./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label47.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label47.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS --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 4712287e4b6d99292e87ea539be10b31eedcaf4509e5259dee2d371f96b08c72 --- 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-8393723 [2022-11-19 08:00:55,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:55,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:55,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:55,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:55,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:55,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:55,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:55,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:55,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:55,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:55,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:55,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:55,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:55,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:55,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:55,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:55,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:55,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:55,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:55,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:55,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:55,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:55,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:55,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:55,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:55,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:55,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:55,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:55,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:55,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:55,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:55,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:55,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:55,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:55,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:55,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:55,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:55,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:55,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:55,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:55,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:00:55,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:55,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:55,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:55,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:55,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:55,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:55,519 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:55,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:55,520 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:55,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:55,521 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:55,521 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:55,521 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:55,522 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:55,522 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:55,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:55,522 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:55,522 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:55,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:55,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:00:55,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:55,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:00:55,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:55,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:55,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:55,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:55,526 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:00:55,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:55,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:55,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:55,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:55,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:55,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:55,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:55,528 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:55,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:55,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:55,529 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:55,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:55,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:55,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:55,530 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_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4712287e4b6d99292e87ea539be10b31eedcaf4509e5259dee2d371f96b08c72 [2022-11-19 08:00:55,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:55,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:55,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:55,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:55,871 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:55,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/eca-rers2012/Problem09_label47.c [2022-11-19 08:00:55,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/data/ebfbb699e/673691357e984c269b3d0159b0ffadaa/FLAG476b867d3 [2022-11-19 08:00:59,869 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:59,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/sv-benchmarks/c/eca-rers2012/Problem09_label47.c [2022-11-19 08:01:00,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/data/ebfbb699e/673691357e984c269b3d0159b0ffadaa/FLAG476b867d3 [2022-11-19 08:01:00,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/data/ebfbb699e/673691357e984c269b3d0159b0ffadaa [2022-11-19 08:01:00,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:01:00,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:01:00,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:00,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:01:00,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:01:00,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:00" (1/1) ... [2022-11-19 08:01:00,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c35c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:00, skipping insertion in model container [2022-11-19 08:01:00,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:00" (1/1) ... [2022-11-19 08:01:00,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:01:02,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:01:28,668 WARN L234 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_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/sv-benchmarks/c/eca-rers2012/Problem09_label47.c[6304056,6304069] [2022-11-19 08:01:28,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:28,801 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:01:43,309 WARN L234 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_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/sv-benchmarks/c/eca-rers2012/Problem09_label47.c[6304056,6304069] [2022-11-19 08:01:43,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:48,375 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:01:48,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48 WrapperNode [2022-11-19 08:01:48,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:48,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:48,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:01:48,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:01:48,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:49,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:55,220 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2022-11-19 08:01:55,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:55,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:01:55,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:01:55,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:01:55,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:55,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:56,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:56,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:59,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:01:59,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:02:00,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:02:00,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:02:01,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:02:01,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:02:01,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:02:01,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:02:01,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:48" (1/1) ... [2022-11-19 08:02:01,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:02:01,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:01,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:02:01,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16c3a6f-1d2c-4d95-af12-d8dad7fed2d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:02:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:02:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:02:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:02:01,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:02:01,522 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:02:01,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:03:41,249 INFO L276 CfgBuilder]: Performing block encoding