./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b586478a7305427fbe78a3e49b383cfc2fc5af ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b586478a7305427fbe78a3e49b383cfc2fc5af ....................................................................................................................................................................................................................................................................... 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 [2021-10-16 03:05:35,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:05:35,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:05:35,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:05:35,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:05:35,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:05:35,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:05:35,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:05:35,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:05:35,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:05:35,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:05:35,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:05:35,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:05:35,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:05:35,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:05:35,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:05:35,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:05:35,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:05:35,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:05:35,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:05:35,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:05:35,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:05:35,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:05:35,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:05:35,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:05:35,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:05:35,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:05:35,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:05:35,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:05:35,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:05:35,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:05:35,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:05:35,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:05:35,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:05:35,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:05:35,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:05:35,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:05:35,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:05:35,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:05:35,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:05:35,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:05:35,808 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:05:35,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:05:35,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:05:35,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:05:35,859 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:05:35,860 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:05:35,860 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:05:35,860 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:05:35,860 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:05:35,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:05:35,861 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:05:35,862 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:05:35,862 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:05:35,863 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:05:35,863 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:05:35,863 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:05:35,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:05:35,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:05:35,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:05:35,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:05:35,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:05:35,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:05:35,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:05:35,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:05:35,866 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:05:35,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:05:35,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:05:35,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:05:35,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:05:35,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:05:35,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:05:35,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:35,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:05:35,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:05:35,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:05:35,869 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:05:35,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:05:35,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:05:35,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:05:35,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:05:35,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2021-10-16 03:05:36,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:05:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:05:36,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:05:36,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:05:36,242 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:05:36,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-16 03:05:36,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/b3c316d39/96295b6f32974e81bc096c8ee7556f09/FLAGffe7d2a72 [2021-10-16 03:05:36,958 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:05:36,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-16 03:05:36,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/b3c316d39/96295b6f32974e81bc096c8ee7556f09/FLAGffe7d2a72 [2021-10-16 03:05:37,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/b3c316d39/96295b6f32974e81bc096c8ee7556f09 [2021-10-16 03:05:37,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:05:37,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:05:37,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:37,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:05:37,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:05:37,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb42efb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37, skipping insertion in model container [2021-10-16 03:05:37,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:05:37,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:05:37,585 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_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-16 03:05:37,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:37,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:05:37,674 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_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-16 03:05:37,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:37,707 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:05:37,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37 WrapperNode [2021-10-16 03:05:37,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:37,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:37,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:05:37,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:05:37,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:37,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:05:37,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:05:37,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:05:37,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:05:37,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:05:37,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:05:37,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:05:37,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (1/1) ... [2021-10-16 03:05:37,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:37,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:05:37,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:05:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:05:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:05:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:05:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 03:05:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 03:05:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 03:05:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:05:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:05:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 03:05:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 03:05:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:05:39,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:05:39,198 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-16 03:05:39,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:05:39 BoogieIcfgContainer [2021-10-16 03:05:39,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:05:39,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:05:39,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:05:39,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:05:39,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:05:37" (1/3) ... [2021-10-16 03:05:39,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155583c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:05:39, skipping insertion in model container [2021-10-16 03:05:39,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:37" (2/3) ... [2021-10-16 03:05:39,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155583c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:05:39, skipping insertion in model container [2021-10-16 03:05:39,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:05:39" (3/3) ... [2021-10-16 03:05:39,212 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2021-10-16 03:05:39,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:05:39,219 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:05:39,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:05:39,290 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:05:39,291 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:05:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 84 states have (on average 1.75) internal successors, (147), 85 states have internal predecessors, (147), 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) [2021-10-16 