./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/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_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/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_8a66f254-7060-492e-b333-07433b75ae30/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 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/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_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/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_8a66f254-7060-492e-b333-07433b75ae30/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 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:13:15,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:13:15,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:13:15,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:13:15,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:13:15,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:13:15,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:13:15,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:13:15,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:13:15,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:13:15,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:13:15,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:13:15,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:13:15,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:13:15,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:13:15,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:13:15,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:13:15,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:13:15,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:13:15,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:13:15,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:13:15,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:13:15,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:13:15,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:13:15,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:13:15,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:13:15,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:13:15,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:13:15,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:13:15,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:13:15,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:13:15,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:13:15,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:13:15,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:13:15,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:13:15,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:13:15,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:13:15,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:13:15,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:13:15,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:13:15,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:13:15,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 03:13:15,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:13:15,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:13:15,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:13:15,828 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:13:15,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:13:15,828 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:13:15,828 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:13:15,829 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:13:15,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:13:15,837 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:13:15,839 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:13:15,839 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:13:15,840 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:13:15,840 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:13:15,840 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:13:15,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:13:15,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:13:15,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:13:15,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:13:15,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:13:15,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:13:15,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:13:15,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:13:15,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:13:15,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:13:15,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:13:15,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:13:15,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:13:15,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:13:15,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:13:15,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:15,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:13:15,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:13:15,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:13:15,850 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:13:15,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:13:15,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:13:15,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:13:15,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:13:15,852 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_8a66f254-7060-492e-b333-07433b75ae30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-16 03:13:16,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:13:16,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:13:16,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:13:16,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:13:16,161 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:13:16,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-16 03:13:16,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/cb7378d3d/9ef4457a23004aba979fa271a6b24976/FLAG522309fa2 [2021-10-16 03:13:16,800 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:13:16,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-16 03:13:16,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/cb7378d3d/9ef4457a23004aba979fa271a6b24976/FLAG522309fa2 [2021-10-16 03:13:17,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/cb7378d3d/9ef4457a23004aba979fa271a6b24976 [2021-10-16 03:13:17,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:13:17,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:13:17,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:17,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:13:17,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:13:17,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd8eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17, skipping insertion in model container [2021-10-16 03:13:17,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:13:17,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:13:17,542 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_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-16 03:13:17,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:17,568 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:13:17,667 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_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-16 03:13:17,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:17,695 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:13:17,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17 WrapperNode [2021-10-16 03:13:17,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:17,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:17,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:13:17,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:13:17,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:17,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:13:17,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:13:17,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:13:17,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:13:17,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:13:17,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:13:17,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:13:17,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (1/1) ... [2021-10-16 03:13:17,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:17,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:13:17,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:13:17,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:13:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 03:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 03:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 03:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 03:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:13:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 03:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 03:13:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:13:18,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:13:18,920 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 03:13:18,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:18 BoogieIcfgContainer [2021-10-16 03:13:18,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:13:18,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:13:18,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:13:18,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:13:18,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:17" (1/3) ... [2021-10-16 03:13:18,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cead4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:18, skipping insertion in model container [2021-10-16 03:13:18,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:17" (2/3) ... [2021-10-16 03:13:18,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cead4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:18, skipping insertion in model container [2021-10-16 03:13:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:18" (3/3) ... [2021-10-16 03:13:18,935 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-16 03:13:18,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:13:18,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:13:19,012 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:13:19,018 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 03:13:19,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:13:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 79 states have internal predecessors, (137), 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 03:13:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 03:13:19,042 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:19,043 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:19,043 