6c148f4aa45fb65d1775a01/FLAGc4b198777 [2021-10-11 00:27:28,938 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:28,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-11 00:27:28,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/dd5875613/1c779b46c6c148f4aa45fb65d1775a01/FLAGc4b198777 [2021-10-11 00:27:29,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/dd5875613/1c779b46c6c148f4aa45fb65d1775a01 [2021-10-11 00:27:29,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:29,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:29,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:29,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:29,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:29,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f24500e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29, skipping insertion in model container [2021-10-11 00:27:29,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:29,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:29,573 WARN L226 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-11 00:27:29,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:29,586 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:29,657 WARN L226 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-11 00:27:29,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:29,691 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:29,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29 WrapperNode [2021-10-11 00:27:29,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:29,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:29,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:29,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:29,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:29,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:29,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:29,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:29,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:29,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:29,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:29,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:29,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:27:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:27:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:27:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:27:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:27:30,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:30,672 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-11 00:27:30,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:30 BoogieIcfgContainer [2021-10-11 00:27:30,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:30,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:30,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:30,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:30,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:29" (1/3) ... [2021-10-11 00:27:30,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa00bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:30, skipping insertion in model container [2021-10-11 00:27:30,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (2/3) ... [2021-10-11 00:27:30,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa00bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:30, skipping insertion in model container [2021-10-11 00:27:30,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:30" (3/3) ... [2021-10-11 00:27:30,683 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2021-10-11 00:27:30,698 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:30,702 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:27:30,713 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:27:30,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:30,739 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:30,739 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:30,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:30,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:30,740 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:30,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:30,740 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2021-10-11 00:27:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:27:30,778 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:30,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:30,779 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:30,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:30,802 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2021-10-11 00:27:30,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:30,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341278139] [2021-10-11 00:27:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:31,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341278139] [2021-10-11 00:27:31,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:31,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:31,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303388260] [2021-10-11 00:27:31,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:31,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:31,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:31,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:31,136 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2021-10-11 00:27:31,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:31,181 INFO L93 Difference]: Finished difference Result 145 states and 236 transitions. [2021-10-11 00:27:31,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:31,183 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-10-11 00:27:31,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:31,205 INFO L225 Difference]: With dead ends: 145 [2021-10-11 00:27:31,205 INFO L226 Difference]: Without dead ends: 70 [2021-10-11 00:27:31,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-11 00:27:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-10-11 00:27:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 00:27:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2021-10-11 00:27:31,262 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 12 [2021-10-11 00:27:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:31,263 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2021-10-11 00:27:31,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2021-10-11 00:27:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:27:31,265 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:31,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:31,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:31,266 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:31,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:31,274 INFO L82 PathProgramCache]: Analyzing trace with hash -697724311, now seen corresponding path program 1 times [2021-10-11 00:27:31,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:31,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966958889] [2021-10-11 00:27:31,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:31,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:31,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:31,485 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:31,485 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:27:31,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:31,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:31 BoogieIcfgContainer [2021-10-11 00:27:31,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:31,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:31,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:31,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:31,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:30" (3/4) ... [2021-10-11 00:27:31,568 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:27:31,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:31,572 INFO L168 Benchmark]: Toolchain (without parser) took 2278.74 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 73.4 MB in the end (delta: 8.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:31,572 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 77.6 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:31,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.48 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 86.