./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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 720f2db9041449ba416043cdd20f795f2de03f54 ................................................................................................................................................................................................................................................................................................................................................. 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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 720f2db9041449ba416043cdd20f795f2de03f54 ....................................................................................................................................................................................................................................................................... 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 02:18:26,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:18:26,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:18:26,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:18:26,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:18:26,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:18:26,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:18:26,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:18:26,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:18:26,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:18:26,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:18:26,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:18:26,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:18:26,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:18:26,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:18:26,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:18:26,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:18:26,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:18:26,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:18:26,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:18:26,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:18:26,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:18:26,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:18:26,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:18:26,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:18:26,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:18:26,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:18:26,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:18:26,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:18:26,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:18:26,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:18:26,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:18:26,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:18:26,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:18:26,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:18:26,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:18:26,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:18:26,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:18:26,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:18:26,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:18:26,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:18:26,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:18:26,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:18:26,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:18:26,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:18:26,215 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:18:26,215 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:18:26,215 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:18:26,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:18:26,216 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:18:26,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:18:26,216 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:18:26,217 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:18:26,217 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:18:26,218 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:18:26,218 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:18:26,218 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:18:26,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:18:26,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:18:26,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:18:26,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:18:26,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:18:26,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:18:26,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:18:26,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:18:26,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:18:26,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:18:26,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:18:26,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:18:26,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:18:26,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:18:26,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:18:26,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:18:26,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:18:26,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:18:26,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:18:26,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:18:26,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:18:26,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:18:26,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:18:26,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:18:26,227 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2021-10-16 02:18:26,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:18:26,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:18:26,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:18:26,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:18:26,542 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:18:26,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2021-10-16 02:18:26,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/2e7a059e2/d99e5e873ddd467b845c52a9f7e641be/FLAGa59d95306 [2021-10-16 02:18:27,080 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:18:27,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2021-10-16 02:18:27,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/2e7a059e2/d99e5e873ddd467b845c52a9f7e641be/FLAGa59d95306 [2021-10-16 02:18:27,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/2e7a059e2/d99e5e873ddd467b845c52a9f7e641be [2021-10-16 02:18:27,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:18:27,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:18:27,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:18:27,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:18:27,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:18:27,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6611c5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27, skipping insertion in model container [2021-10-16 02:18:27,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:18:27,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:18:27,740 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2021-10-16 02:18:27,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:18:27,755 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:18:27,815 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2021-10-16 02:18:27,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:18:27,834 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:18:27,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27 WrapperNode [2021-10-16 02:18:27,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:18:27,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:18:27,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:18:27,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:18:27,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:18:27,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:18:27,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:18:27,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:18:27,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:18:27,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:18:27,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:18:27,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:18:27,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (1/1) ... [2021-10-16 02:18:27,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:18:28,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:18:28,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:18:28,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:18:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:18:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:18:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:18:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:18:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:18:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:18:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:18:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:18:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:18:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:18:29,042 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:18:29,043 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:18:29,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:18:29 BoogieIcfgContainer [2021-10-16 02:18:29,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:18:29,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:18:29,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:18:29,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:18:29,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:18:27" (1/3) ... [2021-10-16 02:18:29,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6534f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:18:29, skipping insertion in model container [2021-10-16 02:18:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:27" (2/3) ... [2021-10-16 02:18:29,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6534f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:18:29, skipping insertion in model container [2021-10-16 02:18:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:18:29" (3/3) ... [2021-10-16 02:18:29,063 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2021-10-16 02:18:29,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:18:29,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:18:29,112 