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:19,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash -446776973, now seen corresponding path program 1 times [2021-10-16 03:13:19,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:13:19,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144249414] [2021-10-16 03:13:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:19,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:13:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 03:13:19,287 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 03:13:19,287 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 03:13:19,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144249414] [2021-10-16 03:13:19,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144249414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 03:13:19,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 03:13:19,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 03:13:19,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4180926] [2021-10-16 03:13:19,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 03:13:19,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 03:13:19,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 03:13:19,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 03:13:19,312 INFO L87 Difference]: Start difference. First operand has 80 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 79 states have internal predecessors, (137), 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 03:13:19,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 03:13:19,356 INFO L93 Difference]: Finished difference Result 159 states and 273 transitions. [2021-10-16 03:13:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 03:13:19,358 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 03:13:19,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 03:13:19,370 INFO L225 Difference]: With dead ends: 159 [2021-10-16 03:13:19,370 INFO L226 Difference]: Without dead ends: 78 [2021-10-16 03:13:19,374 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 03:13:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-16 03:13:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-16 03:13:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 77 states have internal predecessors, (108), 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 03:13:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 108 transitions. [2021-10-16 03:13:19,421 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 108 transitions. Word has length 10 [2021-10-16 03:13:19,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 03:13:19,422 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 108 transitions. [2021-10-16 03:13:19,422 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 03:13:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2021-10-16 03:13:19,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 03:13:19,423 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:19,423 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:19,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 03:13:19,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:19,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:19,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1390143446, now seen corresponding path program 1 times [2021-10-16 03:13:19,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 03:13:19,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111044237] [2021-10-16 03:13:19,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:19,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 03:13:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:13:19,555 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 03:13:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 03:13:19,693 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 03:13:19,693 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 03:13:19,695 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 03:13:19,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 03:13:19,705 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 03:13:19,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:13:19 BoogieIcfgContainer [2021-10-16 03:13:19,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 03:13:19,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 03:13:19,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 03:13:19,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 03:13:19,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:18" (3/4) ... [2021-10-16 03:13:19,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 03:13:19,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 03:13:19,781 INFO L168 Benchmark]: Toolchain (without parser) took 2646.46 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 64.8 MB in the beginning and 72.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:19,782 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:19,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.87 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 64.6 MB in the beginning and 103.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:19,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.18 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 99.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:19,792 INFO L168 Benchmark]: Boogie Preprocessor took 75.37 ms. Allocated memory is still 132.1 MB. Free memory was 99.6 MB in the beginning and 96.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:19,793 INFO L168 Benchmark]: RCFGBuilder took 1055.41 ms. Allocated memory is still 132.1 MB. Free memory was 96.6 MB in the beginning and 57.7 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:19,793 INFO L168 Benchmark]: TraceAbstraction took 847.53 ms. Allocated memory is still 132.1 MB. Free memory was 57.7 MB in the beginning and 72.7 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:19,793 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 132.1 MB. Free memory is still 72.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:19,799 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 98.6 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 558.87 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 64.6 MB in the beginning and 103.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.18 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 99.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.37 ms. Allocated memory is still 132.1 MB. Free memory was 99.6 MB in the beginning and 96.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1055.41 ms. Allocated memory is still 132.1 MB. Free memory was 96.6 MB in the beginning and 57.7 MB in the end (delta: 38.9 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 847.53 ms. Allocated memory is still 132.1 MB. Free memory was 57.7 MB in the beginning and 72.7 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 132.1 MB. Free memory is still 72.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 241]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 240, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someUnaryFLOAToperation at line 236, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L235] float x = 0.0f; [L236] float y = -0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, 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={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L237] float res = __ieee754_atan2f(y, x); [L240] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L240] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L241] reach_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={11:0}, 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 693.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.4ms, AutomataDifference: 77.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 110 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=80occurred 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: 33.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.0ms SsaConstructionTime, 173.8ms SatisfiabilityAnalysisTime, 82.5ms 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 03:13:19,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/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 03:13:22,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:13:22,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:13:22,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:13:22,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:13:22,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:13:22,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:13:22,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:13:22,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:13:22,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:13:22,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:13:22,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:13:22,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:13:22,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:13:22,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:13:22,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:13:22,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:13:22,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:13:22,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:13:22,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:13:22,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:13:22,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:13:22,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:13:22,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:13:22,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:13:22,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:13:22,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:13:22,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:13:22,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:13:22,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:13:22,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:13:22,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:13:22,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:13:22,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:13:22,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:13:22,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:13:22,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:13:22,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:13:22,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:13:22,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:13:22,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:13:22,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 03:13:22,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:13:22,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:13:22,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:13:22,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:13:22,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:13:22,486 