./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan --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 4307611f131e0de710b212b3a12701bf382df8c7 ............................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan --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 4307611f131e0de710b212b3a12701bf382df8c7 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 05:19:43,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:19:43,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:19:43,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:19:43,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:19:43,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:19:43,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:19:43,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:19:43,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:19:43,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:19:43,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:19:43,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:19:43,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:19:43,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:19:43,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:19:43,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:19:43,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:19:43,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:19:43,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:19:43,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:19:43,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:19:43,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:19:43,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:19:43,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:19:43,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:19:43,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:19:43,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:19:43,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:19:43,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:19:43,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:19:43,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:19:43,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:19:43,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:19:43,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:19:43,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:19:43,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:19:43,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:19:43,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:19:43,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:19:43,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:19:43,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:19:43,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 05:19:43,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:19:43,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:19:43,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:19:43,515 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:19:43,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:19:43,515 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:19:43,515 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 05:19:43,515 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:19:43,515 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:19:43,516 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 05:19:43,516 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 05:19:43,516 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:19:43,516 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 05:19:43,516 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 05:19:43,516 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 05:19:43,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:19:43,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 05:19:43,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:19:43,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:19:43,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:19:43,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:19:43,519 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-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-12-09 05:19:43,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:19:43,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:19:43,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:19:43,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:19:43,712 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:19:43,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-12-09 05:19:43,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/5b4664848/b1bdef96c85343cfa1de7b602ab88da0/FLAG457320c97 [2020-12-09 05:19:44,118 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:19:44,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c [2020-12-09 05:19:44,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/5b4664848/b1bdef96c85343cfa1de7b602ab88da0/FLAG457320c97 [2020-12-09 05:19:44,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/5b4664848/b1bdef96c85343cfa1de7b602ab88da0 [2020-12-09 05:19:44,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:19:44,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:19:44,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:19:44,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:19:44,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:19:44,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236681c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44, skipping insertion in model container [2020-12-09 05:19:44,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:19:44,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:19:44,247 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2020-12-09 05:19:44,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:19:44,264 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 05:19:44,272 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2020-12-09 05:19:44,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:19:44,286 INFO L208 MainTranslator]: Completed translation [2020-12-09 05:19:44,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44 WrapperNode [2020-12-09 05:19:44,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:19:44,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 05:19:44,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 05:19:44,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 05:19:44,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 05:19:44,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 05:19:44,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 05:19:44,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 05:19:44,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... [2020-12-09 05:19:44,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 05:19:44,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 05:19:44,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 05:19:44,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 05:19:44,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:19:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 05:19:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 05:19:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 05:19:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 05:19:44,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 05:19:44,523 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-09 05:19:44,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:44 BoogieIcfgContainer [2020-12-09 05:19:44,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 05:19:44,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 05:19:44,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 05:19:44,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 05:19:44,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:19:44" (1/3) ... [2020-12-09 05:19:44,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39cf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:19:44, skipping insertion in model container [2020-12-09 05:19:44,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:44" (2/3) ... [2020-12-09 05:19:44,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39cf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:19:44, skipping insertion in model container [2020-12-09 05:19:44,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:44" (3/3) ... [2020-12-09 05:19:44,530 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-12-09 05:19:44,540 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 05:19:44,542 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 05:19:44,551 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 05:19:44,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 05:19:44,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 05:19:44,567 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 05:19:44,567 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 05:19:44,567 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 05:19:44,567 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 05:19:44,567 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 05:19:44,567 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 05:19:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-12-09 05:19:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-09 05:19:44,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:19:44,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-09 05:19:44,580 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:19:44,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:19:44,583 INFO L82 PathProgramCache]: Analyzing trace with hash 46290, now seen corresponding path program 1 times [2020-12-09 05:19:44,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 05:19:44,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026643235] [2020-12-09 05:19:44,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 05:19:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 05:19:44,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 05:19:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 05:19:44,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 05:19:44,687 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 05:19:44,688 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 05:19:44,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 05:19:44,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:19:44 BoogieIcfgContainer [2020-12-09 05:19:44,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 05:19:44,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 05:19:44,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 05:19:44,702 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 05:19:44,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:44" (3/4) ... [2020-12-09 05:19:44,705 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 05:19:44,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 05:19:44,706 INFO L168 Benchmark]: Toolchain (without parser) took 569.47 ms. Allocated memory is still 83.9 MB. Free memory was 44.0 MB in the beginning and 44.8 MB in the end (delta: -771.