./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8 --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 8da48de392bfeb98cf442ccd07f59108302b2d35 .................................................................................................................................................................................................................................................................................................................................................. 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8 --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 8da48de392bfeb98cf442ccd07f59108302b2d35 ....................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 07:42:04,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:42:04,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:42:04,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:42:04,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:42:04,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:42:04,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:42:04,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:42:04,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:42:04,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:42:04,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:42:04,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:42:04,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:42:04,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:42:04,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:42:04,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:42:04,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:42:04,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:42:04,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:42:04,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:42:04,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:42:04,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:42:04,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:42:04,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:42:04,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:42:04,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:42:04,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:42:04,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:42:04,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:42:04,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:42:04,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:42:04,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:42:04,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:42:04,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:42:04,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:42:04,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:42:04,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:42:04,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:42:04,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:42:04,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:42:04,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:42:04,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:42:04,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:42:04,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:42:04,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:42:04,685 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:42:04,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:42:04,685 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:42:04,686 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:42:04,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:42:04,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:42:04,686 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:42:04,686 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:42:04,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:42:04,687 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:42:04,687 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:42:04,687 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:42:04,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:42:04,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:42:04,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:42:04,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:42:04,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:42:04,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:42:04,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:42:04,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:42:04,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:42:04,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:42:04,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:42:04,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:42:04,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:42:04,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:42:04,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:42:04,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:04,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:42:04,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:42:04,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:42:04,692 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:42:04,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:42:04,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:42:04,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:42:04,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:42:04,693 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2021-10-13 07:42:04,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:42:04,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:42:04,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:42:04,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:42:04,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:42:04,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2021-10-13 07:42:05,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/6cddde9e9/6f916b0786bb48a7b439a9f7ae6e8c2d/FLAGda08404b3 [2021-10-13 07:42:05,548 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:42:05,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2021-10-13 07:42:05,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/6cddde9e9/6f916b0786bb48a7b439a9f7ae6e8c2d/FLAGda08404b3 [2021-10-13 07:42:05,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/6cddde9e9/6f916b0786bb48a7b439a9f7ae6e8c2d [2021-10-13 07:42:05,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:42:05,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:42:05,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:05,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:42:05,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:42:05,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:05" (1/1) ... [2021-10-13 07:42:05,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc3c5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:05, skipping insertion in model container [2021-10-13 07:42:05,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:05" (1/1) ... [2021-10-13 07:42:05,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:42:05,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:42:06,179 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2021-10-13 07:42:06,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:06,192 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:42:06,249 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2021-10-13 07:42:06,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:06,267 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:42:06,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06 WrapperNode [2021-10-13 07:42:06,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:06,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:06,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:42:06,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:42:06,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:06,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:42:06,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:42:06,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:42:06,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:42:06,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:42:06,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:42:06,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:42:06,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (1/1) ... [2021-10-13 07:42:06,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:06,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:42:06,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:42:06,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:42:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:42:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:42:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-13 07:42:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:42:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-13 07:42:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:42:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:42:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 07:42:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-13 07:42:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:42:07,472 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:42:07,473 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:42:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:07 BoogieIcfgContainer [2021-10-13 07:42:07,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:42:07,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:42:07,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:42:07,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:42:07,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:42:05" (1/3) ... [2021-10-13 07:42:07,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c2462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:07, skipping insertion in model container [2021-10-13 07:42:07,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:06" (2/3) ... [2021-10-13 07:42:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303c2462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:07, skipping insertion in model container [2021-10-13 07:42:07,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:07" (3/3) ... [2021-10-13 07:42:07,489 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2021-10-13 07:42:07,494 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:42:07,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:42:07,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:42:07,562 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 [2021-10-13 07:42:07,563 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:42:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 83 states have internal predecessors, (143), 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) [2021-10-13 07:42:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 