./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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 b824bf566437e177299c8e8b970f777a8a8d288a .................................................................................................................................................................................................................................................................................................................................................... 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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 b824bf566437e177299c8e8b970f777a8a8d288a ....................................................................................................................................................................................................................................................................... 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 02:32:05,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:32:05,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:32:05,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:32:05,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:32:05,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:32:05,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:32:05,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:32:05,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:32:05,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:32:05,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:32:05,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:32:05,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:32:05,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:32:05,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:32:05,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:32:05,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:32:05,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:32:05,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:32:05,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:32:05,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:32:05,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:32:05,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:32:05,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:32:05,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:32:05,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:32:05,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:32:05,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:32:05,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:32:05,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:32:05,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:32:05,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:32:05,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:32:05,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:32:05,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:32:05,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:32:05,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:32:05,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:32:05,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:32:05,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:32:05,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:32:05,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:32:05,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:32:05,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:32:05,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:32:05,179 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:32:05,179 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:32:05,180 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:32:05,180 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:32:05,180 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:32:05,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:32:05,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:32:05,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:32:05,182 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:32:05,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:32:05,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:32:05,183 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:32:05,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:32:05,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:32:05,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:32:05,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:32:05,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:32:05,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:32:05,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:32:05,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:32:05,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:32:05,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:32:05,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:32:05,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:32:05,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:32:05,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:32:05,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:32:05,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:32:05,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:32:05,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:32:05,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:32:05,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:32:05,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:32:05,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:32:05,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:32:05,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:32:05,193 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2021-10-16 02:32:05,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:32:05,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:32:05,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:32:05,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:32:05,466 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:32:05,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-10-16 02:32:05,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/6dcfa0d4c/66e9d4b230084eb8b2e567c5759ea244/FLAG28bf2588b [2021-10-16 02:32:06,030 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:32:06,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-10-16 02:32:06,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/6dcfa0d4c/66e9d4b230084eb8b2e567c5759ea244/FLAG28bf2588b [2021-10-16 02:32:06,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/6dcfa0d4c/66e9d4b230084eb8b2e567c5759ea244 [2021-10-16 02:32:06,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:32:06,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:32:06,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:32:06,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:32:06,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:32:06,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c409ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06, skipping insertion in model container [2021-10-16 02:32:06,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:32:06,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:32:06,656 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-10-16 02:32:06,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:32:06,669 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:32:06,733 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-10-16 02:32:06,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:32:06,751 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:32:06,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06 WrapperNode [2021-10-16 02:32:06,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:32:06,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:32:06,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:32:06,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:32:06,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:32:06,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:32:06,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:32:06,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:32:06,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:32:06,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:32:06,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:32:06,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:32:06,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (1/1) ... [2021-10-16 02:32:06,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:32:06,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:32:06,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:32:06,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:32:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:32:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:32:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-16 02:32:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:32:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-16 02:32:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:32:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:32:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:32:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-16 02:32:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:32:08,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:32:08,054 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-16 02:32:08,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:32:08 BoogieIcfgContainer [2021-10-16 02:32:08,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:32:08,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:32:08,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:32:08,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:32:08,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:32:06" (1/3) ... [2021-10-16 02:32:08,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec2cb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:32:08, skipping insertion in model container [2021-10-16 02:32:08,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:06" (2/3) ... [2021-10-16 02:32:08,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec2cb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:32:08, skipping insertion in model container [2021-10-16 02:32:08,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:32:08" (3/3) ... [2021-10-16 02:32:08,067 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2021-10-16 02:32:08,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:32:08,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:32:08,149 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:32:08,155 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 02:32:08,155 