./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI --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 92bd949b2561b2bcfc98679470a8de610373426cb6f389e16ec7ae492ca89a10 --- 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-5e519f3 [2022-11-03 02:00:54,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:00:54,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:00:54,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:00:54,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:00:54,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:00:54,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:00:54,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:00:54,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:00:54,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:00:54,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:00:54,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:00:54,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:00:54,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:00:54,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:00:54,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:00:54,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:00:54,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:00:54,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:00:54,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:00:54,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:00:54,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:00:54,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:00:54,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:00:55,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:00:55,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:00:55,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:00:55,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:00:55,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:00:55,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:00:55,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:00:55,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:00:55,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:00:55,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:00:55,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:00:55,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:00:55,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:00:55,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:00:55,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:00:55,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:00:55,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:00:55,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:00:55,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:00:55,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:00:55,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:00:55,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:00:55,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:00:55,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:00:55,067 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:00:55,068 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:00:55,068 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:00:55,068 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:00:55,069 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:00:55,070 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:00:55,070 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:00:55,070 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:00:55,070 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:00:55,071 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:00:55,071 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:00:55,071 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:00:55,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:00:55,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:00:55,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:00:55,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:00:55,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:00:55,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:00:55,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:00:55,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:00:55,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:00:55,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:00:55,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:00:55,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:00:55,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:00:55,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:00:55,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:00:55,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:00:55,076 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:00:55,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:00:55,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:00:55,077 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:00:55,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:00:55,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:00:55,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:00:55,079 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_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92bd949b2561b2bcfc98679470a8de610373426cb6f389e16ec7ae492ca89a10 [2022-11-03 02:00:55,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:00:55,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:00:55,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:00:55,473 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:00:55,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:00:55,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/eca-programs/Problem102_label51.c [2022-11-03 02:00:55,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/data/d4a7f0fbb/1526987605d144b29e4553f616c7c8a4/FLAG7a1e98b93 [2022-11-03 02:00:59,322 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:00:59,322 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/sv-benchmarks/c/eca-programs/Problem102_label51.c [2022-11-03 02:00:59,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/data/d4a7f0fbb/1526987605d144b29e4553f616c7c8a4/FLAG7a1e98b93 [2022-11-03 02:01:00,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/data/d4a7f0fbb/1526987605d144b29e4553f616c7c8a4 [2022-11-03 02:01:00,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:01:00,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:01:00,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:00,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:01:00,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:01:00,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:00" (1/1) ... [2022-11-03 02:01:00,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491f54aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:00, skipping insertion in model container [2022-11-03 02:01:00,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:01:00" (1/1) ... [2022-11-03 02:01:00,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:01:01,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:01:29,683 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_9d64d300-e34c-4645-b78c-0b5dff6732a5/sv-benchmarks/c/eca-programs/Problem102_label51.c[5708342,5708355] [2022-11-03 02:01:29,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:29,832 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:01:44,870 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_9d64d300-e34c-4645-b78c-0b5dff6732a5/sv-benchmarks/c/eca-programs/Problem102_label51.c[5708342,5708355] [2022-11-03 02:01:44,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:01:50,260 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:01:50,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50 WrapperNode [2022-11-03 02:01:50,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:01:50,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:50,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:01:50,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:01:50,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:01:51,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:01:56,878 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-11-03 02:01:56,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:01:56,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:01:56,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:01:56,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:01:56,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:01:56,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:01:57,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:01:57,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:00,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:01,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:01,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:02,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:02,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:02:02,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:02:02,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:02:02,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:02:02,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:01:50" (1/1) ... [2022-11-03 02:02:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:02:02,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:02:02,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:02:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d64d300-e34c-4645-b78c-0b5dff6732a5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:02:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:02:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:02:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:02:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:02:03,233 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:02:03,236 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:03:34,635 INFO L276 CfgBuilder]: Performing block encoding