./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label19.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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/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 a964c9c76c4af918501d56362d39292d13dbbfa4832d6b5721a3773b73fa584b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:30:55,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:30:55,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:30:55,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:30:55,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:30:55,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:30:55,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:30:55,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:30:55,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:30:55,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:30:55,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:30:55,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:30:55,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:30:55,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:30:55,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:30:55,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:30:55,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:30:55,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:30:55,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:30:55,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:30:55,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:30:55,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:30:55,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:30:55,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:30:55,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:30:55,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:30:55,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:30:55,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:30:55,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:30:55,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:30:55,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:30:55,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:30:55,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:30:55,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:30:55,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:30:55,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:30:55,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:30:55,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:30:55,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:30:55,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:30:55,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:30:55,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:30:55,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:30:55,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:30:55,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:30:55,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:30:55,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:30:55,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:30:55,934 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:30:55,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:30:55,935 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:30:55,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:30:55,936 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:30:55,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:30:55,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:30:55,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:30:55,937 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:30:55,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:30:55,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:30:55,938 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:30:55,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:30:55,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:30:55,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:30:55,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:30:55,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:30:55,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:30:55,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:30:55,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:30:55,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:30:55,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:30:55,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:30:55,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:30:55,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:30:55,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:30:55,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:30:55,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:30:55,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:30:55,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:30:55,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:30:55,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:30:55,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:30:55,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:30:55,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:30:55,946 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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a964c9c76c4af918501d56362d39292d13dbbfa4832d6b5721a3773b73fa584b [2021-11-23 03:30:56,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:30:56,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:30:56,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:30:56,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:30:56,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:30:56,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/eca-rers2012/Problem13_label19.c [2021-11-23 03:30:56,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/data/ae3e72954/a2b0ec153f09428eaf129aa6c967350e/FLAG395f73ba1 [2021-11-23 03:30:57,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:30:57,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/sv-benchmarks/c/eca-rers2012/Problem13_label19.c [2021-11-23 03:30:57,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/data/ae3e72954/a2b0ec153f09428eaf129aa6c967350e/FLAG395f73ba1 [2021-11-23 03:30:57,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/data/ae3e72954/a2b0ec153f09428eaf129aa6c967350e [2021-11-23 03:30:57,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:30:57,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:30:57,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:30:57,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:30:57,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:30:57,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:57" (1/1) ... [2021-11-23 03:30:57,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff99e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:57, skipping insertion in model container [2021-11-23 03:30:57,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:57" (1/1) ... [2021-11-23 03:30:57,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:30:57,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:30:58,241 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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/sv-benchmarks/c/eca-rers2012/Problem13_label19.c[2731,2744] [2021-11-23 03:30:59,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:30:59,534 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:30:59,549 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_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/sv-benchmarks/c/eca-rers2012/Problem13_label19.c[2731,2744] [2021-11-23 03:31:00,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:31:00,405 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:31:00,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00 WrapperNode [2021-11-23 03:31:00,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:31:00,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:00,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:31:00,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:31:00,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:00,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,130 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 03:31:01,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:01,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:31:01,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:31:01,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:31:01,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:31:01,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:31:01,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:31:01,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:31:01,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:00" (1/1) ... [2021-11-23 03:31:01,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:31:01,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:02,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:31:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf7e547-66c0-4277-96e4-a79f09d1a7c7/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:31:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:31:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:31:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:31:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:31:02,136 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:31:02,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:31:07,688 INFO L277 CfgBuilder]: Performing block encoding