./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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 1efcda3c8e82047a1882f782282ebcbc84855c8e ................................................................................................................................................................................................................................................................................................................................. 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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 1efcda3c8e82047a1882f782282ebcbc84855c8e ................................................................................................................................................................................................................................................................... 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 00:50:41,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:50:41,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:50:41,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:50:41,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:50:41,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:50:41,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:50:41,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:50:41,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:50:41,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:50:41,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:50:41,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:50:41,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:50:41,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:50:41,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:50:41,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:50:41,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:50:41,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:50:41,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:50:41,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:50:41,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:50:41,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:50:41,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:50:41,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:50:41,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:50:41,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:50:41,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:50:41,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:50:41,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:50:41,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:50:41,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:50:41,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:50:41,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:50:41,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:50:41,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:50:41,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:50:41,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:50:41,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:50:41,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:50:41,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:50:41,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:50:41,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:50:41,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:50:41,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:50:41,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:50:41,447 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:50:41,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:50:41,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:50:41,457 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:50:41,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:50:41,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:50:41,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:50:41,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:50:41,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:50:41,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:50:41,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:50:41,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:50:41,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:50:41,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:50:41,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:50:41,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:50:41,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:50:41,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:50:41,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:50:41,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:41,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:50:41,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:50:41,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:50:41,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:50:41,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:50:41,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:50:41,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:50:41,467 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1efcda3c8e82047a1882f782282ebcbc84855c8e [2021-10-13 00:50:41,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:50:41,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:50:41,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:50:41,877 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:50:41,878 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:50:41,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-10-13 00:50:41,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/5ae7fd71b/b17a9ea0693e4ce49114538b9e1f6c7a/FLAG8a180418e [2021-10-13 00:50:42,622 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:50:42,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-10-13 00:50:42,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/5ae7fd71b/b17a9ea0693e4ce49114538b9e1f6c7a/FLAG8a180418e [2021-10-13 00:50:42,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/5ae7fd71b/b17a9ea0693e4ce49114538b9e1f6c7a [2021-10-13 00:50:42,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:50:42,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:50:42,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:42,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:50:42,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:50:42,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:42" (1/1) ... [2021-10-13 00:50:42,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32daf0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:42, skipping insertion in model container [2021-10-13 00:50:42,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:42" (1/1) ... [2021-10-13 00:50:42,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:50:42,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:50:43,297 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-10-13 00:50:43,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:43,314 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:50:43,411 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-10-13 00:50:43,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:43,449 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:50:43,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43 WrapperNode [2021-10-13 00:50:43,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:43,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:43,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:50:43,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:50:43,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:43,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:50:43,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:50:43,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:50:43,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:50:43,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:50:43,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:50:43,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:50:43,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (1/1) ... [2021-10-13 00:50:43,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:43,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:50:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:50:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:50:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 00:50:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:50:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 00:50:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:50:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:50:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:50:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 00:50:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:50:44,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:50:44,659 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 00:50:44,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:44 BoogieIcfgContainer [2021-10-13 00:50:44,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:50:44,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:50:44,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:50:44,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:50:44,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:42" (1/3) ... [2021-10-13 00:50:44,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f61bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:44, skipping insertion in model container [2021-10-13 00:50:44,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:43" (2/3) ... [2021-10-13 00:50:44,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f61bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:50:44, skipping insertion in model container [2021-10-13 00:50:44,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:44" (3/3) ... [2021-10-13 00:50:44,683 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2021-10-13 00:50:44,691 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:50:44,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:50:44,767 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:50:44,780 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 00:50:44,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:50:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 