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:13:22,486 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:13:22,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:13:22,488 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:13:22,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:13:22,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 03:13:22,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 03:13:22,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:13:22,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 03:13:22,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:13:22,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 03:13:22,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:13:22,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:13:22,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:13:22,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 03:13:22,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 03:13:22,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:13:22,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 03:13:22,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:13:22,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:13:22,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:13:22,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:22,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:13:22,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:13:22,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 03:13:22,495 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:13:22,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:13:22,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 03:13:22,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:13:22,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:13:22,497 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_8a66f254-7060-492e-b333-07433b75ae30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2afbb77b17d63ec0fbeac711eb5e89168ce09b9a [2021-10-16 03:13:22,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:13:22,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:13:22,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:13:22,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:13:22,964 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:13:22,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-16 03:13:23,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/216f2e4b2/b48065a2e94244d69a52a342bc30d476/FLAG7fa4ae50d [2021-10-16 03:13:23,633 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:13:23,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c [2021-10-16 03:13:23,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/216f2e4b2/b48065a2e94244d69a52a342bc30d476/FLAG7fa4ae50d [2021-10-16 03:13:23,986 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/data/216f2e4b2/b48065a2e94244d69a52a342bc30d476 [2021-10-16 03:13:23,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:13:23,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:13:24,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:24,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:13:24,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:13:24,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:23" (1/1) ... [2021-10-16 03:13:24,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5403e436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24, skipping insertion in model container [2021-10-16 03:13:24,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:13:23" (1/1) ... [2021-10-16 03:13:24,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:13:24,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:13:24,266 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_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-16 03:13:24,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:24,286 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 03:13:24,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/sv-benchmarks/c/float-newlib/float_req_bl_0681a.c[5435,5448] [2021-10-16 03:13:24,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 03:13:24,388 INFO L208 MainTranslator]: Completed translation [2021-10-16 03:13:24,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24 WrapperNode [2021-10-16 03:13:24,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:13:24,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:24,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 03:13:24,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 03:13:24,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 03:13:24,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 03:13:24,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 03:13:24,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 03:13:24,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 03:13:24,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 03:13:24,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 03:13:24,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 03:13:24,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (1/1) ... [2021-10-16 03:13:24,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:13:24,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 03:13:24,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 03:13:24,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 03:13:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-16 03:13:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 03:13:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 03:13:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-16 03:13:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 03:13:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 03:13:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 03:13:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-16 03:13:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 03:13:24,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 03:13:48,232 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 03:13:48,233 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 03:13:48,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:48 BoogieIcfgContainer [2021-10-16 03:13:48,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 03:13:48,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 03:13:48,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 03:13:48,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 03:13:48,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:13:23" (1/3) ... [2021-10-16 03:13:48,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754ea2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:48, skipping insertion in model container [2021-10-16 03:13:48,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:13:24" (2/3) ... [2021-10-16 03:13:48,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754ea2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:13:48, skipping insertion in model container [2021-10-16 03:13:48,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:13:48" (3/3) ... [2021-10-16 03:13:48,246 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681a.c [2021-10-16 03:13:48,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 03:13:48,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 03:13:48,308 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 03:13:48,315 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 03:13:48,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 03:13:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 112 states have (on average 1.6964285714285714) internal successors, (190), 113 states have internal predecessors, (190), 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 03:13:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 03:13:48,349 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 03:13:48,350 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 03:13:48,350 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 03:13:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 03:13:48,356 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2021-10-16 03:13:48,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 03:13:48,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744052077] [2021-10-16 03:13:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 03:13:48,370 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 03:13:48,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 03:13:48,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 03:13:48,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 03:13:48,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 03:13:48,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 03:13:48,653 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 03:13:48,657 INFO L168 Benchmark]: Toolchain (without parser) took 24657.76 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 40.2 MB in the beginning and 41.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,658 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:13:48,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.77 ms. Allocated memory is still 60.8 MB. Free memory was 40.0 MB in the beginning and 37.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.72 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 34.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,665 INFO L168 Benchmark]: Boogie Preprocessor took 63.36 ms. Allocated memory is still 60.8 MB. Free memory was 34.3 MB in the beginning and 30.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,666 INFO L168 Benchmark]: RCFGBuilder took 23707.76 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 30.9 MB in the beginning and 52.6 MB in the end (delta: -21.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,667 INFO L168 Benchmark]: TraceAbstraction took 416.82 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 41.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 03:13:48,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 389.77 ms. Allocated memory is still 60.8 MB. Free memory was 40.0 MB in the beginning and 37.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.72 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 34.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.36 ms. Allocated memory is still 60.8 MB. Free memory was 34.3 MB in the beginning and 30.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23707.76 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 30.9 MB in the beginning and 52.6 MB in the end (delta: -21.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 416.82 ms. Allocated memory is still 77.6 MB. Free memory was 52.2 MB in the beginning and 41.8 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 03:13:48,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a66f254-7060-492e-b333-07433b75ae30/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...