./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:43:01,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:43:01,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:43:02,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:43:02,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:43:02,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:43:02,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:43:02,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:43:02,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:43:02,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:43:02,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:43:02,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:43:02,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:43:02,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:43:02,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:43:02,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:43:02,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:43:02,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:43:02,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:43:02,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:43:02,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:43:02,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:43:02,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:43:02,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:43:02,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:43:02,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:43:02,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:43:02,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:43:02,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:43:02,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:43:02,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:43:02,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:43:02,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:43:02,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:43:02,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:43:02,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:43:02,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:43:02,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:43:02,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:43:02,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:43:02,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:43:02,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:43:02,099 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:43:02,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:43:02,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:43:02,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:43:02,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:43:02,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:43:02,102 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:43:02,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:43:02,103 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:43:02,103 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:43:02,104 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:43:02,104 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:43:02,104 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:43:02,104 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:43:02,105 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:43:02,105 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:43:02,105 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:43:02,106 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:43:02,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:43:02,107 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:43:02,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:43:02,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:43:02,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:43:02,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:43:02,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:43:02,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:43:02,109 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:43:02,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:43:02,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:43:02,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:43:02,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:43:02,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:43:02,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:02,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:43:02,112 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:43:02,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:43:02,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:43:02,112 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:43:02,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:43:02,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:43:02,113 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:43:02,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a964c9c76c4af918501d56362d39292d13dbbfa4832d6b5721a3773b73fa584b [2022-10-17 17:43:02,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:43:02,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:43:02,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:43:02,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:43:02,451 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:43:02,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/eca-rers2012/Problem13_label19.c [2022-10-17 17:43:02,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/data/458257e25/76b31f6bb7a14253991085cfa98fe7e1/FLAG7c2a8a733 [2022-10-17 17:43:03,585 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:43:03,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/sv-benchmarks/c/eca-rers2012/Problem13_label19.c [2022-10-17 17:43:03,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/data/458257e25/76b31f6bb7a14253991085cfa98fe7e1/FLAG7c2a8a733 [2022-10-17 17:43:03,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/data/458257e25/76b31f6bb7a14253991085cfa98fe7e1 [2022-10-17 17:43:03,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:43:03,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:43:03,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:03,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:43:03,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:43:03,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:03" (1/1) ... [2022-10-17 17:43:03,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7892276b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:03, skipping insertion in model container [2022-10-17 17:43:03,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:03" (1/1) ... [2022-10-17 17:43:03,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:43:04,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:04,569 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_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/sv-benchmarks/c/eca-rers2012/Problem13_label19.c[2731,2744] [2022-10-17 17:43:06,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:06,250 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:43:06,290 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_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/sv-benchmarks/c/eca-rers2012/Problem13_label19.c[2731,2744] [2022-10-17 17:43:07,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:07,109 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:43:07,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07 WrapperNode [2022-10-17 17:43:07,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:07,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:07,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:43:07,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:43:07,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:07,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,032 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2022-10-17 17:43:08,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:08,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:43:08,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:43:08,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:43:08,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,609 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:43:08,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:43:08,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:43:08,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:43:08,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:08,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:43:08,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:43:08,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb2b34-ef72-4f9b-9ef9-1d637b00b427/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:43:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:43:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:43:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:43:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:43:08,943 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:43:08,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:43:16,048 INFO L276 CfgBuilder]: Performing block encoding