./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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 593785d0423c5eb05e60d1cee556e7b9ed26977c ............................................................................................................................................................................................................................................................................................................................................................. 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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 593785d0423c5eb05e60d1cee556e7b9ed26977c ........................................................................................................................................................................................................................................................................... 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 20:19:33,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:19:33,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:19:33,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:19:33,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:19:33,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:19:33,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:19:33,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:19:33,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:19:33,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:19:33,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:19:33,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:19:33,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:19:33,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:19:33,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:19:33,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:19:33,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:19:33,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:19:33,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:19:33,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:19:33,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:19:33,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:19:33,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:19:33,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:19:33,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:19:33,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:19:33,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:19:33,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:19:33,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:19:33,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:19:33,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:19:33,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:19:33,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:19:33,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:19:33,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:19:33,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:19:33,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:19:33,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:19:33,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:19:33,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:19:33,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:19:33,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:19:33,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:19:33,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:19:33,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:19:33,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:19:33,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:19:33,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:19:33,703 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:19:33,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:19:33,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:19:33,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:19:33,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:19:33,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:19:33,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:19:33,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:19:33,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:19:33,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:19:33,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:19:33,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:19:33,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:19:33,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:19:33,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:19:33,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:19:33,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:19:33,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:19:33,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:19:33,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:19:33,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:19:33,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:19:33,711 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:19:33,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:19:33,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:19:33,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:19:33,714 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593785d0423c5eb05e60d1cee556e7b9ed26977c [2021-10-15 20:19:34,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:19:34,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:19:34,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:19:34,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:19:34,044 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:19:34,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2021-10-15 20:19:34,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/6c62188cc/3dc17d2cccf644539bbad1900fc770e1/FLAG9031d61f0 [2021-10-15 20:19:34,679 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:19:34,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2021-10-15 20:19:34,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/6c62188cc/3dc17d2cccf644539bbad1900fc770e1/FLAG9031d61f0 [2021-10-15 20:19:35,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/6c62188cc/3dc17d2cccf644539bbad1900fc770e1 [2021-10-15 20:19:35,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:19:35,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:19:35,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:19:35,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:19:35,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:19:35,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75be4af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35, skipping insertion in model container [2021-10-15 20:19:35,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:19:35,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:19:35,349 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2021-10-15 20:19:35,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:19:35,363 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:19:35,470 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2021-10-15 20:19:35,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:19:35,492 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:19:35,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35 WrapperNode [2021-10-15 20:19:35,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:19:35,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:19:35,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:19:35,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:19:35,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:19:35,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:19:35,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:19:35,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:19:35,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:19:35,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:19:35,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:19:35,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:19:35,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (1/1) ... [2021-10-15 20:19:35,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:19:35,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:19:35,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:19:35,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:19:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:19:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:19:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 20:19:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:19:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 20:19:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:19:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:19:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:19:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 20:19:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:19:36,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:19:36,620 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-15 20:19:36,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:36 BoogieIcfgContainer [2021-10-15 20:19:36,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:19:36,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:19:36,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:19:36,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:19:36,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:19:35" (1/3) ... [2021-10-15 20:19:36,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2ae3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:36, skipping insertion in model container [2021-10-15 20:19:36,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35" (2/3) ... [2021-10-15 20:19:36,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2ae3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:36, skipping insertion in model container [2021-10-15 20:19:36,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:36" (3/3) ... [2021-10-15 20:19:36,635 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c [2021-10-15 20:19:36,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:19:36,642 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:19:36,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:19:36,708 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 20:19:36,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:19:36,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 199 transitions, 398 flow [2021-10-15 20:19:36,793 INFO L129 PetriNetUnfolder]: 80/199 cut-off events. [2021-10-15 20:19:36,794 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:19:36,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 199 events. 