./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.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_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/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_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/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_76a85bef-fefd-46e1-b36c-4aa4f905157c/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 f0d9ad6e2f8e5d338ebe767968caad154994a4d6 .......................................................................................................................................................................................................................................................................................................................................... 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/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_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/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_76a85bef-fefd-46e1-b36c-4aa4f905157c/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 f0d9ad6e2f8e5d338ebe767968caad154994a4d6 ................................................................................................................................................................................................................................................................... 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 01:01:52,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:52,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:52,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:52,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:52,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:52,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:52,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:52,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:52,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:52,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:52,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:52,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:52,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:52,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:52,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:52,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:52,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:52,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:52,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:52,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:52,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:52,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:52,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:52,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:52,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:52,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:52,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:52,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:52,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:52,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:52,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:52,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:52,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:52,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:52,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:52,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:52,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:52,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:52,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:52,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:52,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:01:52,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:52,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:52,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:52,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:52,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:52,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:52,502 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:52,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:52,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:01:52,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:52,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:01:52,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:52,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:01:52,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:01:52,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:01:52,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:01:52,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:01:52,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:52,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:01:52,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:52,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:52,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:01:52,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:52,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:52,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:01:52,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:01:52,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:01:52,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:01:52,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:01:52,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:52,512 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d9ad6e2f8e5d338ebe767968caad154994a4d6 [2021-10-13 01:01:52,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:52,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:52,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:52,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:52,944 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:52,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 01:01:53,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/c91e5c698/1c1c0cd1231a49e8b3bd5ac0319a6bc3/FLAGaedc12db9 [2021-10-13 01:01:53,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:53,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 01:01:53,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/c91e5c698/1c1c0cd1231a49e8b3bd5ac0319a6bc3/FLAGaedc12db9 [2021-10-13 01:01:53,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/c91e5c698/1c1c0cd1231a49e8b3bd5ac0319a6bc3 [2021-10-13 01:01:53,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:53,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:01:53,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:53,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:53,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:53,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:53" (1/1) ... [2021-10-13 01:01:53,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d308334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:53, skipping insertion in model container [2021-10-13 01:01:53,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:53" (1/1) ... [2021-10-13 01:01:54,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:54,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:54,379 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 01:01:54,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:54,408 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:01:54,519 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 01:01:54,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:54,568 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:01:54,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54 WrapperNode [2021-10-13 01:01:54,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:54,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:54,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:01:54,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:01:54,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:54,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:01:54,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:01:54,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:01:54,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:01:54,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:01:54,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:01:54,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:01:54,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (1/1) ... [2021-10-13 01:01:54,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:01:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:54,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:54,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:01:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:01:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:01:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 01:01:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:01:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 01:01:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:01:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:01:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:01:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 01:01:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:01:55,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:01:55,815 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 01:01:55,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:55 BoogieIcfgContainer [2021-10-13 01:01:55,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:01:55,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:01:55,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:01:55,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:01:55,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:01:53" (1/3) ... [2021-10-13 01:01:55,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12be0332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:55, skipping insertion in model container [2021-10-13 01:01:55,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:54" (2/3) ... [2021-10-13 01:01:55,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12be0332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:01:55, skipping insertion in model container [2021-10-13 01:01:55,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:55" (3/3) ... [2021-10-13 01:01:55,846 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-10-13 01:01:55,857 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:01:55,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:01:55,930 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:01:55,942 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 