./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8 --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 bc374151ad7cbf5164d124b31f1469c11fb09f7ea899f596b5df5ff69b5f22f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:57:33,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:57:33,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:57:33,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:57:33,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:57:33,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:57:33,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:57:33,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:57:33,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:57:33,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:57:33,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:57:33,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:57:33,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:57:33,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:57:33,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:57:33,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:57:33,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:57:33,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:57:33,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:57:33,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:57:33,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:57:33,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:57:33,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:57:33,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:57:33,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:57:33,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:57:33,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:57:33,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:57:33,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:57:33,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:57:33,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:57:33,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:57:33,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:57:33,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:57:33,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:57:33,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:57:33,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:57:33,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:57:33,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:57:33,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:57:33,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:57:33,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:57:33,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:57:33,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:57:33,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:57:33,647 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:57:33,647 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:57:33,647 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:57:33,647 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:57:33,648 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:57:33,651 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:57:33,651 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:57:33,652 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:57:33,652 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:57:33,653 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:57:33,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:57:33,653 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:57:33,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:57:33,654 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:57:33,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:57:33,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:57:33,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:57:33,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:57:33,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:57:33,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:57:33,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:57:33,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:57:33,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:57:33,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:57:33,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:57:33,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:57:33,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:57:33,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:33,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:57:33,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:57:33,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:57:33,659 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:57:33,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:57:33,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:57:33,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:57:33,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:57:33,660 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_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc374151ad7cbf5164d124b31f1469c11fb09f7ea899f596b5df5ff69b5f22f3 [2021-11-07 00:57:33,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:57:33,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:57:33,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:57:33,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:57:33,983 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:57:33,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/eca-rers2018/Problem12.c [2021-11-07 00:57:34,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/8dcbe5e91/f1dd2596e0b84b19bfc6560f8f741311/FLAG72df6d90d [2021-11-07 00:57:35,158 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:57:35,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c [2021-11-07 00:57:35,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/8dcbe5e91/f1dd2596e0b84b19bfc6560f8f741311/FLAG72df6d90d [2021-11-07 00:57:35,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/8dcbe5e91/f1dd2596e0b84b19bfc6560f8f741311 [2021-11-07 00:57:35,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:57:35,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:57:35,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:35,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:57:35,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:57:35,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:35" (1/1) ... [2021-11-07 00:57:35,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c68d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:35, skipping insertion in model container [2021-11-07 00:57:35,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:57:35" (1/1) ... [2021-11-07 00:57:35,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:57:35,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:57:36,039 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[778,791] [2021-11-07 00:57:36,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[817,830] [2021-11-07 00:57:39,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:39,731 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:57:39,744 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[778,791] [2021-11-07 00:57:39,745 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[817,830] [2021-11-07 00:57:41,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:41,223 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:57:41,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41 WrapperNode [2021-11-07 00:57:41,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:41,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:41,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:57:41,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:57:41,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:41,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:43,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:43,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:57:43,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:57:43,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:57:43,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:43,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:44,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:44,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:45,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:45,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:45,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:46,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:57:46,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:57:46,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:57:46,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:57:46,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:41" (1/1) ... [2021-11-07 00:57:46,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:46,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:57:46,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:57:46,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:57:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:57:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:57:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:57:46,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:57:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:09:30,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-07 01:09:30,006 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-07 01:09:30,008 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:268) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.getInterproceduralTransFormula(SequentialComposition.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.SequentialComposition.(SequentialComposition.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructSequentialComposition(CodeBlockFactory.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1649) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:278) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 28 more [2021-11-07 01:09:30,013 INFO L168 Benchmark]: Toolchain (without parser) took 714518.44 ms. Allocated memory was 104.9 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 73.8 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.1 GB. [2021-11-07 01:09:30,014 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 64.0 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:09:30,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5728.60 ms. Allocated memory was 104.9 MB in the beginning and 398.5 MB in the end (delta: 293.6 MB). Free memory was 73.5 MB in the beginning and 244.8 MB in the end (delta: -171.2 MB). Peak memory consumption was 137.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:09:30,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 2462.85 ms. Allocated memory was 398.5 MB in the beginning and 1.0 GB in the end (delta: 643.8 MB). Free memory was 244.8 MB in the beginning and 696.6 MB in the end (delta: -451.8 MB). Peak memory consumption was 225.