./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:44:54,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:44:54,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:44:54,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:44:54,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:44:54,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:44:54,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:44:54,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:44:54,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:44:54,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:44:54,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:44:54,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:44:54,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:44:54,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:44:54,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:44:54,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:44:54,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:44:54,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:44:54,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:44:54,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:44:54,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:44:54,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:44:54,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:44:54,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:44:54,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:44:54,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:44:54,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:44:54,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:44:54,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:44:54,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:44:54,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:44:54,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:44:54,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:44:54,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:44:54,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:44:54,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:44:54,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:44:54,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:44:54,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:44:54,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:44:54,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:44:54,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:44:54,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:44:54,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:44:54,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:44:54,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:44:54,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:44:54,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:44:54,596 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:44:54,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:44:54,597 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:44:54,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:44:54,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:44:54,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:44:54,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:44:54,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:44:54,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:44:54,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:44:54,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:44:54,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:44:54,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:44:54,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:44:54,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:44:54,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:44:54,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:44:54,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:44:54,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:44:54,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:44:54,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:44:54,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:44:54,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:44:54,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:44:54,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:44:54,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:44:54,605 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-15 19:44:54,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:44:54,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:44:54,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:44:54,964 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:44:54,965 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:44:54,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-15 19:44:55,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/7784835a9/6bdbe968df874f71a764ca495397c2b2/FLAG799dfe20e [2021-10-15 19:44:55,521 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:44:55,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-15 19:44:55,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/7784835a9/6bdbe968df874f71a764ca495397c2b2/FLAG799dfe20e [2021-10-15 19:44:55,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/7784835a9/6bdbe968df874f71a764ca495397c2b2 [2021-10-15 19:44:55,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:44:55,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:44:55,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:44:55,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:44:55,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:44:55,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:44:55" (1/1) ... [2021-10-15 19:44:55,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1039a5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:55, skipping insertion in model container [2021-10-15 19:44:55,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:44:55" (1/1) ... [2021-10-15 19:44:55,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:44:55,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:44:56,204 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-15 19:44:56,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:44:56,218 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:44:56,271 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-15 19:44:56,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:44:56,298 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:44:56,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56 WrapperNode [2021-10-15 19:44:56,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:44:56,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:44:56,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:44:56,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:44:56,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:44:56,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:44:56,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:44:56,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:44:56,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:44:56,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:44:56,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:44:56,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:44:56,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (1/1) ... [2021-10-15 19:44:56,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:44:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:44:56,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:44:56,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:44:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:44:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:44:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:44:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:44:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:44:57,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:44:57,251 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-15 19:44:57,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:44:57 BoogieIcfgContainer [2021-10-15 19:44:57,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:44:57,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:44:57,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:44:57,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:44:57,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:44:55" (1/3) ... [2021-10-15 19:44:57,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:44:57, skipping insertion in model container [2021-10-15 19:44:57,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:44:56" (2/3) ... [2021-10-15 19:44:57,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d78b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:44:57, skipping insertion in model container [2021-10-15 19:44:57,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:44:57" (3/3) ... [2021-10-15 19:44:57,268 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-15 19:44:57,277 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:44:57,277 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:44:57,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:44:57,337 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=PETRI_NET, 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 [2021-10-15 19:44:57,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:44:57,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:44:57,403 INFO L129 PetriNetUnfolder]: 77/190 cut-off events. [2021-10-15 19:44:57,407 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:44:57,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 190 events. 77/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 510 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 19:44:57,410 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:44:57,447 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 186 transitions, 372 flow [2021-10-15 19:44:57,453 INFO L129 PetriNetUnfolder]: 11/40 cut-off events. [2021-10-15 19:44:57,454 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:44:57,454 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:44:57,455 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:44:57,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:44:57,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:44:57,462 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-15 19:44:57,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:44:57,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867560076] [2021-10-15 19:44:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:44:57,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:44:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:44:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:44:57,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:44:57,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867560076] [2021-10-15 19:44:57,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867560076] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:44:57,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:44:57,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:44:57,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105630021] [2021-10-15 19:44:57,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:44:57,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:44:57,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:44:57,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:44:57,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 190 [2021-10-15 19:44:57,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 186 transitions, 372 flow. Second operand has 2 states, 2 states have (on average 164.0) internal successors, (328), 2 states have internal predecessors, (328), 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) [2021-10-15 19:44:57,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:44:57,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 190 [2021-10-15 19:44:57,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:44:57,797 INFO L129 PetriNetUnfolder]: 50/160 cut-off events. [2021-10-15 19:44:57,798 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:44:57,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 160 events. 