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:32:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 86 states have (on average 1.744186046511628) internal successors, (150), 87 states have internal predecessors, (150), 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 02:32:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-16 02:32:08,199 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:08,200 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:08,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:08,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:08,206 INFO L82 PathProgramCache]: Analyzing trace with hash 881773259, now seen corresponding path program 1 times [2021-10-16 02:32:08,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:08,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154058080] [2021-10-16 02:32:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:08,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:32:08,375 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 02:32:08,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:32:08,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154058080] [2021-10-16 02:32:08,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154058080] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:32:08,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:32:08,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:32:08,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331356066] [2021-10-16 02:32:08,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:32:08,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:32:08,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:32:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:32:08,400 INFO L87 Difference]: Start difference. First operand has 88 states, 86 states have (on average 1.744186046511628) internal successors, (150), 87 states have internal predecessors, (150), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 02:32:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:32:08,427 INFO L93 Difference]: Finished difference Result 174 states and 297 transitions. [2021-10-16 02:32:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:32:08,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-16 02:32:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:32:08,438 INFO L225 Difference]: With dead ends: 174 [2021-10-16 02:32:08,438 INFO L226 Difference]: Without dead ends: 85 [2021-10-16 02:32:08,441 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 02:32:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-16 02:32:08,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-16 02:32:08,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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 02:32:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-16 02:32:08,479 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 11 [2021-10-16 02:32:08,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:32:08,480 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-16 02:32:08,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 02:32:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-16 02:32:08,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-16 02:32:08,481 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:08,481 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:08,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:32:08,482 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:08,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:08,483 INFO L82 PathProgramCache]: Analyzing trace with hash -967920670, now seen corresponding path program 1 times [2021-10-16 02:32:08,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:32:08,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090417411] [2021-10-16 02:32:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:08,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:32:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:32:08,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:32:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:32:08,662 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:32:08,662 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:32:08,664 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:32:08,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:32:08,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:32:08,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:32:08 BoogieIcfgContainer [2021-10-16 02:32:08,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:32:08,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:32:08,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:32:08,715 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:32:08,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:32:08" (3/4) ... [2021-10-16 02:32:08,719 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:32:08,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:32:08,721 INFO L168 Benchmark]: Toolchain (without parser) took 2322.11 ms. Allocated memory is still 115.3 MB. Free memory was 81.1 MB in the beginning and 57.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:08,722 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:32:08,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.09 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 87.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:08,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.63 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 84.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:08,724 INFO L168 Benchmark]: Boogie Preprocessor took 96.19 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 81.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:08,725 INFO L168 Benchmark]: RCFGBuilder took 1112.00 ms. Allocated memory is still 115.3 MB. Free memory was 81.1 MB in the beginning and 40.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:08,725 INFO L168 Benchmark]: TraceAbstraction took 654.30 ms. Allocated memory is still 115.3 MB. Free memory was 40.2 MB in the beginning and 57.9 MB in the end (delta: -17.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:32:08,726 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 115.3 MB. Free memory was 57.9 MB in the beginning and 57.6 MB in the end (delta: 264.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:32:08,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.09 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 87.9 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 94.63 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 84.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.19 ms. Allocated memory is still 115.3 MB. Free memory was 84.7 MB in the beginning and 81.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1112.00 ms. Allocated memory is still 115.3 MB. Free memory was 81.1 MB in the beginning and 40.7 MB in the end (delta: 40.4 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 654.30 ms. Allocated memory is still 115.3 MB. Free memory was 40.2 MB in the beginning and 57.9 MB in the end (delta: -17.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.78 ms. Allocated memory is still 115.3 MB. Free memory was 57.9 MB in the beginning and 57.6 MB in the end (delta: 264.6 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: 273]: 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 272. 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; [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L273] reach_error() VAL [aT_atan={10:0}, atanhi_atan={7:0}, atanlo_atan={11:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 523.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 20.0ms, AutomataDifference: 56.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 119 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=88occurred 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: 24.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.1ms SsaConstructionTime, 114.6ms SatisfiabilityAnalysisTime, 58.8ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:32:08,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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 02:32:11,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:32:11,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:32:11,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:32:11,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:32:11,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:32:11,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:32:11,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:32:11,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:32:11,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:32:11,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:32:11,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:32:11,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:32:11,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:32:11,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:32:11,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:32:11,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:32:11,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:32:11,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:32:11,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:32:11,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:32:11,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:32:11,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:32:11,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:32:11,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:32:11,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:32:11,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:32:11,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:32:11,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:32:11,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:32:11,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:32:11,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:32:11,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:32:11,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:32:11,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:32:11,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:32:11,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:32:11,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:32:11,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:32:11,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:32:11,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:32:11,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:32:11,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:32:11,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:32:11,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:32:11,602 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:32:11,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:32:11,602 