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:09:30,017 INFO L168 Benchmark]: Boogie Preprocessor took 2377.14 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 696.6 MB in the beginning and 2.6 GB in the end (delta: -1.9 GB). Peak memory consumption was 149.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:09:30,018 INFO L168 Benchmark]: RCFGBuilder took 703943.49 ms. Allocated memory was 3.1 GB in the beginning and 6.9 GB in the end (delta: 3.8 GB). Free memory was 2.6 GB in the beginning and 5.2 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. [2021-11-07 01:09:30,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 64.0 MB in the beginning and 64.0 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5728.60 ms. Allocated memory was 104.9 MB in the beginning and 398.5 MB in the end (delta: 293.6 MB). Free memory was 73.5 MB in the beginning and 244.8 MB in the end (delta: -171.2 MB). Peak memory consumption was 137.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 2462.85 ms. Allocated memory was 398.5 MB in the beginning and 1.0 GB in the end (delta: 643.8 MB). Free memory was 244.8 MB in the beginning and 696.6 MB in the end (delta: -451.8 MB). Peak memory consumption was 225.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 2377.14 ms. Allocated memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 696.6 MB in the beginning and 2.6 GB in the end (delta: -1.9 GB). Peak memory consumption was 149.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 703943.49 ms. Allocated memory was 3.1 GB in the beginning and 6.9 GB in the end (delta: 3.8 GB). Free memory was 2.6 GB in the beginning and 5.2 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8 --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 bc374151ad7cbf5164d124b31f1469c11fb09f7ea899f596b5df5ff69b5f22f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:09:32,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:09:32,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:09:32,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:09:32,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:09:32,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:09:32,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:09:32,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:09:32,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:09:32,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:09:32,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:09:32,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:09:32,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:09:32,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:09:32,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:09:32,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:09:32,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:09:32,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:09:32,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:09:32,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:09:32,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:09:32,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:09:32,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:09:32,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:09:32,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:09:32,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:09:32,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:09:32,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:09:32,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:09:32,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:09:32,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:09:32,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:09:32,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:09:32,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:09:32,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:09:32,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:09:32,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:09:32,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:09:32,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:09:32,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:09:32,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:09:32,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:09:32,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:09:32,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:09:32,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:09:32,861 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:09:32,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:09:32,862 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:09:32,862 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:09:32,862 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:09:32,863 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:09:32,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:09:32,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:09:32,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:09:32,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:09:32,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:09:32,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:09:32,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:09:32,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:09:32,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:09:32,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:09:32,868 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:09:32,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:09:32,869 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:09:32,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:09:32,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:09:32,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:09:32,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:09:32,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:32,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:09:32,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:09:32,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:09:32,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:09:32,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:09:32,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:09:32,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:09:32,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:09:32,873 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_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc374151ad7cbf5164d124b31f1469c11fb09f7ea899f596b5df5ff69b5f22f3 [2021-11-07 01:09:33,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:09:33,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:09:33,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:09:33,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:09:33,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:09:33,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/eca-rers2018/Problem12.c [2021-11-07 01:09:33,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/4b449b1e4/9300b8a5b84c4a9a87920e533ea53d34/FLAGcb84bc2b3 [2021-11-07 01:09:34,804 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:09:34,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c [2021-11-07 01:09:34,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/4b449b1e4/9300b8a5b84c4a9a87920e533ea53d34/FLAGcb84bc2b3 [2021-11-07 01:09:34,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/data/4b449b1e4/9300b8a5b84c4a9a87920e533ea53d34 [2021-11-07 01:09:34,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:09:34,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:09:34,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:34,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:09:34,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:09:34,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:34" (1/1) ... [2021-11-07 01:09:34,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d04346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:34, skipping insertion in model container [2021-11-07 01:09:34,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:34" (1/1) ... [2021-11-07 01:09:34,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:09:35,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:09:35,606 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[778,791] [2021-11-07 01:09:35,632 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[817,830] [2021-11-07 01:09:39,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:39,799 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:09:39,815 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[778,791] [2021-11-07 01:09:39,816 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_c3bf39a7-9213-4f0d-9664-341d89587a45/sv-benchmarks/c/eca-rers2018/Problem12.c[817,830] [2021-11-07 01:09:40,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:09:41,102 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:09:41,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41 WrapperNode [2021-11-07 01:09:41,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:41,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:09:41,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:09:41,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:09:41,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:41,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:42,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:09:42,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:09:42,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:09:42,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:09:42,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:42,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:42,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:42,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:43,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:43,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:43,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:43,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:09:43,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:09:43,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:09:43,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:09:43,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:41" (1/1) ... [2021-11-07 01:09:43,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:43,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:43,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:09:43,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3bf39a7-9213-4f0d-9664-341d89587a45/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:09:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:09:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:09:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:09:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:09:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:09:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start