03:05:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:05:39,330 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:05:39,331 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:05:39,332 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:05:39,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:05:39,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1063908486, now seen corresponding path program 1 times [2021-10-16 03:05:39,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:05:39,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869421428] [2021-10-16 03:05:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:39,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:05:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:05:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 03:05:39,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:05:39,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869421428] [2021-10-16 03:05:39,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869421428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:05:39,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:05:39,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:05:39,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451415912] [2021-10-16 03:05:39,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:05:39,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:05:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:05:39,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:05:39,613 INFO L87 Difference]: Start difference. First operand has 86 states, 84 states have (on average 1.75) internal successors, (147), 85 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 03:05:39,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:05:39,651 INFO L93 Difference]: Finished difference Result 171 states and 293 transitions. [2021-10-16 03:05:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:05:39,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-16 03:05:39,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:05:39,663 INFO L225 Difference]: With dead ends: 171 [2021-10-16 03:05:39,663 INFO L226 Difference]: Without dead ends: 84 [2021-10-16 03:05:39,666 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:05:39,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-16 03:05:39,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-16 03:05:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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) [2021-10-16 03:05:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2021-10-16 03:05:39,707 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 10 [2021-10-16 03:05:39,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:05:39,707 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2021-10-16 03:05:39,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 03:05:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2021-10-16 03:05:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 03:05:39,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:05:39,709 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:05:39,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:05:39,710 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:05:39,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:05:39,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1837663345, now seen corresponding path program 1 times [2021-10-16 03:05:39,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:05:39,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987107236] [2021-10-16 03:05:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:05:39,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:05:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:05:39,792 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 03:05:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:05:39,898 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 03:05:39,898 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 03:05:39,900 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:05:39,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 03:05:39,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:05:39,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:05:39 BoogieIcfgContainer [2021-10-16 03:05:39,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:05:39,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:05:39,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:05:39,947 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:05:39,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:05:39" (3/4) ... [2021-10-16 03:05:39,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:05:39,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:05:39,953 INFO L168 Benchmark]: Toolchain (without parser) took 2679.99 ms. Allocated memory was 107.0 MB in the beginning and 151.0 MB in the end (delta: 44.0 MB). Free memory was 67.6 MB in the beginning and 114.6 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:05:39,953 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:05:39,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.39 ms. Allocated memory is still 107.0 MB. Free memory was 67.4 MB in the beginning and 77.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:39,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.10 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 73.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:39,956 INFO L168 Benchmark]: Boogie Preprocessor took 82.50 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 70.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:39,956 INFO L168 Benchmark]: RCFGBuilder took 1338.78 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 69.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:05:39,957 INFO L168 Benchmark]: TraceAbstraction took 742.67 ms. Allocated memory was 107.0 MB in the beginning and 151.0 MB in the end (delta: 44.0 MB). Free memory was 68.7 MB in the beginning and 114.6 MB in the end (delta: -46.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:05:39,958 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 151.0 MB. Free memory is still 114.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:05:39,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 107.0 MB. Free memory is still 84.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.39 ms. Allocated memory is still 107.0 MB. Free memory was 67.4 MB in the beginning and 77.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.10 ms. Allocated memory is still 107.0 MB. Free memory was 77.1 MB in the beginning and 73.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.50 ms. Allocated memory is still 107.0 MB. Free memory was 73.7 MB in the beginning and 70.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1338.78 ms. Allocated memory is still 107.0 MB. Free memory was 70.4 MB in the beginning and 69.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 742.67 ms. Allocated memory was 107.0 MB in the beginning and 151.0 MB in the end (delta: 44.0 MB). Free memory was 68.7 MB in the beginning and 114.6 MB in the end (delta: -46.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.61 ms. Allocated memory is still 151.0 MB. Free memory is still 114.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 270]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 269. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L265] double x = 0.0; [L266] double y = 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L270] reach_error() VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 627.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 21.5ms, AutomataDifference: 74.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 116 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=86occurred 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: 25.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.2ms SsaConstructionTime, 127.7ms SatisfiabilityAnalysisTime, 90.0ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-10-16 03:05:40,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/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 [2021-10-16 03:05:42,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:05:42,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:05:42,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:05:42,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:05:42,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:05:42,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:05:42,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:05:42,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:05:42,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:05:42,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:05:42,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:05:42,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:05:42,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:05:42,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:05:42,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:05:42,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:05:42,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:05:42,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:05:42,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:05:42,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:05:42,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:05:42,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:05:42,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:05:42,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:05:42,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:05:42,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:05:42,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:05:42,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:05:42,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:05:42,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:05:42,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:05:42,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:05:42,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:05:42,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:05:42,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:05:42,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:05:42,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:05:42,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:05:42,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:05:42,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:05:42,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:05:42,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:05:42,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:05:42,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:05:42,849 