./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label15.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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/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 107b7c5de5ddf0a14cc0ee7b6d8e15d757859936bf66042a09e64a779f06becb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:56:21,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:56:21,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:56:21,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:56:21,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:56:21,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:56:21,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:56:21,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:56:21,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:56:21,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:56:21,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:56:21,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:56:21,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:56:21,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:56:21,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:56:21,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:56:21,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:56:21,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:56:21,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:56:21,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:56:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:56:21,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:56:21,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:56:21,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:56:21,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:56:21,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:56:21,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:56:21,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:56:21,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:56:21,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:56:21,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:56:21,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:56:21,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:56:21,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:56:21,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:56:21,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:56:21,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:56:21,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:56:21,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:56:21,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:56:21,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:56:21,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:56:21,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:56:21,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:56:21,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:56:21,582 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:56:21,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:56:21,583 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:56:21,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:56:21,583 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:56:21,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:56:21,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:56:21,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:56:21,585 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:56:21,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:56:21,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:56:21,586 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:56:21,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:56:21,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:56:21,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:56:21,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:56:21,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:56:21,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:56:21,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:56:21,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:56:21,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:56:21,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:56:21,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:56:21,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:56:21,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:56:21,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:56:21,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:56:21,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:56:21,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:56:21,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:56:21,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:56:21,605 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:56:21,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:56:21,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:56:21,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:56:21,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:56:21,606 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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 107b7c5de5ddf0a14cc0ee7b6d8e15d757859936bf66042a09e64a779f06becb [2021-11-07 00:56:21,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:56:21,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:56:21,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:56:21,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:56:21,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:56:21,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/eca-programs/Problem102_label15.c [2021-11-07 00:56:22,042 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/data/e9385ebd9/cb7dac7e7ca8448bace2f5f02472eb69/FLAG97e9af9f2 [2021-11-07 00:56:26,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:56:26,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/sv-benchmarks/c/eca-programs/Problem102_label15.c [2021-11-07 00:56:27,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/data/e9385ebd9/cb7dac7e7ca8448bace2f5f02472eb69/FLAG97e9af9f2 [2021-11-07 00:56:27,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/data/e9385ebd9/cb7dac7e7ca8448bace2f5f02472eb69 [2021-11-07 00:56:27,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:56:27,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:56:27,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:56:27,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:56:27,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:56:27,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:27" (1/1) ... [2021-11-07 00:56:27,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749a818f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:27, skipping insertion in model container [2021-11-07 00:56:27,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:27" (1/1) ... [2021-11-07 00:56:27,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:56:29,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:56:58,918 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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/sv-benchmarks/c/eca-programs/Problem102_label15.c[5707840,5707853] [2021-11-07 00:56:59,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:56:59,102 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:57:14,830 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_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/sv-benchmarks/c/eca-programs/Problem102_label15.c[5707840,5707853] [2021-11-07 00:57:14,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:57:20,332 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:57:20,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20 WrapperNode [2021-11-07 00:57:20,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:57:20,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:20,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:57:20,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:57:20,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:22,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:27,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:57:27,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:57:27,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:57:27,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:57:28,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:28,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:29,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:29,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:31,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:32,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:32,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:33,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:57:33,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:57:33,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:57:33,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:57:33,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:57:20" (1/1) ... [2021-11-07 00:57:33,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:57:33,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:57:33,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:57:33,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69a6f9e4-a0e4-4d33-a165-4c2b38146bfb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:57:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:57:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start