./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.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_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/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_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/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_b449a40c-2b15-401e-bf51-4838188f6ebe/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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 ................................................................................................................................................................................................................................................................................................................................ 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_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/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_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/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_b449a40c-2b15-401e-bf51-4838188f6ebe/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 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 ................................................................................................................................................................................................................................................................... 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 00:50:07,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:50:07,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:50:07,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:50:07,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:50:07,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:50:07,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:50:07,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:50:07,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:50:07,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:50:07,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:50:07,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:50:07,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:50:07,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:50:07,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:50:08,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:50:08,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:50:08,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:50:08,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:50:08,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:50:08,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:50:08,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:50:08,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:50:08,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:50:08,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:50:08,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:50:08,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:50:08,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:50:08,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:50:08,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:50:08,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:50:08,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:50:08,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:50:08,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:50:08,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:50:08,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:50:08,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:50:08,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:50:08,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:50:08,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:50:08,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:50:08,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:50:08,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:50:08,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:50:08,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:50:08,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:50:08,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:50:08,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:50:08,129 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:50:08,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:50:08,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:50:08,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:50:08,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:50:08,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:50:08,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:50:08,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:50:08,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:50:08,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:50:08,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:50:08,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:50:08,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:50:08,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:50:08,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:50:08,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:50:08,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:08,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:50:08,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:50:08,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:50:08,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:50:08,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:50:08,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:50:08,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:50:08,140 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_b449a40c-2b15-401e-bf51-4838188f6ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2021-10-13 00:50:08,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:50:08,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:50:08,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:50:08,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:50:08,600 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:50:08,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-10-13 00:50:08,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/d122b7623/dbd838b7d4ea4aa0bfdd506e98c38c2f/FLAGc43b3e180 [2021-10-13 00:50:09,288 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:50:09,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-10-13 00:50:09,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/d122b7623/dbd838b7d4ea4aa0bfdd506e98c38c2f/FLAGc43b3e180 [2021-10-13 00:50:09,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/d122b7623/dbd838b7d4ea4aa0bfdd506e98c38c2f [2021-10-13 00:50:09,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:50:09,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:50:09,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:09,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:50:09,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:50:09,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:09" (1/1) ... [2021-10-13 00:50:09,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bd7e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:09, skipping insertion in model container [2021-10-13 00:50:09,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:09" (1/1) ... [2021-10-13 00:50:09,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:50:09,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:50:10,108 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_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-10-13 00:50:10,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:10,136 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:50:10,224 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_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-10-13 00:50:10,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:10,265 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:50:10,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10 WrapperNode [2021-10-13 00:50:10,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:10,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:10,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:50:10,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:50:10,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:10,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:50:10,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:50:10,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:50:10,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:50:10,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:50:10,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:50:10,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:50:10,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (1/1) ... [2021-10-13 00:50:10,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:10,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:10,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:10,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:50:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:50:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:50:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:50:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:50:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:50:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:50:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:50:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:50:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:50:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:50:11,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:50:11,402 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 00:50:11,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:11 BoogieIcfgContainer [2021-10-13 00:50:11,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:50:11,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:50:11,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:50:11,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:50:11,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:09" (1/3) ... [2021-10-13 00:50:11,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de6b415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:11, skipping insertion in model container [2021-10-13 00:50:11,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:10" (2/3) ... [2021-10-13 00:50:11,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de6b415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:11, skipping insertion in model container [2021-10-13 00:50:11,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:11" (3/3) ... [2021-10-13 00:50:11,416 