./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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 f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 ................................................................................................................................................................................................................................................................................................................................................... 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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 f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 ........................................................................................................................................................................................................................................................................... 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 19:32:19,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:32:19,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:32:19,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:32:19,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:32:19,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:32:19,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:32:19,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:32:19,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:32:19,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:32:19,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:32:19,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:32:19,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:32:19,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:32:19,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:32:19,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:32:19,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:32:19,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:32:19,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:32:19,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:32:19,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:32:19,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:32:19,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:32:19,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:32:19,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:32:19,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:32:19,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:32:19,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:32:19,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:32:19,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:32:19,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:32:19,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:32:19,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:32:19,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:32:19,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:32:19,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:32:19,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:32:19,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:32:19,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:32:19,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:32:19,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:32:19,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 19:32:19,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:32:19,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:32:19,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:32:19,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:32:19,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:32:19,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:32:19,854 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:32:19,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:32:19,855 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:32:19,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:32:19,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:32:19,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:32:19,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:32:19,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:32:19,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:32:19,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:32:19,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:32:19,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:32:19,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:32:19,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:32:19,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:32:19,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:32:19,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:19,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:32:19,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:32:19,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:32:19,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:32:19,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:32:19,862 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:32:19,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:32:19,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:32:19,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:32:19,865 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 [2021-10-15 19:32:20,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:32:20,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:32:20,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:32:20,197 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:32:20,198 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:32:20,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2021-10-15 19:32:20,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/1d9288780/d4dc5c2a8c5d4171a1f63d5d57cdfd72/FLAG91542ef5e [2021-10-15 19:32:20,864 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:32:20,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2021-10-15 19:32:20,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/1d9288780/d4dc5c2a8c5d4171a1f63d5d57cdfd72/FLAG91542ef5e [2021-10-15 19:32:21,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/1d9288780/d4dc5c2a8c5d4171a1f63d5d57cdfd72 [2021-10-15 19:32:21,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:32:21,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:32:21,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:21,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:32:21,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:32:21,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb0ca24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21, skipping insertion in model container [2021-10-15 19:32:21,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:32:21,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:32:21,474 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c[5432,5445] [2021-10-15 19:32:21,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:21,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:32:21,574 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c[5432,5445] [2021-10-15 19:32:21,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:21,606 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:32:21,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21 WrapperNode [2021-10-15 19:32:21,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:21,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:21,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:32:21,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:32:21,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:21,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:32:21,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:32:21,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:32:21,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:32:21,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:32:21,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:32:21,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:32:21,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (1/1) ... [2021-10-15 19:32:21,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:32:21,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:32:21,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:32:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:32:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:32:21,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-15 19:32:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:32:21,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-15 19:32:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:32:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:32:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:32:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-15 19:32:21,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:32:22,833 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:32:22,834 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-15 19:32:22,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:22 BoogieIcfgContainer [2021-10-15 19:32:22,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:32:22,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:32:22,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:32:22,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:32:22,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:32:21" (1/3) ... [2021-10-15 19:32:22,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d89454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:22, skipping insertion in model container [2021-10-15 19:32:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:21" (2/3) ... [2021-10-15 19:32:22,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21d89454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:22, skipping insertion in model container [2021-10-15 19:32:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:22" (3/3) ... [2021-10-15 19:32:22,848 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681b.c [2021-10-15 19:32:22,857 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:32:22,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:32:22,899 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:32:22,905 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 19:32:22,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:32:22,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:32:22,969 INFO L129 PetriNetUnfolder]: 77/190 cut-off events. [2021-10-15 19:32:22,971 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:32:22,973 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 509 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 19:32:22,974 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:32:22,982 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 186 transitions, 372 flow [2021-10-15 19:32:22,988 INFO L129 PetriNetUnfolder]: 11/40 cut-off events. [2021-10-15 19:32:22,988 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:32:22,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:32:22,989 