00:50:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:50:44,830 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:50:44,831 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:50:44,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:50:44,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-10-13 00:50:44,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:44,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946818833] [2021-10-13 00:50:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:44,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:50:45,113 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 00:50:45,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:50:45,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946818833] [2021-10-13 00:50:45,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946818833] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:50:45,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:50:45,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:50:45,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378367099] [2021-10-13 00:50:45,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:50:45,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:50:45,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:50:45,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:50:45,149 INFO L87 Difference]: Start difference. First operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:50:45,205 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2021-10-13 00:50:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:50:45,207 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 00:50:45,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:50:45,220 INFO L225 Difference]: With dead ends: 219 [2021-10-13 00:50:45,220 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 00:50:45,224 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 00:50:45,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 00:50:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-13 00:50:45,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 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 00:50:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-10-13 00:50:45,299 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2021-10-13 00:50:45,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:50:45,300 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-10-13 00:50:45,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:50:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-10-13 00:50:45,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 00:50:45,303 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:50:45,303 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:50:45,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:50:45,304 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:50:45,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:50:45,305 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2021-10-13 00:50:45,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:50:45,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59610200] [2021-10-13 00:50:45,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:50:45,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:50:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:45,488 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:50:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:50:45,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:50:45,655 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:50:45,659 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:50:45,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:50:45,669 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:50:45,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:50:45 BoogieIcfgContainer [2021-10-13 00:50:45,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:50:45,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:50:45,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:50:45,746 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:50:45,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:50:44" (3/4) ... [2021-10-13 00:50:45,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:50:45,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:50:45,756 INFO L168 Benchmark]: Toolchain (without parser) took 2839.82 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 49.9 MB in the beginning and 69.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,757 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:45,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.26 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 49.8 MB in the beginning and 79.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.85 ms. Allocated memory is still 107.0 MB. Free memory was 79.1 MB in the beginning and 75.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,770 INFO L168 Benchmark]: Boogie Preprocessor took 95.77 ms. Allocated memory is still 107.0 MB. Free memory was 75.7 MB in the beginning and 73.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,770 INFO L168 Benchmark]: RCFGBuilder took 1037.61 ms. Allocated memory is still 107.0 MB. Free memory was 72.8 MB in the beginning and 73.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,771 INFO L168 Benchmark]: TraceAbstraction took 1069.37 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 69.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:50:45,771 INFO L168 Benchmark]: Witness Printer took 8.36 ms. Allocated memory is still 107.0 MB. Free memory is still 69.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:50:45,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.26 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 49.8 MB in the beginning and 79.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.85 ms. Allocated memory is still 107.0 MB. Free memory was 79.1 MB in the beginning and 75.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.77 ms. Allocated memory is still 107.0 MB. Free memory was 75.7 MB in the beginning and 73.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1037.61 ms. Allocated memory is still 107.0 MB. Free memory was 72.8 MB in the beginning and 73.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1069.37 ms. Allocated memory is still 107.0 MB. Free memory was 73.5 MB in the beginning and 69.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 8.36 ms. Allocated memory is still 107.0 MB. Free memory is still 69.2 MB. 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: 231]: 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 230, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 218, 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] [L218] float x = -0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE 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] [L227] float res = __ieee754_atan2f(y, x); [L230] 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] [L231] 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, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 902.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 29.7ms, AutomataDifference: 98.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 160 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=111occurred 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: 57.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.0ms SsaConstructionTime, 201.4ms SatisfiabilityAnalysisTime, 121.8ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 00:50:45,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:50:48,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:50:48,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:50:48,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:50:48,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:50:48,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:50:48,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:50:48,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:50:48,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:50:48,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:50:48,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:50:48,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:50:48,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:50:48,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:50:48,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:50:48,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:50:48,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:50:48,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:50:48,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:50:48,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:50:48,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:50:48,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:50:48,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:50:48,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:50:48,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:50:48,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:50:48,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:50:48,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:50:48,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:50:48,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:50:48,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:50:48,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:50:48,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:50:48,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:50:48,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:50:48,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:50:48,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:50:48,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:50:48,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:50:48,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:50:48,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:50:48,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 00:50:49,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:50:49,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:50:49,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:50:49,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:50:49,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:50:49,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:50:49,044 