07:42:07,621 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:07,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:42:07,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:07,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1882889100, now seen corresponding path program 1 times [2021-10-13 07:42:07,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:42:07,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556175712] [2021-10-13 07:42:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:07,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:42:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:42:07,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:42:07,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:42:07,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556175712] [2021-10-13 07:42:07,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556175712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:42:07,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:42:07,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 07:42:07,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790309752] [2021-10-13 07:42:07,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:42:07,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:42:07,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:42:07,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:42:07,835 INFO L87 Difference]: Start difference. First operand has 84 states, 82 states have (on average 1.7439024390243902) internal successors, (143), 83 states have internal predecessors, (143), 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) [2021-10-13 07:42:07,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:42:07,878 INFO L93 Difference]: Finished difference Result 166 states and 283 transitions. [2021-10-13 07:42:07,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:42:07,880 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 [2021-10-13 07:42:07,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:42:07,891 INFO L225 Difference]: With dead ends: 166 [2021-10-13 07:42:07,891 INFO L226 Difference]: Without dead ends: 81 [2021-10-13 07:42:07,895 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 [2021-10-13 07:42:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-13 07:42:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-10-13 07:42:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 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) [2021-10-13 07:42:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 110 transitions. [2021-10-13 07:42:07,943 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 110 transitions. Word has length 10 [2021-10-13 07:42:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:42:07,943 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 110 transitions. [2021-10-13 07:42:07,943 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) [2021-10-13 07:42:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2021-10-13 07:42:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:42:07,944 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:07,945 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:42:07,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:42:07,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:07,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1485570307, now seen corresponding path program 1 times [2021-10-13 07:42:07,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:42:07,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385129877] [2021-10-13 07:42:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:07,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:42:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:42:08,108 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:42:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:42:08,238 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 07:42:08,239 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:42:08,241 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:42:08,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:42:08,249 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:42:08,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:42:08 BoogieIcfgContainer [2021-10-13 07:42:08,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:42:08,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:42:08,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:42:08,315 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:42:08,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:07" (3/4) ... [2021-10-13 07:42:08,318 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 07:42:08,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:42:08,321 INFO L168 Benchmark]: Toolchain (without parser) took 2430.94 ms. Allocated memory is still 115.3 MB. Free memory was 80.6 MB in the beginning and 58.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,321 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 85.5 MB in the beginning and 85.5 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:08,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.88 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 87.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.86 ms. Allocated memory is still 115.3 MB. Free memory was 87.3 MB in the beginning and 84.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,331 INFO L168 Benchmark]: Boogie Preprocessor took 56.95 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 81.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,332 INFO L168 Benchmark]: RCFGBuilder took 1076.58 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 41.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,333 INFO L168 Benchmark]: TraceAbstraction took 833.51 ms. Allocated memory is still 115.3 MB. Free memory was 40.3 MB in the beginning and 59.0 MB in the end (delta: -18.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:08,333 INFO L168 Benchmark]: Witness Printer took 4.32 ms. Allocated memory is still 115.3 MB. Free memory was 59.0 MB in the beginning and 58.5 MB in the end (delta: 473.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:08,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 115.3 MB. Free memory was 85.5 MB in the beginning and 85.5 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 355.88 ms. Allocated memory is still 115.3 MB. Free memory was 80.3 MB in the beginning and 87.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.86 ms. Allocated memory is still 115.3 MB. Free memory was 87.3 MB in the beginning and 84.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.95 ms. Allocated memory is still 115.3 MB. Free memory was 84.1 MB in the beginning and 81.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1076.58 ms. Allocated memory is still 115.3 MB. Free memory was 80.8 MB in the beginning and 41.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 833.51 ms. Allocated memory is still 115.3 MB. Free memory was 40.3 MB in the beginning and 59.0 MB in the end (delta: -18.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.32 ms. Allocated memory is still 115.3 MB. Free memory was 59.0 MB in the beginning and 58.5 MB in the end (delta: 473.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 262]: 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 261. 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; [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={10:0}, 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={5:0}, atanhi_atan={10:0}, 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={5:0}, atanhi_atan={10:0}, 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={5:0}, atanhi_atan={10:0}, 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={5:0}, atanhi_atan={10:0}, 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] [L262] reach_error() VAL [aT_atan={5:0}, atanhi_atan={10:0}, 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, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 691.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 22.6ms, AutomataDifference: 81.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 35.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 114 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=84occurred 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: 33.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.4ms SsaConstructionTime, 179.7ms SatisfiabilityAnalysisTime, 66.3ms 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 [2021-10-13 07:42:08,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:42:10,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:42:10,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:42:10,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:42:10,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:42:10,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:42:10,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:42:10,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:42:10,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:42:10,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:42:10,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:42:10,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:42:10,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:42:10,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:42:10,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:42:10,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:42:10,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:42:10,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:42:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:42:10,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:42:10,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:42:10,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:42:10,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:42:10,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:42:10,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:42:10,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:42:10,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:42:10,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:42:10,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:42:10,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:42:10,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:42:10,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:42:10,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:42:10,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:42:10,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:42:10,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:42:10,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:42:10,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:42:10,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:42:10,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:42:10,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:42:10,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:42:11,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:42:11,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:42:11,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:42:11,010 