01:01:55,942 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:01:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 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 01:01:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 01:01:55,991 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:55,992 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:55,993 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:56,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash -701283450, now seen corresponding path program 1 times [2021-10-13 01:01:56,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:56,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590401145] [2021-10-13 01:01:56,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:56,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:56,279 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 01:01:56,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:56,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590401145] [2021-10-13 01:01:56,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590401145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:56,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:56,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:01:56,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738144192] [2021-10-13 01:01:56,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:01:56,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:56,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:01:56,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:01:56,310 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:01:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:56,347 INFO L93 Difference]: Finished difference Result 228 states and 380 transitions. [2021-10-13 01:01:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:01:56,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2021-10-13 01:01:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:01:56,362 INFO L225 Difference]: With dead ends: 228 [2021-10-13 01:01:56,362 INFO L226 Difference]: Without dead ends: 111 [2021-10-13 01:01:56,366 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 01:01:56,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-13 01:01:56,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-13 01:01:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.4454545454545455) internal successors, (159), 110 states have internal predecessors, (159), 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 01:01:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2021-10-13 01:01:56,417 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 14 [2021-10-13 01:01:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:01:56,418 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2021-10-13 01:01:56,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 01:01:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2021-10-13 01:01:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 01:01:56,420 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:01:56,420 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:56,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:01:56,421 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:01:56,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:56,422 INFO L82 PathProgramCache]: Analyzing trace with hash 69437810, now seen corresponding path program 1 times [2021-10-13 01:01:56,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:56,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584080837] [2021-10-13 01:01:56,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:56,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:56,646 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:56,828 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:56,828 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 01:01:56,830 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:01:56,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:01:56,840 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:01:56,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:01:56 BoogieIcfgContainer [2021-10-13 01:01:56,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:01:56,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:01:56,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:01:56,891 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:01:56,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:55" (3/4) ... [2021-10-13 01:01:56,896 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:01:56,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:01:56,899 INFO L168 Benchmark]: Toolchain (without parser) took 2919.63 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 50.8 MB in the beginning and 56.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:56,899 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:56,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.98 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 84.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:56,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.46 ms. Allocated memory is still 113.2 MB. Free memory was 84.6 MB in the beginning and 81.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:56,903 INFO L168 Benchmark]: Boogie Preprocessor took 96.67 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 78.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:56,904 INFO L168 Benchmark]: RCFGBuilder took 1053.47 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 52.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:01:56,904 INFO L168 Benchmark]: TraceAbstraction took 1057.99 ms. Allocated memory is still 113.2 MB. Free memory was 52.2 MB in the beginning and 56.8 MB in the end (delta: -4.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:56,905 INFO L168 Benchmark]: Witness Printer took 5.78 ms. Allocated memory is still 113.2 MB. Free memory was 56.8 MB in the beginning and 56.3 MB in the end (delta: 526.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:01:56,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.98 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 84.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.46 ms. Allocated memory is still 113.2 MB. Free memory was 84.6 MB in the beginning and 81.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.67 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 78.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1053.47 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 52.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1057.99 ms. Allocated memory is still 113.2 MB. Free memory was 52.2 MB in the beginning and 56.8 MB in the end (delta: -4.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.78 ms. Allocated memory is still 113.2 MB. Free memory was 56.8 MB in the beginning and 56.3 MB in the end (delta: 526.9 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: 245]: 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 244, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, 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] [L236] float x = __VERIFIER_nondet_float(); [L237] float y = -1.0f / 0.0f; [L219] __int32_t ix; 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] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); 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] [L239] COND TRUE isfinite_float(x) [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] [L241] float res = __ieee754_atan2f(y, x); [L244] COND TRUE res != -pi_o_2 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] [L245] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 910.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 26.3ms, AutomataDifference: 74.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 164 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=115occurred 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: 33.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.0ms SsaConstructionTime, 258.7ms SatisfiabilityAnalysisTime, 75.5ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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 01:01:56,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/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 01:02:00,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:02:00,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:02:00,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:02:00,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:02:00,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:02:00,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:02:00,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:02:00,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:02:00,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:02:00,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:02:00,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:02:00,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:02:00,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:02:00,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:02:00,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:02:00,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:02:00,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:02:00,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:02:00,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:02:00,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:02:00,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:02:00,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:02:00,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:02:00,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:02:00,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:02:00,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:02:00,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:02:00,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:02:00,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:02:00,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:02:00,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:02:00,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:02:00,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:02:00,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:02:00,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:02:00,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:02:00,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:02:00,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:02:00,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:02:00,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:02:00,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 