./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.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_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/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_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/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_089715ca-ece9-486f-a0e3-1db553a332c8/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 005705b1da51bc5c16f62aa9e51c484b27fb572d44a8021dffef3988722dd451 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:17:46,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:17:46,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:17:46,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:17:46,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:17:46,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:17:46,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:17:46,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:17:46,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:17:46,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:17:46,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:17:46,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:17:46,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:17:46,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:17:46,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:17:46,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:17:46,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:17:46,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:17:46,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:17:46,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:17:46,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:17:46,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:17:46,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:17:46,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:17:46,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:17:46,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:17:46,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:17:46,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:17:46,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:17:46,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:17:46,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:17:46,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:17:46,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:17:46,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:17:46,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:17:46,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:17:46,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:17:46,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:17:46,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:17:46,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:17:46,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:17:46,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:17:46,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:17:46,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:17:46,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:17:46,980 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:17:46,980 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:17:46,980 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:17:46,981 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:17:46,981 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:17:46,988 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:17:46,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:17:46,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:17:46,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:17:46,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:17:46,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:17:46,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:17:46,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:17:46,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:17:46,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:17:46,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:17:46,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:17:46,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:17:46,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:17:46,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:17:46,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:17:46,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:17:46,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:17:46,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:17:46,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:17:46,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:17:46,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:17:46,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:47,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:17:47,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:17:47,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:17:47,002 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:17:47,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:17:47,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:17:47,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:17:47,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:17:47,003 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_089715ca-ece9-486f-a0e3-1db553a332c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005705b1da51bc5c16f62aa9e51c484b27fb572d44a8021dffef3988722dd451 [2021-11-07 01:17:47,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:17:47,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:17:47,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:17:47,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:17:47,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:17:47,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c [2021-11-07 01:17:47,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/data/f07950719/66dbfe017a9145549741d69009dc2a79/FLAG3536b73ee [2021-11-07 01:17:48,562 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:17:48,563 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c [2021-11-07 01:17:48,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/data/f07950719/66dbfe017a9145549741d69009dc2a79/FLAG3536b73ee [2021-11-07 01:17:48,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/data/f07950719/66dbfe017a9145549741d69009dc2a79 [2021-11-07 01:17:48,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:17:48,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:17:48,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:48,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:17:48,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:17:48,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:48" (1/1) ... [2021-11-07 01:17:48,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e123d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:48, skipping insertion in model container [2021-11-07 01:17:48,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:17:48" (1/1) ... [2021-11-07 01:17:48,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:17:49,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:17:49,492 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_089715ca-ece9-486f-a0e3-1db553a332c8/sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c[6412,6425] [2021-11-07 01:17:49,544 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_089715ca-ece9-486f-a0e3-1db553a332c8/sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c[8506,8519] [2021-11-07 01:17:50,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:50,895 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:17:50,970 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_089715ca-ece9-486f-a0e3-1db553a332c8/sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c[6412,6425] [2021-11-07 01:17:50,976 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_089715ca-ece9-486f-a0e3-1db553a332c8/sv-benchmarks/c/combinations/pals_lcr.3.ufo.BOUNDED-6.pals+Problem12_label03.c[8506,8519] [2021-11-07 01:17:51,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:17:51,867 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:17:51,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51 WrapperNode [2021-11-07 01:17:51,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:17:51,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:17:51,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:17:51,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:17:51,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:51,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:17:52,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:17:52,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:17:52,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:17:52,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:17:52,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:17:52,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:17:52,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:17:52,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:17:51" (1/1) ... [2021-11-07 01:17:52,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:17:52,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:17:53,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:17:53,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_089715ca-ece9-486f-a0e3-1db553a332c8/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:17:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:17:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:17:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:17:53,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start