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:42:11,011 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:42:11,011 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:42:11,011 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:42:11,011 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:42:11,012 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:42:11,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:42:11,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:42:11,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:42:11,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:42:11,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:42:11,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:42:11,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:42:11,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:42:11,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:42:11,016 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:42:11,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:42:11,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:42:11,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:42:11,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:42:11,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:42:11,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:42:11,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:42:11,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:11,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:42:11,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:42:11,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:42:11,019 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:42:11,019 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:42:11,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:42:11,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:42:11,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:42:11,021 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2021-10-13 07:42:11,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:42:11,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:42:11,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:42:11,433 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:42:11,433 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:42:11,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2021-10-13 07:42:11,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/7b58c9e35/0020c3c6fc5049f99a5cbbde62e9fd0a/FLAG51b56cd53 [2021-10-13 07:42:12,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:42:12,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2021-10-13 07:42:12,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/7b58c9e35/0020c3c6fc5049f99a5cbbde62e9fd0a/FLAG51b56cd53 [2021-10-13 07:42:12,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/data/7b58c9e35/0020c3c6fc5049f99a5cbbde62e9fd0a [2021-10-13 07:42:12,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:42:12,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:42:12,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:12,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:42:12,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:42:12,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e91e01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12, skipping insertion in model container [2021-10-13 07:42:12,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:42:12,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:42:12,702 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2021-10-13 07:42:12,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:12,729 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:42:12,839 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_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2021-10-13 07:42:12,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:42:12,862 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:42:12,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12 WrapperNode [2021-10-13 07:42:12,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:42:12,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:12,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:42:12,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:42:12,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:42:12,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:42:12,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:42:12,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:42:12,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:12,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:13,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:13,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:13,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:13,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:42:13,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:42:13,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:42:13,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:42:13,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (1/1) ... [2021-10-13 07:42:13,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:42:13,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:42:13,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:42:13,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:42:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-13 07:42:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-13 07:42:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:42:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:42:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-13 07:42:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:42:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:42:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:42:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:42:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:42:50,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:42:50,424 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-13 07:42:50,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:50 BoogieIcfgContainer [2021-10-13 07:42:50,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:42:50,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:42:50,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:42:50,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:42:50,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:42:12" (1/3) ... [2021-10-13 07:42:50,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390bb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:50, skipping insertion in model container [2021-10-13 07:42:50,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:42:12" (2/3) ... [2021-10-13 07:42:50,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2390bb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:42:50, skipping insertion in model container [2021-10-13 07:42:50,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:42:50" (3/3) ... [2021-10-13 07:42:50,439 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2021-10-13 07:42:50,444 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:42:50,444 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:42:50,501 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:42:50,507 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 [2021-10-13 07:42:50,508 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:42:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 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) [2021-10-13 07:42:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 07:42:50,532 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:42:50,533 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:42:50,534 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:42:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:42:50,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2021-10-13 07:42:50,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:42:50,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150297048] [2021-10-13 07:42:50,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:42:50,580 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:42:50,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:42:50,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:42:50,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:42:50,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:42:50,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:42:50,894 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 [2021-10-13 07:42:50,900 INFO L168 Benchmark]: Toolchain (without parser) took 38444.20 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 24.6 MB in the beginning and 52.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:50,901 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:50,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.24 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 24.5 MB in the beginning and 43.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:50,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.41 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 39.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:50,905 INFO L168 Benchmark]: Boogie Preprocessor took 79.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.9 MB in the beginning and 36.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:50,910 INFO L168 Benchmark]: RCFGBuilder took 37405.58 ms. Allocated memory is still 65.0 MB. Free memory was 36.5 MB in the beginning and 30.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:42:50,912 INFO L168 Benchmark]: TraceAbstraction took 468.40 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 52.2 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:42:50,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 31.3 MB in the beginning and 31.3 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.24 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 24.5 MB in the beginning and 43.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.41 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 39.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.26 ms. Allocated memory is still 65.0 MB. Free memory was 39.9 MB in the beginning and 36.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37405.58 ms. Allocated memory is still 65.0 MB. Free memory was 36.5 MB in the beginning and 30.1 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 468.40 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 52.2 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:232) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 07:42:51,151 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-13 07:42:51,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687251fa-3b73-46c4-92ea-5ea40cd5cb6f/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...