./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ................................................................................................................................................................................................................................................................................................................................. 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_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:36:54,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:36:54,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:36:54,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:36:54,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:36:54,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:36:54,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:36:54,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:36:54,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:36:54,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:36:54,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:36:54,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:36:54,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:36:54,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:36:54,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:36:54,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:36:54,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:36:54,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:36:54,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:36:54,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:36:54,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:36:54,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:36:54,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:36:54,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:36:54,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:36:54,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:36:54,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:36:54,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:36:54,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:36:54,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:36:54,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:36:54,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:36:54,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:36:54,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:36:54,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:36:54,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:36:54,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:36:54,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:36:54,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:36:54,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:36:54,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:36:54,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:36:54,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:36:54,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:36:54,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:36:54,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:36:54,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:36:54,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:36:54,700 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:36:54,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:36:54,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:36:54,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:36:54,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:36:54,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:36:54,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:36:54,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:36:54,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:36:54,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:36:54,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:36:54,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:36:54,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:36:54,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:36:54,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:36:54,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:36:54,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:36:54,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:36:54,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:36:54,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:36:54,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:36:54,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:36:54,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:36:54,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:36:54,709 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_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-13 00:36:54,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:36:55,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:36:55,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:36:55,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:36:55,017 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:36:55,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 00:36:55,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/089fa44ed/41ab28882f85417e93895caf26ff375b/FLAGac1a1310a [2021-10-13 00:36:55,553 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:36:55,554 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 00:36:55,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/089fa44ed/41ab28882f85417e93895caf26ff375b/FLAGac1a1310a [2021-10-13 00:36:55,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/089fa44ed/41ab28882f85417e93895caf26ff375b [2021-10-13 00:36:55,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:36:55,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:36:55,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:36:55,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:36:55,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:36:55,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:36:55" (1/1) ... [2021-10-13 00:36:55,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7250b185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:55, skipping insertion in model container [2021-10-13 00:36:55,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:36:55" (1/1) ... [2021-10-13 00:36:55,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:36:55,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:36:56,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 00:36:56,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:36:56,198 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:36:56,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 00:36:56,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:36:56,265 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:36:56,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56 WrapperNode [2021-10-13 00:36:56,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:36:56,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:36:56,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:36:56,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:36:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:36:56,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:36:56,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:36:56,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:36:56,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:36:56,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:36:56,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:36:56,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:36:56,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (1/1) ... [2021-10-13 00:36:56,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:36:56,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:56,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:36:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:36:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:36:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:36:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:36:57,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:36:57,177 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 00:36:57,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:36:57 BoogieIcfgContainer [2021-10-13 00:36:57,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:36:57,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:36:57,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:36:57,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:36:57,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:36:55" (1/3) ... [2021-10-13 00:36:57,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c896b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:36:57, skipping insertion in model container [2021-10-13 00:36:57,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:36:56" (2/3) ... [2021-10-13 00:36:57,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c896b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:36:57, skipping insertion in model container [2021-10-13 00:36:57,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:36:57" (3/3) ... [2021-10-13 00:36:57,189 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-13 00:36:57,194 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:36:57,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:36:57,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:36:57,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:36:57,254 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:36:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 112 states have (on average 1.6964285714285714) internal successors, (190), 113 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:36:57,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:36:57,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:36:57,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:36:57,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:36:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:36:57,296 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-13 00:36:57,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:36:57,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227917758] [2021-10-13 00:36:57,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:36:57,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:36:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:36:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:36:57,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:36:57,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227917758] [2021-10-13 00:36:57,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227917758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:36:57,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:36:57,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:36:57,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666234695] [2021-10-13 00:36:57,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:36:57,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:36:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:36:57,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:36:57,512 INFO L87 Difference]: Start difference. First operand has 114 states, 112 states have (on average 1.6964285714285714) internal successors, (190), 113 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:36:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:36:57,541 INFO L93 Difference]: Finished difference Result 226 states and 378 transitions. [2021-10-13 00:36:57,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:36:57,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 00:36:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:36:57,556 INFO L225 Difference]: With dead ends: 226 [2021-10-13 00:36:57,556 INFO L226 Difference]: Without dead ends: 111 [2021-10-13 00:36:57,561 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:36:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-13 00:36:57,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-13 00:36:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4545454545454546) internal successors, (160), 110 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:36:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2021-10-13 00:36:57,625 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 11 [2021-10-13 00:36:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:36:57,625 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2021-10-13 00:36:57,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:36:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2021-10-13 00:36:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:36:57,626 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:36:57,627 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:36:57,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:36:57,627 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:36:57,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:36:57,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1378836132, now seen corresponding path program 1 times [2021-10-13 00:36:57,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:36:57,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001368320] [2021-10-13 00:36:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:36:57,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:36:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:36:57,775 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:36:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:36:57,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:36:57,865 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:36:57,867 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:36:57,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:36:57,875 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:36:57,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:36:57 BoogieIcfgContainer [2021-10-13 00:36:57,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:36:57,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:36:57,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:36:57,913 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:36:57,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:36:57" (3/4) ... [2021-10-13 00:36:57,917 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:36:57,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:36:57,919 INFO L168 Benchmark]: Toolchain (without parser) took 2000.65 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.3 MB in the beginning and 63.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,920 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:36:57,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.28 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 84.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.31 ms. Allocated memory is still 113.2 MB. Free memory was 84.6 MB in the beginning and 81.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,922 INFO L168 Benchmark]: Boogie Preprocessor took 52.77 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 78.