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:18:29,118 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 02:18:29,118 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:18:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 80 states have (on average 1.75) internal successors, (140), 81 states have internal predecessors, (140), 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 02:18:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-16 02:18:29,137 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:18:29,138 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:18:29,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:18:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:18:29,144 INFO L82 PathProgramCache]: Analyzing trace with hash 382235670, now seen corresponding path program 1 times [2021-10-16 02:18:29,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:18:29,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174431963] [2021-10-16 02:18:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:18:29,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:18:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:18:29,305 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 02:18:29,306 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:18:29,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174431963] [2021-10-16 02:18:29,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174431963] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:18:29,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:18:29,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:18:29,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646259824] [2021-10-16 02:18:29,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:18:29,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:18:29,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:18:29,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:18:29,337 INFO L87 Difference]: Start difference. First operand has 82 states, 80 states have (on average 1.75) internal successors, (140), 81 states have internal predecessors, (140), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 02:18:29,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:18:29,379 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2021-10-16 02:18:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:18:29,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-16 02:18:29,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:18:29,396 INFO L225 Difference]: With dead ends: 163 [2021-10-16 02:18:29,396 INFO L226 Difference]: Without dead ends: 80 [2021-10-16 02:18:29,400 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 02:18:29,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-16 02:18:29,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-16 02:18:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 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 02:18:29,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2021-10-16 02:18:29,436 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2021-10-16 02:18:29,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:18:29,437 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2021-10-16 02:18:29,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 02:18:29,437 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2021-10-16 02:18:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:18:29,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:18:29,438 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:18:29,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:18:29,439 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:18:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:18:29,440 INFO L82 PathProgramCache]: Analyzing trace with hash 2045881791, now seen corresponding path program 1 times [2021-10-16 02:18:29,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:18:29,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435677577] [2021-10-16 02:18:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:18:29,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:18:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:18:29,552 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:18:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:18:29,711 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:18:29,711 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:18:29,715 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:18:29,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:18:29,725 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:18:29,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:18:29 BoogieIcfgContainer [2021-10-16 02:18:29,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:18:29,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:18:29,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:18:29,790 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:18:29,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:18:29" (3/4) ... [2021-10-16 02:18:29,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:18:29,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:18:29,799 INFO L168 Benchmark]: Toolchain (without parser) took 2341.49 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.8 MB in the beginning and 72.4 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:18:29,799 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:18:29,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.79 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.6 MB in the beginning and 79.3 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:18:29,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.89 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 76.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:18:29,809 INFO L168 Benchmark]: Boogie Preprocessor took 61.94 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 72.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:18:29,810 INFO L168 Benchmark]: RCFGBuilder took 1067.96 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 70.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:18:29,811 INFO L168 Benchmark]: TraceAbstraction took 742.01 ms. Allocated memory is still 107.0 MB. Free memory was 70.3 MB in the beginning and 73.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:18:29,811 INFO L168 Benchmark]: Witness Printer took 6.36 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 72.4 MB in the end (delta: 629.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:18:29,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.79 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.6 MB in the beginning and 79.3 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.89 ms. Allocated memory is still 107.0 MB. Free memory was 79.3 MB in the beginning and 76.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.94 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 72.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1067.96 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 70.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 742.01 ms. Allocated memory is still 107.0 MB. Free memory was 70.3 MB in the beginning and 73.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.36 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 72.4 MB in the end (delta: 629.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 258]: 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 someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. 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; [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 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] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 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] 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, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 613.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 8.7ms, AutomataDifference: 84.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 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=82occurred 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: 22.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.1ms SsaConstructionTime, 141.6ms SatisfiabilityAnalysisTime, 57.3ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 02:18:29,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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 02:18:32,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:18:32,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:18:32,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:18:32,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:18:32,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:18:32,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:18:32,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:18:32,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:18:32,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:18:32,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:18:32,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:18:32,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:18:32,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:18:32,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:18:32,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:18:32,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:18:32,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:18:32,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:18:32,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:18:32,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:18:32,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:18:32,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:18:32,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:18:32,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:18:32,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:18:32,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:18:32,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:18:32,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:18:32,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:18:32,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:18:32,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:18:32,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:18:32,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:18:32,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:18:32,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:18:32,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:18:32,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:18:32,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:18:32,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:18:32,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:18:32,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:18:32,393 