80/199 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 493 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 20:19:36,796 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 199 transitions, 398 flow [2021-10-15 20:19:36,807 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 193 transitions, 386 flow [2021-10-15 20:19:36,819 INFO L129 PetriNetUnfolder]: 13/45 cut-off events. [2021-10-15 20:19:36,819 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:19:36,820 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:19:36,820 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:19:36,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:19:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:19:36,828 INFO L82 PathProgramCache]: Analyzing trace with hash -264933030, now seen corresponding path program 1 times [2021-10-15 20:19:36,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:19:36,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867612535] [2021-10-15 20:19:36,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:19:36,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:19:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:19:37,040 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 20:19:37,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 20:19:37,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867612535] [2021-10-15 20:19:37,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867612535] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 20:19:37,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 20:19:37,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 20:19:37,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892917952] [2021-10-15 20:19:37,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 20:19:37,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 20:19:37,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 20:19:37,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 20:19:37,080 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 199 [2021-10-15 20:19:37,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 193 transitions, 386 flow. Second operand has 2 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 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 20:19:37,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 20:19:37,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 199 [2021-10-15 20:19:37,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 20:19:37,119 INFO L129 PetriNetUnfolder]: 50/165 cut-off events. [2021-10-15 20:19:37,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:19:37,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 165 events. 50/165 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 418 event pairs, 0 based on Foata normal form. 28/143 useless extension candidates. Maximal degree in co-relation 165. Up to 20 conditions per place. [2021-10-15 20:19:37,124 INFO L132 encePairwiseOnDemand]: 171/199 looper letters, 0 selfloop transitions, 0 changer transitions 0/165 dead transitions. [2021-10-15 20:19:37,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 165 transitions, 330 flow [2021-10-15 20:19:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 20:19:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 20:19:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 368 transitions. [2021-10-15 20:19:37,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9246231155778895 [2021-10-15 20:19:37,143 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 368 transitions. [2021-10-15 20:19:37,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 368 transitions. [2021-10-15 20:19:37,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:19:37,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 368 transitions. [2021-10-15 20:19:37,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 184.0) internal successors, (368), 2 states have internal predecessors, (368), 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 20:19:37,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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 20:19:37,166 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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 20:19:37,182 INFO L186 Difference]: Start difference. First operand has 116 places, 193 transitions, 386 flow. Second operand 2 states and 368 transitions. [2021-10-15 20:19:37,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 165 transitions, 330 flow [2021-10-15 20:19:37,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 165 transitions, 330 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 20:19:37,195 INFO L242 Difference]: Finished difference. Result has 117 places, 165 transitions, 330 flow [2021-10-15 20:19:37,198 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=330, PETRI_PLACES=117, PETRI_TRANSITIONS=165} [2021-10-15 20:19:37,199 INFO L334 CegarLoopForPetriNet]: 116 programPoint places, 1 predicate places. [2021-10-15 20:19:37,199 INFO L470 AbstractCegarLoop]: Abstraction has has 117 places, 165 transitions, 330 flow [2021-10-15 20:19:37,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 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 20:19:37,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:19:37,201 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:19:37,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 20:19:37,202 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:19:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:19:37,203 INFO L82 PathProgramCache]: Analyzing trace with hash -2142377746, now seen corresponding path program 1 times [2021-10-15 20:19:37,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:19:37,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12191616] [2021-10-15 20:19:37,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:19:37,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:19:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:19:37,365 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:19:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:19:37,511 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:19:37,514 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 20:19:37,516 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 20:19:37,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 20:19:37,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 20:19:37,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:19:37 BoogieIcfgContainer [2021-10-15 20:19:37,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 20:19:37,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:19:37,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:19:37,580 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:19:37,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:36" (3/4) ... [2021-10-15 20:19:37,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:19:37,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:19:37,586 INFO L168 Benchmark]: Toolchain (without parser) took 2551.34 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 64.0 MB in the beginning and 71.0 MB in the end (delta: -7.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,587 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:19:37,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.45 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 68.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 64.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,589 INFO L168 Benchmark]: Boogie Preprocessor took 86.27 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 61.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,590 INFO L168 Benchmark]: RCFGBuilder took 933.22 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 84.9 MB in the end (delta: -23.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,590 INFO L168 Benchmark]: TraceAbstraction took 954.31 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 71.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,591 INFO L168 Benchmark]: Witness Printer took 4.32 ms. Allocated memory is still 119.5 MB. Free memory was 71.9 MB in the beginning and 71.0 MB in the end (delta: 854.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:19:37,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 453.45 ms. Allocated memory is still 98.6 MB. Free memory was 63.8 MB in the beginning and 68.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 64.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.27 ms. Allocated memory is still 98.6 MB. Free memory was 64.7 MB in the beginning and 61.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 933.22 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 84.9 MB in the end (delta: -23.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 954.31 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 71.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.32 ms. Allocated memory is still 119.5 MB. Free memory was 71.9 MB in the beginning and 71.0 MB in the end (delta: 854.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 257]: 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 256, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L248] float x = 1.0f / 0.0f; [L249] float y = __VERIFIER_nondet_float(); [L231] __int32_t ix; VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L233] ieee_float_shape_type gf_u; [L234] gf_u.value = (x) [L235] EXPR gf_u.word [L235] (ix) = gf_u.word [L237] ix &= 0x7fffffff [L238] return (((ix) < 0x7f800000L)); VAL [aT_atan={6:0}, atanhi_atan={9:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L251] COND TRUE isfinite_float(y) && 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] [L253] float res = __ieee754_atan2f(y, x); [L256] EXPR res == 0.0f && __signbit_float(res) == 0 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] [L256] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L257] 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, 120 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 826.9ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 128.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 98.5ms, 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=386occurred 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: 16.4ms SsaConstructionTime, 197.6ms SatisfiabilityAnalysisTime, 73.4ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 20:19:37,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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 20:19:40,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:19:40,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:19:40,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:19:40,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:19:40,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:19:40,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:19:40,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:19:40,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:19:40,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:19:40,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:19:40,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:19:40,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:19:40,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:19:40,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:19:40,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:19:40,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:19:40,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:19:40,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:19:40,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:19:40,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:19:40,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:19:40,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:19:40,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:19:40,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:19:40,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:19:40,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:19:40,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:19:40,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:19:40,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:19:40,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:19:40,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:19:40,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:19:40,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:19:40,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:19:40,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:19:40,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:19:40,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:19:40,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:19:40,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:19:40,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:19:40,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:19:40,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:19:40,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:19:40,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:19:40,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:19:40,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:19:40,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:19:40,831 