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:31,575 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.31 ms. Allocated memory is still 115.3 MB. Free memory was 86.9 MB in the beginning and 84.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:31,576 INFO L168 Benchmark]: Boogie Preprocessor took 58.39 ms. Allocated memory is still 115.3 MB. Free memory was 84.3 MB in the beginning and 82.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:31,577 INFO L168 Benchmark]: RCFGBuilder took 848.03 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 46.0 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:31,578 INFO L168 Benchmark]: TraceAbstraction took 886.84 ms. Allocated memory is still 115.3 MB. Free memory was 45.1 MB in the beginning and 73.4 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:31,579 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 115.3 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:31,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 77.6 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.48 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 86.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.31 ms. Allocated memory is still 115.3 MB. Free memory was 86.9 MB in the beginning and 84.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.39 ms. Allocated memory is still 115.3 MB. Free memory was 84.3 MB in the beginning and 82.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 848.03 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 46.0 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 886.84 ms. Allocated memory is still 115.3 MB. Free memory was 45.1 MB in the beginning and 73.4 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.82 ms. Allocated memory is still 115.3 MB. Free memory is still 73.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:34,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:34,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:34,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:34,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:34,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:34,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:34,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:34,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:34,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:34,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:34,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:34,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:34,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:34,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:34,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:34,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:34,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:34,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:34,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:34,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:34,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:34,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:34,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:34,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:34,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:34,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:34,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:34,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:34,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:34,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:34,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:34,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:34,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:34,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:34,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:34,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:34,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:34,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:34,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:34,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:34,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:27:34,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:34,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:34,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:34,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:34,317 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:34,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:34,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:34,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:27:34,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:27:34,319 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:34,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:34,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:34,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:34,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:34,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:34,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:34,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:34,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:34,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:34,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:34,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:27:34,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:27:34,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:34,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:34,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:27:34,322 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41a526911f5478d4ee67d1ffe54a57e775a21596 [2021-10-11 00:27:34,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:34,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:34,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:34,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:34,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:34,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-11 00:27:34,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/a1cd57faf/a2af88fd03f8449b803e1f499bb9a4d6/FLAG6e52e0420 [2021-10-11 00:27:35,513 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:35,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c [2021-10-11 00:27:35,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/a1cd57faf/a2af88fd03f8449b803e1f499bb9a4d6/FLAG6e52e0420 [2021-10-11 00:27:35,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/data/a1cd57faf/a2af88fd03f8449b803e1f499bb9a4d6 [2021-10-11 00:27:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:35,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:35,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:35,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:35,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:35,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:35" (1/1) ... [2021-10-11 00:27:35,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309e5de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:35, skipping insertion in model container [2021-10-11 00:27:35,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:35" (1/1) ... [2021-10-11 00:27:35,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:35,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:36,088 WARN L226 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-11 00:27:36,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:36,105 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:36,227 WARN L226 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_ed2f0e76-fccf-4fe0-99ab-ad2787025119/sv-benchmarks/c/float-newlib/double_req_bl_0281.c[6064,6077] [2021-10-11 00:27:36,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:36,264 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:36,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36 WrapperNode [2021-10-11 00:27:36,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:36,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:36,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:36,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:36,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:36,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:36,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:36,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:36,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... [2021-10-11 