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:32:11,602 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:32:11,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:32:11,603 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:32:11,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:32:11,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:32:11,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:32:11,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:32:11,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:32:11,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:32:11,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:32:11,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:32:11,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:32:11,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:32:11,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:32:11,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:32:11,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:32:11,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:32:11,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:32:11,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:32:11,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:32:11,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:32:11,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:32:11,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:32:11,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:32:11,610 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:32:11,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:32:11,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:32:11,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:32:11,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:32:11,612 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2021-10-16 02:32:12,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:32:12,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:32:12,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:32:12,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:32:12,116 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:32:12,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-10-16 02:32:12,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/e6fa2665d/00a95d6821f848adb9410ae523449b5b/FLAGa5276eee9 [2021-10-16 02:32:12,753 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:32:12,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2021-10-16 02:32:12,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/e6fa2665d/00a95d6821f848adb9410ae523449b5b/FLAGa5276eee9 [2021-10-16 02:32:13,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/data/e6fa2665d/00a95d6821f848adb9410ae523449b5b [2021-10-16 02:32:13,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:32:13,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:32:13,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:32:13,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:32:13,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:32:13,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4963dad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13, skipping insertion in model container [2021-10-16 02:32:13,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:32:13,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:32:13,555 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-10-16 02:32:13,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:32:13,592 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:32:13,724 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_172ddf5d-8d70-4c32-8a92-f5f4556f0619/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c[6446,6459] [2021-10-16 02:32:13,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:32:13,776 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:32:13,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13 WrapperNode [2021-10-16 02:32:13,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:32:13,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:32:13,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:32:13,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:32:13,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:32:13,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:32:13,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:32:13,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:32:13,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:13,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:14,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:14,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:14,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:14,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:32:14,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:32:14,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:32:14,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:32:14,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (1/1) ... [2021-10-16 02:32:14,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:32:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:32:14,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:32:14,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:32:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-16 02:32:14,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-16 02:32:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:32:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:32:14,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-16 02:32:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:32:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:32:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:32:14,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:32:14,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:32:53,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:32:53,771 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-16 02:32:53,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:32:53 BoogieIcfgContainer [2021-10-16 02:32:53,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:32:53,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:32:53,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:32:53,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:32:53,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:32:13" (1/3) ... [2021-10-16 02:32:53,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2c674c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:32:53, skipping insertion in model container [2021-10-16 02:32:53,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:32:13" (2/3) ... [2021-10-16 02:32:53,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2c674c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:32:53, skipping insertion in model container [2021-10-16 02:32:53,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:32:53" (3/3) ... [2021-10-16 02:32:53,784 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2021-10-16 02:32:53,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:32:53,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:32:53,849 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:32:53,856 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 02:32:53,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:32:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 118 states have (on average 1.7033898305084745) internal successors, (201), 119 states have internal predecessors, (201), 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 02:32:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:32:53,884 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:32:53,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:32:53,885 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:32:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:32:53,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2021-10-16 02:32:53,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:32:53,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451569418] [2021-10-16 02:32:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:32:53,910 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:32:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:32:53,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:32:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:32:54,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:32:54,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:32:54,238 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 02:32:54,244 INFO L168 Benchmark]: Toolchain (without parser) took 41164.53 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.0 MB in the beginning and 36.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,245 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:32:54,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.22 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 30.2 MB in the end (delta: 576.3 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.99 ms. Allocated memory is still 54.5 MB. Free memory was 30.2 MB in the beginning and 26.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,247 INFO L168 Benchmark]: Boogie Preprocessor took 147.03 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 26.6 MB in the beginning and 50.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,248 INFO L168 Benchmark]: RCFGBuilder took 39723.36 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 47.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,249 INFO L168 Benchmark]: TraceAbstraction took 466.26 ms. Allocated memory is still 69.2 MB. Free memory was 46.8 MB in the beginning and 36.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:32:54,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.9 MB in the beginning and 35.9 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.22 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 30.2 MB in the end (delta: 576.3 kB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.99 ms. Allocated memory is still 54.5 MB. Free memory was 30.2 MB in the beginning and 26.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.03 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 26.6 MB in the beginning and 50.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39723.36 ms. Allocated memory is still 69.2 MB. Free memory was 49.9 MB in the beginning and 47.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 466.26 ms. Allocated memory is still 69.2 MB. Free memory was 46.8 MB in the beginning and 36.6 MB in the end (delta: 10.3 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 02:32:54,479 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-16 02:32:54,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_172ddf5d-8d70-4c32-8a92-f5f4556f0619/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...