50/160 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 402 event pairs, 0 based on Foata normal form. 26/136 useless extension candidates. Maximal degree in co-relation 160. Up to 20 conditions per place. [2021-10-15 19:44:57,802 INFO L132 encePairwiseOnDemand]: 164/190 looper letters, 0 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2021-10-15 19:44:57,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 160 transitions, 320 flow [2021-10-15 19:44:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:44:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:44:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 352 transitions. [2021-10-15 19:44:57,818 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9263157894736842 [2021-10-15 19:44:57,819 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 352 transitions. [2021-10-15 19:44:57,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 352 transitions. [2021-10-15 19:44:57,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:44:57,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 352 transitions. [2021-10-15 19:44:57,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.0) internal successors, (352), 2 states have internal predecessors, (352), 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) [2021-10-15 19:44:57,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2021-10-15 19:44:57,836 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2021-10-15 19:44:57,839 INFO L186 Difference]: Start difference. First operand has 111 places, 186 transitions, 372 flow. Second operand 2 states and 352 transitions. [2021-10-15 19:44:57,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 160 transitions, 320 flow [2021-10-15 19:44:57,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 160 transitions, 320 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:44:57,850 INFO L242 Difference]: Finished difference. Result has 112 places, 160 transitions, 320 flow [2021-10-15 19:44:57,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=320, PETRI_PLACES=112, PETRI_TRANSITIONS=160} [2021-10-15 19:44:57,854 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2021-10-15 19:44:57,854 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 160 transitions, 320 flow [2021-10-15 19:44:57,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 164.0) internal successors, (328), 2 states have internal predecessors, (328), 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) [2021-10-15 19:44:57,855 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:44:57,855 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:44:57,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:44:57,856 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:44:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:44:57,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1378836132, now seen corresponding path program 1 times [2021-10-15 19:44:57,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:44:57,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122916956] [2021-10-15 19:44:57,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:44:57,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:44:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:44:57,953 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:44:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:44:58,116 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:44:58,116 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:44:58,118 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:44:58,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:44:58,128 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:44:58,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:44:58 BoogieIcfgContainer [2021-10-15 19:44:58,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:44:58,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:44:58,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:44:58,207 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:44:58,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:44:57" (3/4) ... [2021-10-15 19:44:58,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:44:58,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:44:58,217 INFO L168 Benchmark]: Toolchain (without parser) took 2326.49 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 67.1 MB in the beginning and 95.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:44:58,217 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory is still 84.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:44:58,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.37 ms. Allocated memory is still 109.1 MB. Free memory was 66.9 MB in the beginning and 78.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:44:58,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.23 ms. Allocated memory is still 109.1 MB. Free memory was 78.7 MB in the beginning and 75.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:44:58,227 INFO L168 Benchmark]: Boogie Preprocessor took 88.81 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:44:58,229 INFO L168 Benchmark]: RCFGBuilder took 794.48 ms. Allocated memory is still 109.1 MB. Free memory was 72.5 MB in the beginning and 47.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:44:58,230 INFO L168 Benchmark]: TraceAbstraction took 942.68 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 46.9 MB in the beginning and 97.0 MB in the end (delta: -50.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:44:58,233 INFO L168 Benchmark]: Witness Printer took 8.00 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 95.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:44:58,239 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 109.1 MB. Free memory is still 84.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.37 ms. Allocated memory is still 109.1 MB. Free memory was 66.9 MB in the beginning and 78.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.23 ms. Allocated memory is still 109.1 MB. Free memory was 78.7 MB in the beginning and 75.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.81 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 794.48 ms. Allocated memory is still 109.1 MB. Free memory was 72.5 MB in the beginning and 47.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 942.68 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 46.9 MB in the beginning and 97.0 MB in the end (delta: -50.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 8.00 ms. Allocated memory is still 151.0 MB. Free memory was 97.0 MB in the beginning and 95.9 MB in the end (delta: 1.0 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: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 240, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 236, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] float x = 0.0f; [L236] float y = -0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L237] float res = __ieee754_atan2f(y, x); [L240] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L240] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L241] reach_error() VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 800.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 128.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 109.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 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=372occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.0ms SsaConstructionTime, 129.0ms SatisfiabilityAnalysisTime, 70.0ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:44:58,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/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-5709675 [2021-10-15 19:45:00,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:45:00,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:45:00,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:45:00,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:45:00,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:45:00,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:45:00,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:45:00,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:45:00,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:45:00,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:45:00,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:45:00,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:45:00,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:45:00,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:45:00,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:45:00,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:45:00,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:45:00,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:45:00,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:45:00,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:45:00,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:45:00,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:45:00,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:45:00,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:45:00,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:45:00,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:45:00,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:45:00,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:45:00,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:45:00,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:45:00,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:45:00,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:45:00,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:45:00,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:45:00,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:45:00,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:45:00,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:45:00,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:45:00,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:45:00,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:45:00,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:45:01,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:45:01,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:45:01,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:45:01,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:45:01,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:45:01,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:45:01,033 