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:05:42,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:05:42,849 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:05:42,850 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:05:42,850 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:05:42,850 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:05:42,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:05:42,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:05:42,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:05:42,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:05:42,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:05:42,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:05:42,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:05:42,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:05:42,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:05:42,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:05:42,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:05:42,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:05:42,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:05:42,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:05:42,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:05:42,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:05:42,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:05:42,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:42,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:05:42,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:05:42,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:05:42,858 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:05:42,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:05:42,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:05:42,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:05:42,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:05:42,859 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_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2021-10-16 03:05:43,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:05:43,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:05:43,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:05:43,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:05:43,233 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:05:43,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-16 03:05:43,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/465faacc0/b381138936324fdea023dd17492a2296/FLAGb8941a8b0 [2021-10-16 03:05:43,989 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:05:43,993 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2021-10-16 03:05:44,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/465faacc0/b381138936324fdea023dd17492a2296/FLAGb8941a8b0 [2021-10-16 03:05:44,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/data/465faacc0/b381138936324fdea023dd17492a2296 [2021-10-16 03:05:44,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:05:44,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:05:44,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:44,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:05:44,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:05:44,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:44,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0c33bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44, skipping insertion in model container [2021-10-16 03:05:44,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:44,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:05:44,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:05:44,636 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_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-16 03:05:44,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:44,712 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:05:44,857 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_8b17c713-2603-4971-b341-b0d06dd89433/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c[6389,6402] [2021-10-16 03:05:44,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:05:44,909 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:05:44,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44 WrapperNode [2021-10-16 03:05:44,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:05:44,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:44,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:05:44,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:05:44,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:44,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:05:45,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:05:45,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:05:45,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:05:45,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:05:45,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:05:45,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:05:45,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:05:45,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (1/1) ... [2021-10-16 03:05:45,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:05:45,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:05:45,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:05:45,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:05:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 03:05:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 03:05:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:05:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:05:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 03:05:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:05:45,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:05:45,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:05:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:05:45,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:06:25,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:06:25,529 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-16 03:06:25,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:25 BoogieIcfgContainer [2021-10-16 03:06:25,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:06:25,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:06:25,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:06:25,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:06:25,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:05:44" (1/3) ... [2021-10-16 03:06:25,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f7de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:25, skipping insertion in model container [2021-10-16 03:06:25,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:05:44" (2/3) ... [2021-10-16 03:06:25,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f7de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:06:25, skipping insertion in model container [2021-10-16 03:06:25,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:06:25" (3/3) ... [2021-10-16 03:06:25,541 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2021-10-16 03:06:25,547 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:06:25,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:06:25,607 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:06:25,614 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 03:06:25,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:06:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 116 states have (on average 1.706896551724138) internal successors, (198), 117 states have internal predecessors, (198), 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) [2021-10-16 03:06:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 03:06:25,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:06:25,644 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:06:25,645 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:06:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:06:25,652 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2021-10-16 03:06:25,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:06:25,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847671346] [2021-10-16 03:06:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:06:25,670 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:06:25,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:06:25,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:06:25,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:06:25,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:06:25,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:06:25,992 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 [2021-10-16 03:06:25,997 INFO L168 Benchmark]: Toolchain (without parser) took 41682.45 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 38.5 MB in the beginning and 32.4 MB in the end (delta: 6.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:25,997 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:06:25,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.93 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 39.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:26,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.91 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 35.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:26,009 INFO L168 Benchmark]: Boogie Preprocessor took 102.72 ms. Allocated memory is still 60.8 MB. Free memory was 35.7 MB in the beginning and 32.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:26,011 INFO L168 Benchmark]: RCFGBuilder took 40385.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 43.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:26,015 INFO L168 Benchmark]: TraceAbstraction took 460.42 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 32.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:06:26,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.93 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 39.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.91 ms. Allocated memory is still 60.8 MB. Free memory was 39.3 MB in the beginning and 35.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.72 ms. Allocated memory is still 60.8 MB. Free memory was 35.7 MB in the beginning and 32.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40385.76 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 43.1 MB in the end (delta: -10.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 460.42 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 32.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 03:06:26,267 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 03:06:26,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b17c713-2603-4971-b341-b0d06dd89433/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...