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:19:44,707 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:19:44,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.39 ms. Allocated memory is still 83.9 MB. Free memory was 43.8 MB in the beginning and 56.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:19:44,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 83.9 MB. Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:19:44,709 INFO L168 Benchmark]: Boogie Preprocessor took 13.36 ms. Allocated memory is still 83.9 MB. Free memory was 54.4 MB in the beginning and 53.5 MB in the end (delta: 980.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:19:44,709 INFO L168 Benchmark]: RCFGBuilder took 200.90 ms. Allocated memory is still 83.9 MB. Free memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 05:19:44,710 INFO L168 Benchmark]: TraceAbstraction took 176.04 ms. Allocated memory is still 83.9 MB. Free memory was 56.7 MB in the beginning and 45.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 05:19:44,710 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 83.9 MB. Free memory was 45.1 MB in the beginning and 44.8 MB in the end (delta: 359.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:19:44,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 149.39 ms. Allocated memory is still 83.9 MB. Free memory was 43.8 MB in the beginning and 56.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 83.9 MB. Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 13.36 ms. Allocated memory is still 83.9 MB. Free memory was 54.4 MB in the beginning and 53.5 MB in the end (delta: 980.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 200.90 ms. Allocated memory is still 83.9 MB. Free memory was 53.5 MB in the beginning and 57.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 176.04 ms. Allocated memory is still 83.9 MB. Free memory was 56.7 MB in the beginning and 45.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.13 ms. Allocated memory is still 83.9 MB. Free memory was 45.1 MB in the beginning and 44.8 MB in the end (delta: 359.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 05:19:46,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:19:46,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:19:46,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:19:46,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:19:46,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:19:46,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:19:46,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:19:46,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:19:46,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:19:46,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:19:46,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:19:46,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:19:46,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:19:46,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:19:46,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:19:46,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:19:46,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:19:46,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:19:46,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:19:46,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:19:46,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:19:46,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:19:46,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:19:46,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:19:46,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:19:46,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:19:46,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:19:46,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:19:46,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:19:46,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:19:46,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:19:46,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:19:46,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:19:46,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:19:46,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:19:46,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:19:46,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:19:46,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:19:46,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:19:46,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:19:46,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 05:19:46,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:19:46,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:19:46,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:19:46,300 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:19:46,300 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:19:46,301 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:19:46,301 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:19:46,301 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:19:46,301 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:19:46,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:19:46,302 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 05:19:46,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:19:46,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 05:19:46,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:19:46,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:19:46,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:19:46,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:19:46,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 05:19:46,307 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 05:19:46,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 05:19:46,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 05:19:46,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:19:46,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:19:46,309 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-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4307611f131e0de710b212b3a12701bf382df8c7 [2020-12-09 05:19:46,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:19:46,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:19:46,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:19:46,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:19:46,557 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:19:46,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/../../sv-benchmarks/c/float-benchs/Rump_double.c [2020-12-09 05:19:46,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/59039ea1a/f12b9782b4a94d0fbb50312c1e77f7cd/FLAGbc458bf4d [2020-12-09 05:19:46,996 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:19:46,996 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c [2020-12-09 05:19:47,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/59039ea1a/f12b9782b4a94d0fbb50312c1e77f7cd/FLAGbc458bf4d [2020-12-09 05:19:47,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/data/59039ea1a/f12b9782b4a94d0fbb50312c1e77f7cd [2020-12-09 05:19:47,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:19:47,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:19:47,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:19:47,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:19:47,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:19:47,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf4b610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47, skipping insertion in model container [2020-12-09 05:19:47,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:19:47,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:19:47,124 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2020-12-09 05:19:47,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:19:47,144 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 05:19:47,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2020-12-09 05:19:47,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 05:19:47,182 INFO L208 MainTranslator]: Completed translation [2020-12-09 05:19:47,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47 WrapperNode [2020-12-09 05:19:47,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:19:47,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 