./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/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 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:21,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:21,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:21,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:21,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:21,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:21,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:21,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:21,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:21,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:21,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:21,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:21,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:21,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:21,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:21,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:21,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:21,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:21,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:21,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:21,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:21,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:21,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:21,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:21,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:21,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:21,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:21,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:21,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:21,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:21,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:21,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:21,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:21,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:21,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:21,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:21,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:21,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:21,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:21,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:21,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:21,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:19:21,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:21,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:21,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:21,696 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:21,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:21,697 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:21,697 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:21,697 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:21,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:21,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:21,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:21,708 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:21,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:21,709 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:21,709 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:21,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:21,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:21,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:21,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:21,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:21,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:21,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:21,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:21,712 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:21,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:21,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:21,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:21,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:21,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:21,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:21,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:21,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:21,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:21,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:21,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:21,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:21,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:21,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:21,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:21,718 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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 564efe4dc14fe185d57e5aeec9a3ab580efe33ed3c6c6b76402e1a3f93fbdd78 [2021-11-07 02:19:22,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:22,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:22,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:22,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:22,077 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:22,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c [2021-11-07 02:19:22,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/data/d72e8e707/fbcd9fa0f3804c85bb95603f89ad4f7f/FLAG7cd60c1a7 [2021-11-07 02:19:22,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:22,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c [2021-11-07 02:19:23,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/data/d72e8e707/fbcd9fa0f3804c85bb95603f89ad4f7f/FLAG7cd60c1a7 [2021-11-07 02:19:23,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/data/d72e8e707/fbcd9fa0f3804c85bb95603f89ad4f7f [2021-11-07 02:19:23,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:23,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:23,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:23,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:23,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:23,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:23" (1/1) ... [2021-11-07 02:19:23,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71695ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:23, skipping insertion in model container [2021-11-07 02:19:23,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:23" (1/1) ... [2021-11-07 02:19:23,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:23,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:23,558 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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2021-11-07 02:19:24,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:24,051 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:24,064 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_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/sv-benchmarks/c/seq-mthreaded/rekh_nxt.2.M4-2.c[1765,1778] [2021-11-07 02:19:24,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:24,434 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:24,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24 WrapperNode [2021-11-07 02:19:24,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:24,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:24,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:24,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:24,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:19:24,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:21:57,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:21:57,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:21:57,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:21:57,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:21:57,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:21:57,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:00,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:00,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:05,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:07,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:08,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:09,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:22:09,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:22:09,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:22:09,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:22:09,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:24" (1/1) ... [2021-11-07 02:22:09,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:22:09,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:22:09,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:22:09,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0c82c7-06da-40fa-9c78-26a6ce3ad109/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:22:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:22:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:22:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:22:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:22:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:22:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:22:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start