01:02:00,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:02:00,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:02:00,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:02:00,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:02:00,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:02:00,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:02:00,430 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:02:00,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:02:00,431 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:02:00,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:02:00,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:02:00,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:02:00,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:02:00,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:02:00,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:02:00,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:02:00,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:02:00,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:02:00,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:02:00,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:02:00,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:02:00,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:02:00,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:02:00,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:00,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:02:00,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:02:00,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:02:00,439 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:02:00,439 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:02:00,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:02:00,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:02:00,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:02:00,440 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d9ad6e2f8e5d338ebe767968caad154994a4d6 [2021-10-13 01:02:00,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:02:00,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:02:00,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:02:00,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:02:00,922 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:02:00,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 01:02:01,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/d561cad80/bc46fbe406574746a1ee92f005f6ddc2/FLAG9e9134fb3 [2021-10-13 01:02:01,773 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:02:01,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2021-10-13 01:02:01,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/d561cad80/bc46fbe406574746a1ee92f005f6ddc2/FLAG9e9134fb3 [2021-10-13 01:02:02,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/data/d561cad80/bc46fbe406574746a1ee92f005f6ddc2 [2021-10-13 01:02:02,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:02:02,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:02:02,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:02,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:02:02,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:02:02,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b48344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02, skipping insertion in model container [2021-10-13 01:02:02,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:02:02,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:02,437 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 01:02:02,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:02,494 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:02:02,595 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_76a85bef-fefd-46e1-b36c-4aa4f905157c/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c[5556,5569] [2021-10-13 01:02:02,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:02,628 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:02:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02 WrapperNode [2021-10-13 01:02:02,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:02,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:02,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:02:02,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:02:02,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:02,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:02:02,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:02:02,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:02:02,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:02:02,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:02:02,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:02:02,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:02:02,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (1/1) ... [2021-10-13 01:02:02,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:02,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:02,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:02:02,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:02:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 01:02:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 01:02:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:02:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 01:02:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 01:02:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:02:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:02:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 01:02:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 01:02:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:02:27,167 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:02:27,168 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 01:02:27,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:27 BoogieIcfgContainer [2021-10-13 01:02:27,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:02:27,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:02:27,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:02:27,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:02:27,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:02:02" (1/3) ... [2021-10-13 01:02:27,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daa5aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:27, skipping insertion in model container [2021-10-13 01:02:27,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:02" (2/3) ... [2021-10-13 01:02:27,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daa5aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:27, skipping insertion in model container [2021-10-13 01:02:27,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:27" (3/3) ... [2021-10-13 01:02:27,186 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0684b.c [2021-10-13 01:02:27,194 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:02:27,195 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 01:02:27,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:02:27,273 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 01:02:27,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 01:02:27,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.6902654867256637) internal successors, (191), 114 states have internal predecessors, (191), 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 01:02:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 01:02:27,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:27,303 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:27,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:27,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:27,311 INFO L82 PathProgramCache]: Analyzing trace with hash -701283450, now seen corresponding path program 1 times [2021-10-13 01:02:27,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 01:02:27,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124459138] [2021-10-13 01:02:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:27,329 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 01:02:27,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 01:02:27,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 01:02:27,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 01:02:27,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:02:27,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 01:02:27,675 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 01:02:27,681 INFO L168 Benchmark]: Toolchain (without parser) took 25599.16 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 32.8 MB in the end (delta: -3.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,682 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory is still 32.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:27,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.21 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.7 MB in the beginning and 43.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.40 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 39.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,690 INFO L168 Benchmark]: Boogie Preprocessor took 137.61 ms. Allocated memory is still 65.0 MB. Free memory was 39.7 MB in the beginning and 36.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,691 INFO L168 Benchmark]: RCFGBuilder took 24284.11 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 43.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,692 INFO L168 Benchmark]: TraceAbstraction took 504.76 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 32.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:27,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory is still 32.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 547.21 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.7 MB in the beginning and 43.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.40 ms. Allocated memory is still 65.0 MB. Free memory was 43.2 MB in the beginning and 39.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 137.61 ms. Allocated memory is still 65.0 MB. Free memory was 39.7 MB in the beginning and 36.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24284.11 ms. Allocated memory is still 65.0 MB. Free memory was 36.3 MB in the beginning and 43.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 504.76 ms. Allocated memory is still 65.0 MB. Free memory was 43.1 MB in the beginning and 32.8 MB in the end (delta: 10.3 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 01:02:27,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76a85bef-fefd-46e1-b36c-4aa4f905157c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...