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:50:49,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:50:49,044 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:50:49,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:50:49,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:50:49,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:50:49,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:50:49,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:50:49,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:50:49,048 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:50:49,048 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:50:49,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:50:49,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:50:49,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:50:49,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:50:49,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:50:49,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:50:49,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:49,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:50:49,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:50:49,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:50:49,052 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:50:49,052 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:50:49,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:50:49,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:50:49,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:50:49,054 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1efcda3c8e82047a1882f782282ebcbc84855c8e [2021-10-13 00:50:49,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:50:49,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:50:49,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:50:49,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:50:49,556 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:50:49,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-10-13 00:50:49,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/6afcc2a04/5534aa0db4cd42c2b9e1e08491eec13d/FLAG6b8d99fe4 [2021-10-13 00:50:50,370 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:50:50,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2021-10-13 00:50:50,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/6afcc2a04/5534aa0db4cd42c2b9e1e08491eec13d/FLAG6b8d99fe4 [2021-10-13 00:50:50,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/data/6afcc2a04/5534aa0db4cd42c2b9e1e08491eec13d [2021-10-13 00:50:50,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:50:50,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:50:50,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:50,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:50:50,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:50:50,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:50" (1/1) ... [2021-10-13 00:50:50,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd318f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:50, skipping insertion in model container [2021-10-13 00:50:50,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:50:50" (1/1) ... [2021-10-13 00:50:50,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:50:50,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:50:50,978 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-10-13 00:50:50,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:51,013 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:50:51,210 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_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c[5276,5289] [2021-10-13 00:50:51,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:50:51,255 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:50:51,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51 WrapperNode [2021-10-13 00:50:51,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:50:51,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:51,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:50:51,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:50:51,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:50:51,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:50:51,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:50:51,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:50:51,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:50:51,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:50:51,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:50:51,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:50:51,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (1/1) ... [2021-10-13 00:50:51,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:50:51,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:50:51,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:50:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:50:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-13 00:50:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 00:50:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:50:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-13 00:50:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 00:50:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:50:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:50:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-13 00:50:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 00:50:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:51:14,607 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:51:14,608 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 00:51:14,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:14 BoogieIcfgContainer [2021-10-13 00:51:14,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:51:14,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:51:14,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:51:14,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:51:14,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:50:50" (1/3) ... [2021-10-13 00:51:14,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39285782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:14, skipping insertion in model container [2021-10-13 00:51:14,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:50:51" (2/3) ... [2021-10-13 00:51:14,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39285782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:14, skipping insertion in model container [2021-10-13 00:51:14,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:14" (3/3) ... [2021-10-13 00:51:14,622 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2021-10-13 00:51:14,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:51:14,630 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:51:14,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:51:14,728 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 00:51:14,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:51:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 109 states have (on average 1.6972477064220184) internal successors, (185), 110 states have internal predecessors, (185), 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 00:51:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 00:51:14,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:14,757 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:51:14,758 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:14,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2021-10-13 00:51:14,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 00:51:14,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21419710] [2021-10-13 00:51:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:14,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 00:51:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/mathsat [2021-10-13 00:51:14,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 00:51:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 00:51:14,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:51:15,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/mathsat -unsat_core_generation=3 [2021-10-13 00:51:15,157 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 00:51:15,162 INFO L168 Benchmark]: Toolchain (without parser) took 24489.92 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.7 MB in the beginning and 49.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:15,163 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:51:15,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.78 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 56.5 MB in the end (delta: -23.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:15,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.07 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:15,166 INFO L168 Benchmark]: Boogie Preprocessor took 140.79 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 49.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:15,167 INFO L168 Benchmark]: RCFGBuilder took 23082.31 ms. Allocated memory is still 77.6 MB. Free memory was 49.5 MB in the beginning and 38.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:51:15,167 INFO L168 Benchmark]: TraceAbstraction took 546.46 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 49.6 MB in the end (delta: -11.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:51:15,171 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 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 583.78 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 56.5 MB in the end (delta: -23.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.07 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 53.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 140.79 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 49.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23082.31 ms. Allocated memory is still 77.6 MB. Free memory was 49.5 MB in the beginning and 38.4 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 546.46 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 49.6 MB in the end (delta: -11.7 MB). There was no memory consumed. 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 00:51:15,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88adc3b7-c1ec-43cb-9c36-5270c5df06cb/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...