./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V --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 d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:16:17,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:16:17,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:16:17,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:16:17,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:16:17,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:16:17,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:16:17,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:16:17,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:16:17,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:16:17,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:16:17,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:16:17,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:16:17,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:16:17,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:16:17,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:16:17,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:16:17,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:16:17,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:16:17,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:16:17,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:16:17,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:16:17,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:16:17,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:16:17,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:16:17,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:16:17,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:16:17,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:16:17,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:16:17,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:16:17,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:16:17,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:16:17,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:16:17,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:16:17,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:16:17,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:16:17,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:16:17,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:16:17,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:16:17,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:16:17,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:16:17,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:16:17,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:16:17,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:16:17,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:16:17,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:16:17,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:16:17,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:16:17,531 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:16:17,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:16:17,532 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:16:17,532 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:16:17,533 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:16:17,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:16:17,534 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:16:17,534 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:16:17,534 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:16:17,535 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:16:17,535 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:16:17,535 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:16:17,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:16:17,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:16:17,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:16:17,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:16:17,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:16:17,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:16:17,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:16:17,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:16:17,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:16:17,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:16:17,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:16:17,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:16:17,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:16:17,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:16:17,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:16:17,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:16:17,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:16:17,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:16:17,544 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:16:17,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:16:17,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:16:17,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:16:17,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:16:17,546 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_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d [2021-11-23 02:16:17,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:16:17,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:16:17,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:16:17,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:16:17,948 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:16:17,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 02:16:18,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/data/e8b944c8d/48c9c63a670745dc804a106bff8073e9/FLAGe678759f5 [2021-11-23 02:16:19,153 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:16:19,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 02:16:19,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/data/e8b944c8d/48c9c63a670745dc804a106bff8073e9/FLAGe678759f5 [2021-11-23 02:16:19,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/data/e8b944c8d/48c9c63a670745dc804a106bff8073e9 [2021-11-23 02:16:19,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:16:19,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:16:19,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:19,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:16:19,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:16:19,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:19" (1/1) ... [2021-11-23 02:16:19,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217490c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:19, skipping insertion in model container [2021-11-23 02:16:19,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:19" (1/1) ... [2021-11-23 02:16:19,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:16:19,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:16:20,093 WARN L230 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_f652dc14-c270-4a31-ab8e-d9200b487bda/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 02:16:22,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:16:22,111 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:16:22,136 WARN L230 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_f652dc14-c270-4a31-ab8e-d9200b487bda/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 02:16:23,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:16:23,569 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:16:23,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23 WrapperNode [2021-11-23 02:16:23,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:16:23,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:16:23,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:16:23,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:16:23,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:23,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:24,771 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 02:16:24,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:16:24,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:16:24,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:16:24,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:16:24,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:24,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:25,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:16:25,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:16:25,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:16:26,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:16:26,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:23" (1/1) ... [2021-11-23 02:16:26,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:16:26,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:16:26,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:16:26,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f652dc14-c270-4a31-ab8e-d9200b487bda/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:16:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:16:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:16:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:16:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:16:26,310 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:16:26,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:16:36,451 INFO L277 CfgBuilder]: Performing block encoding