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:32:22,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:32:22,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:32:22,995 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-15 19:32:23,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:32:23,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455034542] [2021-10-15 19:32:23,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:32:23,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:32:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:32:23,236 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 19:32:23,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:32:23,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455034542] [2021-10-15 19:32:23,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455034542] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:32:23,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:32:23,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:32:23,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920225585] [2021-10-15 19:32:23,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-15 19:32:23,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:32:23,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-15 19:32:23,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-15 19:32:23,281 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 190 [2021-10-15 19:32:23,286 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 19:32:23,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:32:23,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 190 [2021-10-15 19:32:23,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:32:23,336 INFO L129 PetriNetUnfolder]: 50/160 cut-off events. [2021-10-15 19:32:23,336 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:32:23,338 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 10. Compared 394 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 19:32:23,341 INFO L132 encePairwiseOnDemand]: 164/190 looper letters, 0 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2021-10-15 19:32:23,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 160 transitions, 320 flow [2021-10-15 19:32:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:32:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-15 19:32:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 352 transitions. [2021-10-15 19:32:23,357 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9263157894736842 [2021-10-15 19:32:23,358 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 352 transitions. [2021-10-15 19:32:23,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 352 transitions. [2021-10-15 19:32:23,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:32:23,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 352 transitions. [2021-10-15 19:32:23,371 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 19:32:23,379 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 19:32:23,380 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 19:32:23,382 INFO L186 Difference]: Start difference. First operand has 111 places, 186 transitions, 372 flow. Second operand 2 states and 352 transitions. [2021-10-15 19:32:23,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 160 transitions, 320 flow [2021-10-15 19:32:23,395 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 19:32:23,402 INFO L242 Difference]: Finished difference. Result has 112 places, 160 transitions, 320 flow [2021-10-15 19:32:23,404 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 19:32:23,406 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 1 predicate places. [2021-10-15 19:32:23,406 INFO L470 AbstractCegarLoop]: Abstraction has has 112 places, 160 transitions, 320 flow [2021-10-15 19:32:23,407 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 19:32:23,407 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:32:23,407 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:32:23,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:32:23,408 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:32:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:32:23,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1378836132, now seen corresponding path program 1 times [2021-10-15 19:32:23,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:32:23,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097095761] [2021-10-15 19:32:23,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:32:23,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:32:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:32:23,559 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:32:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:32:23,709 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:32:23,710 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:32:23,712 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:32:23,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:32:23,721 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:32:23,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:32:23 BoogieIcfgContainer [2021-10-15 19:32:23,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:32:23,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:32:23,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:32:23,773 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:32:23,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:22" (3/4) ... [2021-10-15 19:32:23,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:32:23,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:32:23,783 INFO L168 Benchmark]: Toolchain (without parser) took 2597.80 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 62.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,784 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 38.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:32:23,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.86 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 79.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.40 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 75.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,786 INFO L168 Benchmark]: Boogie Preprocessor took 100.66 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 72.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,787 INFO L168 Benchmark]: RCFGBuilder took 1042.15 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 72.7 MB in the end (delta: -206.1 kB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,788 INFO L168 Benchmark]: TraceAbstraction took 931.34 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 62.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:23,788 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory was 62.5 MB in the beginning and 62.2 MB in the end (delta: 274.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:32:23,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 38.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 424.86 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.3 MB in the beginning and 79.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.40 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 75.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.66 ms. Allocated memory is still 107.0 MB. Free memory was 75.6 MB in the beginning and 72.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1042.15 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 72.7 MB in the end (delta: -206.1 kB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 931.34 ms. Allocated memory is still 107.0 MB. Free memory was 72.1 MB in the beginning and 62.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 107.0 MB. Free memory was 62.5 MB in the beginning and 62.2 MB in the end (delta: 274.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 240]: 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 239, 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] [L234] float x = 0.0f; [L235] 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] [L236] float res = __ieee754_atan2f(y, x); [L239] 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] [L239] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L240] 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: 824.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 137.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 76.6ms, 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: 20.3ms SsaConstructionTime, 194.5ms SatisfiabilityAnalysisTime, 93.7ms 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 19:32:23,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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 19:32:26,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:32:26,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:32:26,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:32:26,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:32:26,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:32:26,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:32:26,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:32:26,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:32:26,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:32:26,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:32:26,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:32:26,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:32:26,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:32:26,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:32:26,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:32:26,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:32:26,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:32:26,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:32:26,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:32:26,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:32:26,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:32:26,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:32:26,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:32:26,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:32:26,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:32:26,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:32:26,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:32:26,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:32:26,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:32:26,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:32:26,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:32:26,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:32:26,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:32:26,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:32:26,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:32:26,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:32:26,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:32:26,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:32:26,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:32:26,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:32:26,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 