05:19:47,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 05:19:47,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 05:19:47,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 05:19:47,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 05:19:47,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 05:19:47,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 05:19:47,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... [2020-12-09 05:19:47,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 05:19:47,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 05:19:47,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 05:19:47,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 05:19:47,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:19:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 05:19:47,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 05:19:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 05:19:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 05:19:52,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 05:19:52,782 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-09 05:19:52,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:52 BoogieIcfgContainer [2020-12-09 05:19:52,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 05:19:52,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 05:19:52,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 05:19:52,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 05:19:52,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:19:47" (1/3) ... [2020-12-09 05:19:52,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19371194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:19:52, skipping insertion in model container [2020-12-09 05:19:52,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:19:47" (2/3) ... [2020-12-09 05:19:52,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19371194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:19:52, skipping insertion in model container [2020-12-09 05:19:52,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:52" (3/3) ... [2020-12-09 05:19:52,794 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2020-12-09 05:19:52,810 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 05:19:52,813 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 05:19:52,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 05:19:52,843 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 05:19:52,843 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 05:19:52,844 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 05:19:52,844 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 05:19:52,844 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 05:19:52,844 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 05:19:52,844 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 05:19:52,844 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 05:19:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 05:19:52,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 05:19:52,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 05:19:52,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 05:19:52,856 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 05:19:52,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 05:19:52,859 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-09 05:19:52,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 05:19:52,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990168289] [2020-12-09 05:19:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 05:19:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 05:19:59,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 05:19:59,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 05:20:00,062 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 5 [2020-12-09 05:20:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 05:20:00,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 05:20:00,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990168289] [2020-12-09 05:20:00,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 05:20:00,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 05:20:00,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939412706] [2020-12-09 05:20:00,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 05:20:00,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 05:20:00,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 05:20:00,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 05:20:00,085 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 05:20:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 05:20:05,982 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-12-09 05:20:05,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 05:20:05,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-12-09 05:20:05,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 05:20:05,992 INFO L225 Difference]: With dead ends: 13 [2020-12-09 05:20:05,992 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 05:20:05,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 05:20:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 05:20:06,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 05:20:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 05:20:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 05:20:06,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-09 05:20:06,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 05:20:06,016 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 05:20:06,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 05:20:06,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 05:20:06,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 05:20:06,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 05:20:06,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 05:20:06,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 05:20:06,408 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 05:20:06,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 05:20:06,409 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 05:20:06,409 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-12-09 05:20:06,409 INFO L258 CegarLoopResult]: At program point L16(lines 8 17) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-09 05:20:06,409 INFO L262 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-12-09 05:20:06,409 INFO L262 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-12-09 05:20:06,410 INFO L258 CegarLoopResult]: At program point L6-3(line 6) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-09 05:20:06,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:20:06 BoogieIcfgContainer [2020-12-09 05:20:06,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 05:20:06,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 05:20:06,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 05:20:06,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 05:20:06,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:19:52" (3/4) ... [2020-12-09 05:20:06,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 05:20:06,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 05:20:06,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 05:20:06,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 05:20:06,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 05:20:06,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dc8cff83-2cb7-4b95-b24b-3718ba0ef064/bin/utaipan/witness.graphml [2020-12-09 05:20:06,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 05:20:06,469 INFO L168 Benchmark]: Toolchain (without parser) took 19451.87 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 40.0 MB in the beginning and 62.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,470 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:20:06,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.89 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 44.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 60.8 MB. Free memory was 44.7 MB in the beginning and 43.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,471 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 42.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:20:06,471 INFO L168 Benchmark]: RCFGBuilder took 5544.18 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 31.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,472 INFO L168 Benchmark]: TraceAbstraction took 13638.16 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 42.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,472 INFO L168 Benchmark]: Witness Printer took 43.03 ms. Allocated memory is still 81.8 MB. Free memory was 42.2 MB in the beginning and 62.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-12-09 05:20:06,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 164.89 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 44.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.58 ms. Allocated memory is still 60.8 MB. Free memory was 44.7 MB in the beginning and 43.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 42.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 5544.18 ms. Allocated memory is still 60.8 MB. Free memory was 42.1 MB in the beginning and 31.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13638.16 ms. Allocated memory was 60.8 MB in the beginning and 81.8 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 42.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Witness Printer took 43.03 ms. Allocated memory is still 81.8 MB. Free memory was 42.2 MB in the beginning and 62.8 MB in the end (delta: -20.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 5 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 7 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...