./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.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_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/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_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/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_5381135c-4bdd-445d-ac56-207f97bab2f8/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 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:16:40,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:16:40,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:16:40,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:16:40,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:16:40,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:16:40,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:16:40,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:16:40,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:16:40,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:16:40,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:16:40,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:16:40,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:16:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:16:40,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:16:40,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:16:40,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:16:40,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:16:40,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:16:40,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:16:40,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:16:40,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:16:40,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:16:40,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:16:40,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:16:40,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:16:40,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:16:40,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:16:40,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:16:40,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:16:40,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:16:40,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:16:40,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:16:40,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:16:40,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:16:40,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:16:40,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:16:40,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:16:40,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:16:40,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:16:40,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:16:40,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:16:41,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:16:41,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:16:41,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:16:41,021 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:16:41,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:16:41,022 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:16:41,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:16:41,022 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:16:41,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:16:41,023 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:16:41,023 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:16:41,023 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:16:41,023 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:16:41,024 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:16:41,024 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:16:41,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:16:41,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:16:41,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:16:41,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:16:41,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:16:41,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:16:41,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:16:41,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:16:41,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:16:41,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:16:41,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:16:41,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:16:41,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:16:41,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:16:41,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:16:41,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:41,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:16:41,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:16:41,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:16:41,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:16:41,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:16:41,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:16:41,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:16:41,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:16:41,029 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_5381135c-4bdd-445d-ac56-207f97bab2f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2021-11-07 01:16:41,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:16:41,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:16:41,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:16:41,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:16:41,322 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:16:41,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-11-07 01:16:41,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/data/0135fb0bf/17fe0af620ef4b4ca35e4471b9752cdb/FLAG4a9dddd41 [2021-11-07 01:16:42,205 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:16:42,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-11-07 01:16:42,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/data/0135fb0bf/17fe0af620ef4b4ca35e4471b9752cdb/FLAG4a9dddd41 [2021-11-07 01:16:42,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/data/0135fb0bf/17fe0af620ef4b4ca35e4471b9752cdb [2021-11-07 01:16:42,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:16:42,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:16:42,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:42,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:16:42,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:16:42,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:42" (1/1) ... [2021-11-07 01:16:42,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa07b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:42, skipping insertion in model container [2021-11-07 01:16:42,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:42" (1/1) ... [2021-11-07 01:16:42,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:16:42,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:43,142 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_5381135c-4bdd-445d-ac56-207f97bab2f8/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-11-07 01:16:44,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:44,094 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:16:44,133 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_5381135c-4bdd-445d-ac56-207f97bab2f8/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2021-11-07 01:16:44,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:44,686 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:16:44,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44 WrapperNode [2021-11-07 01:16:44,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:44,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:16:44,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:16:44,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:16:44,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:16:44,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:16:54,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:16:54,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:16:54,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:16:54,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:16:54,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:16:54,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:16:56,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:16:56,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:17:00,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:17:04,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:17:04,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:17:06,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:17:06,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:17:06,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:17:06,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:17:06,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:44" (1/1) ... [2021-11-07 01:17:06,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:06,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:17:06,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:17:06,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5381135c-4bdd-445d-ac56-207f97bab2f8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:17:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:17:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:17:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:17:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:17:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:17:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start