00:27:36,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:36,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:36,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:36,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:36,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 00:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 00:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:27:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:36,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:27:36,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:27:59,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:59,044 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-11 00:27:59,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:59 BoogieIcfgContainer [2021-10-11 00:27:59,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:59,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:59,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:59,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:59,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:35" (1/3) ... [2021-10-11 00:27:59,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15be3309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:59, skipping insertion in model container [2021-10-11 00:27:59,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:36" (2/3) ... [2021-10-11 00:27:59,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15be3309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:59, skipping insertion in model container [2021-10-11 00:27:59,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:59" (3/3) ... [2021-10-11 00:27:59,058 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0281.c [2021-10-11 00:27:59,072 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:59,079 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:27:59,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:27:59,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:59,113 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:59,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:59,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:59,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:59,114 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:59,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:59,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2021-10-11 00:27:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:27:59,134 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:59,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:59,135 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:59,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,141 INFO L82 PathProgramCache]: Analyzing trace with hash -2510696, now seen corresponding path program 1 times [2021-10-11 00:27:59,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:27:59,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299394991] [2021-10-11 00:27:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 00:28:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:00,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:28:00,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:00,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:28:00,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299394991] [2021-10-11 00:28:00,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:00,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:28:00,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070166718] [2021-10-11 00:28:00,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:28:00,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:28:00,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:28:00,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:28:00,203 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2021-10-11 00:28:00,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,220 INFO L93 Difference]: Finished difference Result 78 states and 123 transitions. [2021-10-11 00:28:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:28:00,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-10-11 00:28:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:00,226 INFO L225 Difference]: With dead ends: 78 [2021-10-11 00:28:00,226 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:28:00,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:28:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:28:00,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:28:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:28:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:00,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-11 00:28:00,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:00,254 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:28:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:00,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:28:00,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:28:00,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:28:00,871 INFO L262 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2021-10-11 00:28:00,871 INFO L262 CegarLoopResult]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-10-11 00:28:00,872 INFO L258 CegarLoopResult]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2021-10-11 00:28:00,872 INFO L262 CegarLoopResult]: For program point L135-1(lines 135 139) no Hoare annotation was computed. [2021-10-11 00:28:00,872 INFO L262 CegarLoopResult]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2021-10-11 00:28:00,873 INFO L258 CegarLoopResult]: At program point L135-2(lines 135 139) the Hoare annotation is: false [2021-10-11 00:28:00,873 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:28:00,873 INFO L262 CegarLoopResult]: For program point L185(lines 185 200) no Hoare annotation was computed. [2021-10-11 00:28:00,873 INFO L262 CegarLoopResult]: For program point L185-1(lines 185 200) no Hoare annotation was computed. [2021-10-11 00:28:00,873 INFO L258 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: false [2021-10-11 00:28:00,874 INFO L262 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:28:00,874 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 103) the Hoare annotation is: false [2021-10-11 00:28:00,874 INFO L262 CegarLoopResult]: For program point L87-3(lines 24 132) no Hoare annotation was computed. [2021-10-11 00:28:00,874 INFO L262 CegarLoopResult]: For program point L187(lines 187 188) no Hoare annotation was computed. [2021-10-11 00:28:00,874 INFO L262 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2021-10-11 00:28:00,875 INFO L258 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2021-10-11 00:28:00,875 INFO L262 CegarLoopResult]: For program point L55-4(lines 55 56) no Hoare annotation was computed. [2021-10-11 00:28:00,875 INFO L262 CegarLoopResult]: For program point L105(lines 105 119) no Hoare annotation was computed. [2021-10-11 00:28:00,875 INFO L262 CegarLoopResult]: For program point L122(lines 122 123) no Hoare annotation was computed. [2021-10-11 00:28:00,875 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 123) no Hoare annotation was computed. [2021-10-11 00:28:00,876 INFO L265 CegarLoopResult]: At program point L255(lines 234 256) the Hoare annotation is: true [2021-10-11 00:28:00,876 INFO L262 CegarLoopResult]: For program point L90(lines 90 99) no Hoare annotation was computed. [2021-10-11 00:28:00,876 INFO L262 CegarLoopResult]: For program point L90-2(lines 90 99) no Hoare annotation was computed. [2021-10-11 00:28:00,876 INFO L262 CegarLoopResult]: For program point L140(lines 140 145) no Hoare annotation was computed. [2021-10-11 00:28:00,877 INFO L262 CegarLoopResult]: For program point L140-1(lines 133 147) no Hoare annotation was computed. [2021-10-11 00:28:00,877 INFO L262 CegarLoopResult]: For program point L107(lines 107 118) no Hoare annotation was computed. [2021-10-11 00:28:00,877 INFO L262 CegarLoopResult]: For program point L140-2(lines 140 145) no Hoare annotation was computed. [2021-10-11 00:28:00,877 INFO L262 CegarLoopResult]: For program