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:45:01,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:45:01,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:45:01,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:45:01,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:45:01,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:45:01,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:45:01,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:45:01,036 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:45:01,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:45:01,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:45:01,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:45:01,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:45:01,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:45:01,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:45:01,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:45:01,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:45:01,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:45:01,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:45:01,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:45:01,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:45:01,040 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:45:01,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:45:01,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:45:01,040 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:45:01,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:45:01,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:45:01,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:45:01,041 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-15 19:45:01,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:45:01,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:45:01,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:45:01,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:45:01,421 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:45:01,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-15 19:45:01,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/3ea79a92f/06892a88460144248048bfeb288e289c/FLAG5245a451a [2021-10-15 19:45:02,177 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:45:02,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-15 19:45:02,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/3ea79a92f/06892a88460144248048bfeb288e289c/FLAG5245a451a [2021-10-15 19:45:02,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/data/3ea79a92f/06892a88460144248048bfeb288e289c [2021-10-15 19:45:02,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:45:02,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:45:02,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:45:02,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:45:02,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:45:02,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e3f368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02, skipping insertion in model container [2021-10-15 19:45:02,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:45:02,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:45:02,577 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-15 19:45:02,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:45:02,601 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:45:02,682 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_a40c4460-5cee-474e-8b73-5ea5766eddc2/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-15 19:45:02,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:45:02,727 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:45:02,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02 WrapperNode [2021-10-15 19:45:02,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:45:02,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:45:02,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:45:02,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:45:02,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:45:02,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:45:02,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:45:02,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:45:02,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:45:02,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:45:02,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:45:02,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:45:02,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (1/1) ... [2021-10-15 19:45:02,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:45:02,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:45:02,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:45:03,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:45:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 19:45:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:45:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:45:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 19:45:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:45:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:45:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:45:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 19:45:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:45:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:45:27,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:45:27,613 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-15 19:45:27,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:45:27 BoogieIcfgContainer [2021-10-15 19:45:27,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:45:27,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:45:27,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:45:27,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:45:27,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:45:02" (1/3) ... [2021-10-15 19:45:27,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d79ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:45:27, skipping insertion in model container [2021-10-15 19:45:27,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:45:02" (2/3) ... [2021-10-15 19:45:27,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d79ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:45:27, skipping insertion in model container [2021-10-15 19:45:27,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:45:27" (3/3) ... [2021-10-15 19:45:27,627 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-15 19:45:27,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:45:27,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:45:27,687 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:45:27,693 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=PETRI_NET, 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 [2021-10-15 19:45:27,694 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:45:27,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:45:27,761 INFO L129 PetriNetUnfolder]: 77/190 cut-off events. [2021-10-15 19:45:27,761 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:45:27,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 190 events. 77/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 510 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 19:45:27,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:45:27,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 186 transitions, 372 flow [2021-10-15 19:45:27,778 INFO L129 PetriNetUnfolder]: 11/40 cut-off events. [2021-10-15 19:45:27,779 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:45:27,779 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:45:27,804 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:45:27,804 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:45:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:45:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-15 19:45:27,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:45:27,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901569497] [2021-10-15 19:45:27,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:45:27,825 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:45:27,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:45:27,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:45:27,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:45:27,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:45:28,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:45:28,111 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 [2021-10-15 19:45:28,118 INFO L168 Benchmark]: Toolchain (without parser) took 25899.00 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 56.7 MB in the beginning and 64.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:45:28,118 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:45:28,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.00 ms. Allocated memory is still 73.4 MB. Free memory was 56.4 MB in the beginning and 51.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:45:28,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.36 ms. Allocated memory is still 73.4 MB. Free memory was 51.6 MB in the beginning and 48.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:45:28,121 INFO L168 Benchmark]: Boogie Preprocessor took 115.76 ms. Allocated memory is still 73.4 MB. Free memory was 48.0 MB in the beginning and 44.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:45:28,121 INFO L168 Benchmark]: RCFGBuilder took 24667.86 ms. Allocated memory is still 73.4 MB. Free memory was 44.6 MB in the beginning and 36.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:45:28,122 INFO L168 Benchmark]: TraceAbstraction took 495.43 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 64.9 MB in the end (delta: -28.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:45:28,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 73.4 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.00 ms. Allocated memory is still 73.4 MB. Free memory was 56.4 MB in the beginning and 51.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.36 ms. Allocated memory is still 73.4 MB. Free memory was 51.6 MB in the beginning and 48.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.76 ms. Allocated memory is still 73.4 MB. Free memory was 48.0 MB in the beginning and 44.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24667.86 ms. Allocated memory is still 73.4 MB. Free memory was 44.6 MB in the beginning and 36.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 495.43 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 36.5 MB in the beginning and 64.9 MB in the end (delta: -28.3 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. [2021-10-15 19:45:28,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40c4460-5cee-474e-8b73-5ea5766eddc2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...