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:18:32,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:18:32,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:18:32,395 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:18:32,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:18:32,396 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:18:32,396 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:18:32,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:18:32,396 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:18:32,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:18:32,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:18:32,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:18:32,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:18:32,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:18:32,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:18:32,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:18:32,400 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:18:32,400 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:18:32,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:18:32,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:18:32,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:18:32,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:18:32,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:18:32,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:18:32,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:18:32,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:18:32,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:18:32,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:18:32,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:18:32,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:18:32,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:18:32,403 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:18:32,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:18:32,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:18:32,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:18:32,404 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2021-10-16 02:18:32,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:18:32,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:18:32,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:18:32,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:18:32,782 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:18:32,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2021-10-16 02:18:32,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/fc5337e2c/44a31cde930040d9acd572c15e5b5f27/FLAG870bb1db1 [2021-10-16 02:18:33,307 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:18:33,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2021-10-16 02:18:33,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/fc5337e2c/44a31cde930040d9acd572c15e5b5f27/FLAG870bb1db1 [2021-10-16 02:18:33,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/data/fc5337e2c/44a31cde930040d9acd572c15e5b5f27 [2021-10-16 02:18:33,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:18:33,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:18:33,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:18:33,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:18:33,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:18:33,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:18:33" (1/1) ... [2021-10-16 02:18:33,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e14a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:33, skipping insertion in model container [2021-10-16 02:18:33,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:18:33" (1/1) ... [2021-10-16 02:18:33,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:18:33,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:18:34,052 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2021-10-16 02:18:34,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:18:34,088 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:18:34,165 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_9009eefd-fdd4-445b-abea-4e1a1850ba5e/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c[6204,6217] [2021-10-16 02:18:34,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:18:34,188 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:18:34,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34 WrapperNode [2021-10-16 02:18:34,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:18:34,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:18:34,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:18:34,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:18:34,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:18:34,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:18:34,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:18:34,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:18:34,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:18:34,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:18:34,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:18:34,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:18:34,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (1/1) ... [2021-10-16 02:18:34,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:18:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:18:34,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:18:34,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:18:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:18:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:18:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:19:14,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:19:14,134 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-16 02:19:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:19:14 BoogieIcfgContainer [2021-10-16 02:19:14,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:19:14,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:19:14,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:19:14,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:19:14,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:18:33" (1/3) ... [2021-10-16 02:19:14,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a836189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:19:14, skipping insertion in model container [2021-10-16 02:19:14,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:18:34" (2/3) ... [2021-10-16 02:19:14,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a836189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:19:14, skipping insertion in model container [2021-10-16 02:19:14,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:19:14" (3/3) ... [2021-10-16 02:19:14,159 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2021-10-16 02:19:14,165 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:19:14,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:19:14,230 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:19:14,239 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 02:19:14,239 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:19:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 111 states have (on average 1.7117117117117118) internal successors, (190), 112 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 02:19:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:19:14,271 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:19:14,272 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:19:14,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:19:14,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:19:14,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2021-10-16 02:19:14,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:19:14,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141748300] [2021-10-16 02:19:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:19:14,296 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:19:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:19:14,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:19:14,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:19:14,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:19:14,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:19:14,600 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 02:19:14,604 INFO L168 Benchmark]: Toolchain (without parser) took 40902.71 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 40.5 MB in the beginning and 45.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,605 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:19:14,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.01 ms. Allocated memory is still 65.0 MB. Free memory was 40.3 MB in the beginning and 43.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.63 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 40.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,607 INFO L168 Benchmark]: Boogie Preprocessor took 94.90 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,616 INFO L168 Benchmark]: RCFGBuilder took 39769.65 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 56.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,619 INFO L168 Benchmark]: TraceAbstraction took 462.64 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 45.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:14,624 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 30.3 MB in the beginning and 30.3 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 485.01 ms. Allocated memory is still 65.0 MB. Free memory was 40.3 MB in the beginning and 43.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.63 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 40.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.90 ms. Allocated memory is still 65.0 MB. Free memory was 40.0 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39769.65 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 56.5 MB in the end (delta: -19.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 462.64 ms. Allocated memory is still 88.1 MB. Free memory was 56.1 MB in the beginning and 45.9 MB in the end (delta: 10.2 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 02:19:14,875 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:19:14,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9009eefd-fdd4-445b-abea-4e1a1850ba5e/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...