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2021-10-13 00:50:11,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:50:11,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:50:11,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:50:11,496 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 00:50:11,496 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:50:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 00:50:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:50:11,526 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:50:11,527 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:50:11,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:50:11,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:11,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2021-10-13 00:50:11,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:11,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495990073] [2021-10-13 00:50:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:11,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:50:11,790 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 00:50:11,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:50:11,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495990073] [2021-10-13 00:50:11,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495990073] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:50:11,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:50:11,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:50:11,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250617655] [2021-10-13 00:50:11,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:50:11,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:50:11,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:50:11,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:50:11,821 INFO L87 Difference]: Start difference. First operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:50:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:50:11,854 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2021-10-13 00:50:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:50:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-10-13 00:50:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:50:11,870 INFO L225 Difference]: With dead ends: 216 [2021-10-13 00:50:11,870 INFO L226 Difference]: Without dead ends: 106 [2021-10-13 00:50:11,874 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 00:50:11,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-13 00:50:11,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-10-13 00:50:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.4666666666666666) internal successors, (154), 105 states have internal predecessors, (154), 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 00:50:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2021-10-13 00:50:11,929 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2021-10-13 00:50:11,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:50:11,929 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2021-10-13 00:50:11,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 00:50:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2021-10-13 00:50:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 00:50:11,932 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:50:11,932 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:50:11,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:50:11,933 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:50:11,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:11,934 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2021-10-13 00:50:11,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:11,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729843826] [2021-10-13 00:50:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:11,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:12,023 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:50:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:12,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:50:12,212 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:50:12,215 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:50:12,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:50:12,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:50:12,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:50:12 BoogieIcfgContainer [2021-10-13 00:50:12,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:50:12,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:50:12,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:50:12,274 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:50:12,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:11" (3/4) ... [2021-10-13 00:50:12,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:50:12,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:50:12,282 INFO L168 Benchmark]: Toolchain (without parser) took 2646.51 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 44.0 MB in the beginning and 64.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:12,283 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:12,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.06 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 43.8 MB in the beginning and 80.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:12,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.14 ms. Allocated memory is still 111.1 MB. Free memory was 80.2 MB in the beginning and 77.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:12,286 INFO L168 Benchmark]: Boogie Preprocessor took 90.64 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 74.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:12,288 INFO L168 Benchmark]: RCFGBuilder took 964.54 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 49.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:12,288 INFO L168 Benchmark]: TraceAbstraction took 865.70 ms. Allocated memory is still 111.1 MB. Free memory was 49.3 MB in the beginning and 64.9 MB in the end (delta: -15.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:12,289 INFO L168 Benchmark]: Witness Printer took 6.45 ms. Allocated memory is still 111.1 MB. Free memory was 64.9 MB in the beginning and 64.3 MB in the end (delta: 569.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:12,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.06 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 43.8 MB in the beginning and 80.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.14 ms. Allocated memory is still 111.1 MB. Free memory was 80.2 MB in the beginning and 77.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.64 ms. Allocated memory is still 111.1 MB. Free memory was 77.1 MB in the beginning and 74.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 964.54 ms. Allocated memory is still 111.1 MB. Free memory was 74.5 MB in the beginning and 49.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 865.70 ms. Allocated memory is still 111.1 MB. Free memory was 49.3 MB in the beginning and 64.9 MB in the end (delta: -15.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.45 ms. Allocated memory is still 111.1 MB. Free memory was 64.9 MB in the beginning and 64.3 MB in the end (delta: 569.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 230]: 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 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 223, 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] [L223] float x = -0.0f; [L224] 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] [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != -pi 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] [L230] 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, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 737.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.7ms, AutomataDifference: 72.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 157 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=109occurred 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: 34.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 124.7ms SatisfiabilityAnalysisTime, 102.1ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 00:50:12,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/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 00:50:15,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:50:15,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:50:15,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:50:15,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:50:15,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:50:15,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:50:15,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:50:15,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:50:15,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:50:15,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:50:15,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:50:15,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:50:15,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:50:15,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:50:15,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:50:15,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:50:15,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:50:15,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:50:15,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:50:15,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:50:15,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:50:15,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:50:15,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:50:15,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:50:15,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:50:15,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:50:15,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:50:15,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:50:15,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:50:15,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:50:15,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:50:15,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:50:15,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:50:15,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:50:15,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:50:15,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:50:15,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:50:15,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:50:15,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:50:15,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:50:15,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:50:15,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:50:15,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:50:15,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:50:15,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:50:15,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:50:15,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:50:15,638 