19:32:26,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:32:26,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:32:26,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:32:26,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:32:26,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:32:26,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:32:26,708 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:32:26,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:32:26,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:32:26,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:32:26,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:32:26,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:32:26,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:32:26,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:32:26,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:32:26,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:32:26,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:32:26,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:32:26,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:32:26,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:32:26,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:32:26,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:32:26,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:32:26,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:26,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:32:26,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:32:26,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:32:26,715 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:32:26,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:32:26,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:32:26,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:32:26,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:32:26,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:32:26,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:32:26,717 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 [2021-10-15 19:32:27,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:32:27,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:32:27,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:32:27,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:32:27,186 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:32:27,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2021-10-15 19:32:27,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/54117bb77/d9b9ee6cde724c77838bfcfecbcf96a5/FLAG85c13e9a4 [2021-10-15 19:32:27,802 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:32:27,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2021-10-15 19:32:27,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/54117bb77/d9b9ee6cde724c77838bfcfecbcf96a5/FLAG85c13e9a4 [2021-10-15 19:32:28,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/data/54117bb77/d9b9ee6cde724c77838bfcfecbcf96a5 [2021-10-15 19:32:28,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:32:28,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:32:28,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:28,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:32:28,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:32:28,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ab4225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28, skipping insertion in model container [2021-10-15 19:32:28,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:32:28,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:32:28,418 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c[5432,5445] [2021-10-15 19:32:28,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:28,449 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:32:28,580 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_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c[5432,5445] [2021-10-15 19:32:28,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:32:28,608 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:32:28,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28 WrapperNode [2021-10-15 19:32:28,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:32:28,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:28,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:32:28,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:32:28,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:32:28,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:32:28,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:32:28,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:32:28,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:32:28,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:32:28,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:32:28,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:32:28,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (1/1) ... [2021-10-15 19:32:28,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:32:28,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:32:28,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:32:28,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:32:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-15 19:32:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:32:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:32:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-15 19:32:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:32:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:32:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:32:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-15 19:32:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:32:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:32:53,799 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:32:53,799 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-15 19:32:53,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:53 BoogieIcfgContainer [2021-10-15 19:32:53,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:32:53,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:32:53,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:32:53,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:32:53,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:32:28" (1/3) ... [2021-10-15 19:32:53,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eab24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:53, skipping insertion in model container [2021-10-15 19:32:53,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:32:28" (2/3) ... [2021-10-15 19:32:53,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17eab24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:32:53, skipping insertion in model container [2021-10-15 19:32:53,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:32:53" (3/3) ... [2021-10-15 19:32:53,811 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681b.c [2021-10-15 19:32:53,818 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:32:53,818 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-15 19:32:53,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:32:53,878 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 19:32:53,879 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-15 19:32:53,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:32:53,953 INFO L129 PetriNetUnfolder]: 77/190 cut-off events. [2021-10-15 19:32:53,954 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:32:53,956 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 509 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 19:32:53,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 114 places, 190 transitions, 380 flow [2021-10-15 19:32:53,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 186 transitions, 372 flow [2021-10-15 19:32:53,970 INFO L129 PetriNetUnfolder]: 11/40 cut-off events. [2021-10-15 19:32:53,970 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:32:53,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:32:53,971 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:32:53,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-15 19:32:53,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:32:53,978 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-15 19:32:53,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:32:53,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386004664] [2021-10-15 19:32:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:32:53,990 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:32:53,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:32:53,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:32:54,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:32:54,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:32:54,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:32:54,311 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 19:32:54,317 INFO L168 Benchmark]: Toolchain (without parser) took 26195.46 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 37.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:54,317 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:32:54,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.19 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 47.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:54,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.18 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 43.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:54,319 INFO L168 Benchmark]: Boogie Preprocessor took 120.96 ms. Allocated memory is still 67.1 MB. Free memory was 43.7 MB in the beginning and 40.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:54,320 INFO L168 Benchmark]: RCFGBuilder took 24993.88 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 36.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:32:54,321 INFO L168 Benchmark]: TraceAbstraction took 510.65 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 37.4 MB in the end (delta: -1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:32:54,325 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 54.5 MB. Free memory is still 35.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.19 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.1 MB in the beginning and 47.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.18 ms. Allocated memory is still 67.1 MB. Free memory was 47.2 MB in the beginning and 43.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.96 ms. Allocated memory is still 67.1 MB. Free memory was 43.7 MB in the beginning and 40.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24993.88 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 36.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 510.65 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 37.4 MB in the end (delta: -1.8 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 19:32:54,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fff9fb35-9c98-4bd4-a5d6-18e4b53e6673/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...