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,923 INFO L168 Benchmark]: RCFGBuilder took 795.87 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 53.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,923 INFO L168 Benchmark]: TraceAbstraction took 730.81 ms. Allocated memory is still 113.2 MB. Free memory was 52.6 MB in the beginning and 64.3 MB in the end (delta: -11.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:36:57,924 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 113.2 MB. Free memory was 64.3 MB in the beginning and 63.7 MB in the end (delta: 571.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:57,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 60.6 MB in the beginning and 60.5 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 348.28 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.2 MB in the beginning and 84.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.31 ms. Allocated memory is still 113.2 MB. Free memory was 84.6 MB in the beginning and 81.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.77 ms. Allocated memory is still 113.2 MB. Free memory was 81.4 MB in the beginning and 78.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 795.87 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 53.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 730.81 ms. Allocated memory is still 113.2 MB. Free memory was 52.6 MB in the beginning and 64.3 MB in the end (delta: -11.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 113.2 MB. Free memory was 64.3 MB in the beginning and 63.7 MB in the end (delta: 571.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 240, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 236, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] float x = 0.0f; [L236] float y = -0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L237] float res = __ieee754_atan2f(y, x); [L240] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L240] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L241] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 629.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.6ms, AutomataDifference: 64.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 163 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 49.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 191.4ms SatisfiabilityAnalysisTime, 58.0ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:36:57,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:37:00,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:37:00,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:37:00,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:37:00,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:37:00,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:37:00,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:37:00,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:37:00,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:37:00,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:37:00,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:37:00,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:37:00,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:37:00,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:37:00,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:37:00,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:37:00,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:37:00,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:37:00,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:37:00,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:37:00,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:37:00,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:37:00,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:37:00,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:37:00,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:37:00,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:37:00,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:37:00,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:37:00,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:37:00,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:37:00,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:37:00,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:37:00,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:37:00,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:37:00,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:37:00,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:37:00,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:37:00,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:37:00,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:37:00,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:37:00,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:37:00,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:37:00,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:37:00,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:37:00,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:37:00,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:37:00,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:37:00,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:37:00,726 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:37:00,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:37:00,727 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:37:00,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:37:00,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:37:00,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:37:00,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:37:00,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:37:00,730 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:37:00,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:37:00,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:37:00,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:37:00,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:37:00,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:37:00,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:37:00,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:37:00,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:37:00,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:37:00,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:37:00,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:37:00,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:37:00,733 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:37:00,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:37:00,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:37:00,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:37:00,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:37:00,735 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_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-13 00:37:01,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:37:01,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:37:01,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:37:01,270 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:37:01,271 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:37:01,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 00:37:01,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/91d73301c/15636158246643cdbf89ee4106df15f6/FLAG5122bdfe3 [2021-10-13 00:37:02,050 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:37:02,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-13 00:37:02,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/91d73301c/15636158246643cdbf89ee4106df15f6/FLAG5122bdfe3 [2021-10-13 00:37:02,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/data/91d73301c/15636158246643cdbf89ee4106df15f6 [2021-10-13 00:37:02,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:37:02,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:37:02,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:37:02,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:37:02,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:37:02,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:02,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77390236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02, skipping insertion in model container [2021-10-13 00:37:02,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:02,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:37:02,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:37:02,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 00:37:02,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:37:02,737 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:37:02,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-13 00:37:02,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:37:02,906 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:37:02,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02 WrapperNode [2021-10-13 00:37:02,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:37:02,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:37:02,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:37:02,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:37:02,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:02,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:37:03,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:37:03,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:37:03,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:37:03,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:37:03,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:37:03,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:37:03,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:37:03,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (1/1) ... [2021-10-13 00:37:03,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:37:03,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:37:03,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:37:03,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:37:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 00:37:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:37:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:37:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 00:37:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:37:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:37:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:37:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 00:37:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:37:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:37:28,337 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:37:28,337 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 00:37:28,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:37:28 BoogieIcfgContainer [2021-10-13 00:37:28,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:37:28,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:37:28,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:37:28,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:37:28,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:37:02" (1/3) ... [2021-10-13 00:37:28,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279c8b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:37:28, skipping insertion in model container [2021-10-13 00:37:28,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:37:02" (2/3) ... [2021-10-13 00:37:28,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279c8b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:37:28, skipping insertion in model container [2021-10-13 00:37:28,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:37:28" (3/3) ... [2021-10-13 00:37:28,348 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-13 00:37:28,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:37:28,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:37:28,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:37:28,409 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:37:28,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:37:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 112 states have (on average 1.6964285714285714) internal successors, (190), 113 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:37:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:37:28,433 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:37:28,434 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:37:28,434 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:37:28,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:37:28,440 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-13 00:37:28,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:37:28,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913747257] [2021-10-13 00:37:28,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:37:28,459 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:37:28,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:37:28,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:37:28,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:37:28,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:37:28,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:37:28,761 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:577) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:312) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:211) ... 31 more [2021-10-13 00:37:28,765 INFO L168 Benchmark]: Toolchain (without parser) took 26425.50 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 43.3 MB in the beginning and 57.3 MB in the end (delta: -14.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,766 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:37:28,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.47 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 43.7 MB in the end (delta: -548.5 kB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 40.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,768 INFO L168 Benchmark]: Boogie Preprocessor took 75.71 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,769 INFO L168 Benchmark]: RCFGBuilder took 25245.10 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 36.6 MB in the beginning and 68.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,770 INFO L168 Benchmark]: TraceAbstraction took 422.15 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 57.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:37:28,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 65.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.47 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 43.7 MB in the end (delta: -548.5 kB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 40.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.71 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25245.10 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 36.6 MB in the beginning and 68.0 MB in the end (delta: -31.4 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 422.15 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 57.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 00:37:28,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a5137f3-8315-4211-9e60-9e37bf0a3d18/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...