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:50:15,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:50:15,638 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:50:15,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:50:15,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:50:15,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:50:15,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:50:15,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:50:15,641 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:50:15,641 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:50:15,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:50:15,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:50:15,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:50:15,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:50:15,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:50:15,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:50:15,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:50:15,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:15,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:50:15,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:50:15,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:50:15,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:50:15,645 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:50:15,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:50:15,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:50:15,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:50:15,646 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_b449a40c-2b15-401e-bf51-4838188f6ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ac5f25065b71c7d4d531ca5ff8c624387fb5ef3 [2021-10-13 00:50:16,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:50:16,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:50:16,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:50:16,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:50:16,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:50:16,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-10-13 00:50:16,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/2bc83c84b/d79ab18c7bc24229ab87041461c5e263/FLAG922d89843 [2021-10-13 00:50:17,050 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:50:17,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c [2021-10-13 00:50:17,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/2bc83c84b/d79ab18c7bc24229ab87041461c5e263/FLAG922d89843 [2021-10-13 00:50:17,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/data/2bc83c84b/d79ab18c7bc24229ab87041461c5e263 [2021-10-13 00:50:17,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:50:17,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:50:17,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:17,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:50:17,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:50:17,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa2119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17, skipping insertion in model container [2021-10-13 00:50:17,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:50:17,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:50:17,662 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_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-10-13 00:50:17,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:17,685 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:50:17,781 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_b449a40c-2b15-401e-bf51-4838188f6ebe/sv-benchmarks/c/float-newlib/float_req_bl_0680b.c[5223,5236] [2021-10-13 00:50:17,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:17,810 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:50:17,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17 WrapperNode [2021-10-13 00:50:17,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:17,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:17,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:50:17,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:50:17,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:17,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:50:17,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:50:17,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:50:17,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:17,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:18,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:18,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:50:18,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:50:18,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:50:18,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:50:18,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (1/1) ... [2021-10-13 00:50:18,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:18,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:18,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:18,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:50:18,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 00:50:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:50:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:50:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 00:50:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:50:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:50:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:50:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 00:50:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:50:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:50:42,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:50:42,934 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 00:50:42,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:42 BoogieIcfgContainer [2021-10-13 00:50:42,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:50:42,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:50:42,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:50:42,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:50:42,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:17" (1/3) ... [2021-10-13 00:50:42,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735a3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:42, skipping insertion in model container [2021-10-13 00:50:42,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:17" (2/3) ... [2021-10-13 00:50:42,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735a3bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:42, skipping insertion in model container [2021-10-13 00:50:42,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:42" (3/3) ... [2021-10-13 00:50:42,961 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0680b.c [2021-10-13 00:50:42,966 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:50:42,966 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:50:43,052 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:50:43,065 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 00:50:43,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:50:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7009345794392523) internal successors, (182), 108 states have internal predecessors, (182), 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 00:50:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 00:50:43,126 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:50:43,127 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:50:43,128 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:50:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:43,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2021-10-13 00:50:43,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:50:43,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933328946] [2021-10-13 00:50:43,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:43,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:50:43,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:50:43,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:50:43,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:50:43,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:50:43,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:50:43,505 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 00:50:43,516 INFO L168 Benchmark]: Toolchain (without parser) took 26155.82 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 32.6 MB in the beginning and 34.9 MB in the end (delta: -2.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,516 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:43,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.36 ms. Allocated memory is still 54.5 MB. Free memory was 32.3 MB in the beginning and 31.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.85 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 27.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,521 INFO L168 Benchmark]: Boogie Preprocessor took 101.65 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.5 MB in the beginning and 55.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,523 INFO L168 Benchmark]: RCFGBuilder took 24914.65 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 45.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,530 INFO L168 Benchmark]: TraceAbstraction took 572.56 ms. Allocated memory is still 73.4 MB. Free memory was 44.6 MB in the beginning and 34.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:43,537 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 54.5 MB. Free memory is still 35.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.36 ms. Allocated memory is still 54.5 MB. Free memory was 32.3 MB in the beginning and 31.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.85 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 27.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.65 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 27.5 MB in the beginning and 55.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24914.65 ms. Allocated memory is still 73.4 MB. Free memory was 55.1 MB in the beginning and 45.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 572.56 ms. Allocated memory is still 73.4 MB. Free memory was 44.6 MB in the beginning and 34.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 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 00:50:43,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b449a40c-2b15-401e-bf51-4838188f6ebe/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...