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:19:40,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:19:40,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:19:40,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:19:40,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:19:40,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:19:40,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:19:40,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:19:40,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:19:40,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:19:40,835 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:19:40,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:19:40,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:19:40,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:19:40,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:19:40,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:19:40,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:19:40,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:19:40,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:19:40,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:19:40,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:19:40,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:19:40,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:19:40,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:19:40,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:19:40,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:19:40,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:19:40,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:19:40,841 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 593785d0423c5eb05e60d1cee556e7b9ed26977c [2021-10-15 20:19:41,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:19:41,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:19:41,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:19:41,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:19:41,321 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:19:41,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2021-10-15 20:19:41,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/4b7a4a252/52c0b0fd217140238c7fb07750be108f/FLAG110f2cfcd [2021-10-15 20:19:42,020 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:19:42,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2021-10-15 20:19:42,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/4b7a4a252/52c0b0fd217140238c7fb07750be108f/FLAG110f2cfcd [2021-10-15 20:19:42,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/data/4b7a4a252/52c0b0fd217140238c7fb07750be108f [2021-10-15 20:19:42,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:19:42,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:19:42,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:19:42,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:19:42,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:19:42,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:42,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb7b8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42, skipping insertion in model container [2021-10-15 20:19:42,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:42,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:19:42,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:19:42,838 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2021-10-15 20:19:42,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:19:42,885 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:19:42,947 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_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2021-10-15 20:19:42,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:19:42,975 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:19:42,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42 WrapperNode [2021-10-15 20:19:42,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:19:42,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:19:42,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:19:42,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:19:42,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:19:43,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:19:43,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:19:43,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:19:43,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:19:43,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:19:43,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:19:43,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:19:43,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (1/1) ... [2021-10-15 20:19:43,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:19:43,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:19:43,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:19:43,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:19:43,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 20:19:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:19:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:19:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 20:19:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:19:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:19:43,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:19:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 20:19:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:19:43,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:20:07,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:20:07,091 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-15 20:20:07,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:07 BoogieIcfgContainer [2021-10-15 20:20:07,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:20:07,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 20:20:07,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 20:20:07,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 20:20:07,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:19:42" (1/3) ... [2021-10-15 20:20:07,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee9900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:07, skipping insertion in model container [2021-10-15 20:20:07,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:42" (2/3) ... [2021-10-15 20:20:07,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee9900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:07, skipping insertion in model container [2021-10-15 20:20:07,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:07" (3/3) ... [2021-10-15 20:20:07,101 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c [2021-10-15 20:20:07,109 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 20:20:07,109 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 20:20:07,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 20:20:07,197 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 20:20:07,197 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 20:20:07,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 199 transitions, 398 flow [2021-10-15 20:20:07,283 INFO L129 PetriNetUnfolder]: 80/199 cut-off events. [2021-10-15 20:20:07,284 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:20:07,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 199 events. 80/199 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 493 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2021-10-15 20:20:07,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 199 transitions, 398 flow [2021-10-15 20:20:07,303 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 193 transitions, 386 flow [2021-10-15 20:20:07,321 INFO L129 PetriNetUnfolder]: 13/45 cut-off events. [2021-10-15 20:20:07,322 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 20:20:07,322 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 20:20:07,323 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 20:20:07,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 20:20:07,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:20:07,332 INFO L82 PathProgramCache]: Analyzing trace with hash -264933030, now seen corresponding path program 1 times [2021-10-15 20:20:07,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 20:20:07,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593152431] [2021-10-15 20:20:07,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:20:07,352 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 20:20:07,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 20:20:07,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 20:20:07,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 20:20:07,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:20:07,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 20:20:07,709 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 20:20:07,719 INFO L168 Benchmark]: Toolchain (without parser) took 25355.36 ms. Allocated memory is still 67.1 MB. Free memory was 44.1 MB in the beginning and 31.0 MB in the end (delta: 13.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,721 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:20:07,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.64 ms. Allocated memory is still 67.1 MB. Free memory was 43.8 MB in the beginning and 44.3 MB in the end (delta: -454.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.16 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 40.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,724 INFO L168 Benchmark]: Boogie Preprocessor took 141.90 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 37.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,727 INFO L168 Benchmark]: RCFGBuilder took 23884.83 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 46.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,728 INFO L168 Benchmark]: TraceAbstraction took 622.58 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 31.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:20:07,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 29.8 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.64 ms. Allocated memory is still 67.1 MB. Free memory was 43.8 MB in the beginning and 44.3 MB in the end (delta: -454.5 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.16 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 40.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 141.90 ms. Allocated memory is still 67.1 MB. Free memory was 40.6 MB in the beginning and 37.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23884.83 ms. Allocated memory is still 67.1 MB. Free memory was 37.1 MB in the beginning and 46.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 622.58 ms. Allocated memory is still 67.1 MB. Free memory was 45.4 MB in the beginning and 31.0 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-15 20:20:07,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcecfb8-30e3-42cd-a906-6b8c2eea7871/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...