point L41(lines 41 46) no Hoare annotation was computed. [2021-10-11 00:28:00,877 INFO L258 CegarLoopResult]: At program point L74-2(lines 74 84) the Hoare annotation is: false [2021-10-11 00:28:00,878 INFO L262 CegarLoopResult]: For program point L41-2(lines 41 46) no Hoare annotation was computed. [2021-10-11 00:28:00,878 INFO L262 CegarLoopResult]: For program point L74-3(lines 74 84) no Hoare annotation was computed. [2021-10-11 00:28:00,878 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:28:00,878 INFO L262 CegarLoopResult]: For program point L174(lines 174 200) no Hoare annotation was computed. [2021-10-11 00:28:00,878 INFO L262 CegarLoopResult]: For program point L42(lines 42 45) no Hoare annotation was computed. [2021-10-11 00:28:00,879 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-11 00:28:00,879 INFO L262 CegarLoopResult]: For program point L125-1(lines 125 130) no Hoare annotation was computed. [2021-10-11 00:28:00,879 INFO L258 CegarLoopResult]: At program point L125-2(lines 125 130) the Hoare annotation is: false [2021-10-11 00:28:00,879 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2021-10-11 00:28:00,879 INFO L262 CegarLoopResult]: For program point L125-3(lines 125 130) no Hoare annotation was computed. [2021-10-11 00:28:00,880 INFO L262 CegarLoopResult]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-10-11 00:28:00,880 INFO L262 CegarLoopResult]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-10-11 00:28:00,880 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 80) no Hoare annotation was computed. [2021-10-11 00:28:00,880 INFO L262 CegarLoopResult]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2021-10-11 00:28:00,881 INFO L258 CegarLoopResult]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2021-10-11 00:28:00,881 INFO L262 CegarLoopResult]: For program point L176-3(lines 174 185) no Hoare annotation was computed. [2021-10-11 00:28:00,881 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-10-11 00:28:00,881 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:28:00,881 INFO L262 CegarLoopResult]: For program point L95(lines 95 96) no Hoare annotation was computed. [2021-10-11 00:28:00,882 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 96) no Hoare annotation was computed. [2021-10-11 00:28:00,882 INFO L262 CegarLoopResult]: For program point L244(lines 244 253) no Hoare annotation was computed. [2021-10-11 00:28:00,882 INFO L262 CegarLoopResult]: For program point L211(lines 211 227) no Hoare annotation was computed. [2021-10-11 00:28:00,882 INFO L262 CegarLoopResult]: For program point L244-2(lines 244 253) no Hoare annotation was computed. [2021-10-11 00:28:00,882 INFO L262 CegarLoopResult]: For program point L211-2(lines 165 232) no Hoare annotation was computed. [2021-10-11 00:28:00,883 INFO L262 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2021-10-11 00:28:00,883 INFO L262 CegarLoopResult]: For program point L63(lines 63 66) no Hoare annotation was computed. [2021-10-11 00:28:00,883 INFO L262 CegarLoopResult]: For program point L30-1(lines 30 35) no Hoare annotation was computed. [2021-10-11 00:28:00,883 INFO L262 CegarLoopResult]: For program point L63-2(lines 63 66) no Hoare annotation was computed. [2021-10-11 00:28:00,884 INFO L258 CegarLoopResult]: At program point L30-2(lines 30 35) the Hoare annotation is: false [2021-10-11 00:28:00,884 INFO L262 CegarLoopResult]: For program point L30-3(lines 24 132) no Hoare annotation was computed. [2021-10-11 00:28:00,884 INFO L258 CegarLoopResult]: At program point L146(lines 133 147) the Hoare annotation is: false [2021-10-11 00:28:00,884 INFO L262 CegarLoopResult]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-10-11 00:28:00,884 INFO L262 CegarLoopResult]: For program point L113-2(lines 113 114) no Hoare annotation was computed. [2021-10-11 00:28:00,885 INFO L258 CegarLoopResult]: At program point L131(lines 24 132) the Hoare annotation is: false [2021-10-11 00:28:00,885 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:28:00,885 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 250) no Hoare annotation was computed. [2021-10-11 00:28:00,885 INFO L262 CegarLoopResult]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-10-11 00:28:00,886 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 60) no Hoare annotation was computed. [2021-10-11 00:28:00,886 INFO L258 CegarLoopResult]: At program point L231(lines 165 232) the Hoare annotation is: false [2021-10-11 00:28:00,886 INFO L258 CegarLoopResult]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2021-10-11 00:28:00,886 INFO L262 CegarLoopResult]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2021-10-11 00:28:00,886 INFO L262 CegarLoopResult]: For program point L249(lines 249 252) no Hoare annotation was computed. [2021-10-11 00:28:00,887 INFO L262 CegarLoopResult]: For program point L216-1(lines 216 221) no Hoare annotation was computed. [2021-10-11 00:28:00,887 INFO L258 CegarLoopResult]: At program point L216-2(lines 216 221) the Hoare annotation is: false [2021-10-11 00:28:00,887 INFO L262 CegarLoopResult]: For program point L216-3(lines 216 221) no Hoare annotation was computed. [2021-10-11 00:28:00,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:00 BoogieIcfgContainer [2021-10-11 00:28:00,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:00,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:00,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:00,902 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:00,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:59" (3/4) ... [2021-10-11 00:28:00,905 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:28:00,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-11 00:28:00,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:28:00,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:00,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:00,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2f0e76-fccf-4fe0-99ab-ad2787025119/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:00,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:00,987 INFO L168 Benchmark]: Toolchain (without parser) took 25155.95 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 58.1 MB in the beginning and 36.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 35.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,988 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:00,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.60 ms. Allocated memory is still 73.4 MB. Free memory was 57.9 MB in the beginning and 53.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 51.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,989 INFO L168 Benchmark]: Boogie Preprocessor took 89.89 ms. Allocated memory is still 73.4 MB. Free memory was 51.4 MB in the beginning and 48.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,990 INFO L168 Benchmark]: RCFGBuilder took 22599.00 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 36.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,990 INFO L168 Benchmark]: TraceAbstraction took 1847.40 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 42.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,995 INFO L168 Benchmark]: Witness Printer took 86.02 ms. Allocated memory is still 88.1 MB. Free memory was 42.9 MB in the beginning and 36.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.60 ms. Allocated memory is still 73.4 MB. Free memory was 57.9 MB in the beginning and 53.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 51.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.89 ms. Allocated memory is still 73.4 MB. Free memory was 51.4 MB in the beginning and 48.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22599.00 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 36.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1847.40 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 35.2 MB in the beginning and 42.9 MB in the end (delta: -7.7 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Witness Printer took 86.02 ms. Allocated memory is still 88.1 MB. Free memory was 42.9 MB in the beginning and 36.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 250]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 1 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...