./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9 --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 4f1d9fbdc0b2dd8091ec12a1cdc3775555b6882ed6980cbb994f2df08407fcc3 --- 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-6b4ec56 [2022-11-20 19:59:06,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:59:06,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:59:06,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:59:06,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:59:06,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:59:06,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:59:06,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:59:06,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:59:06,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:59:06,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:59:06,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:59:06,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:59:06,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:59:06,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:59:06,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:59:06,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:59:06,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:59:06,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:59:06,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:59:06,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:59:06,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:59:06,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:59:06,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:59:06,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:59:06,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:59:06,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:59:06,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:59:06,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:59:06,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:59:06,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:59:06,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:59:06,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:59:06,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:59:06,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:59:06,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:59:06,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:59:06,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:59:06,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:59:06,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:59:06,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:59:06,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:59:06,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:59:06,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:59:06,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:59:06,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:59:06,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:59:06,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:59:06,709 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:59:06,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:59:06,710 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:59:06,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:59:06,711 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:59:06,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:59:06,712 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:59:06,712 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:59:06,712 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:59:06,713 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:59:06,713 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:59:06,713 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:59:06,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:59:06,714 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:59:06,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:59:06,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:59:06,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:59:06,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:59:06,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:59:06,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:59:06,716 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:59:06,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:59:06,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:59:06,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:59:06,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:59:06,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:59:06,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:59:06,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:59:06,719 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:59:06,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:59:06,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:59:06,720 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:59:06,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:59:06,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:59:06,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:59:06,721 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_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f1d9fbdc0b2dd8091ec12a1cdc3775555b6882ed6980cbb994f2df08407fcc3 [2022-11-20 19:59:07,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:59:07,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:59:07,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:59:07,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:59:07,204 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:59:07,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/eca-rers2012/Problem08_label49.c [2022-11-20 19:59:10,920 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:59:15,520 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:59:15,521 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/sv-benchmarks/c/eca-rers2012/Problem08_label49.c [2022-11-20 19:59:15,861 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/data/bd094cdb9/f59d14c913dc4a45b67da7c709c02713/FLAG7df6e1159 [2022-11-20 19:59:15,877 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/data/bd094cdb9/f59d14c913dc4a45b67da7c709c02713 [2022-11-20 19:59:15,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:59:15,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:59:15,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:59:15,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:59:15,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:59:15,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:15" (1/1) ... [2022-11-20 19:59:15,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308867d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:59:15, skipping insertion in model container [2022-11-20 19:59:15,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:59:15" (1/1) ... [2022-11-20 19:59:15,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:59:18,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:59:50,021 WARN L237 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_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/sv-benchmarks/c/eca-rers2012/Problem08_label49.c[5707988,5708001] [2022-11-20 19:59:50,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:59:50,183 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:00:05,965 WARN L237 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_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/sv-benchmarks/c/eca-rers2012/Problem08_label49.c[5707988,5708001] [2022-11-20 20:00:05,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:00:14,077 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:00:14,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14 WrapperNode [2022-11-20 20:00:14,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:00:14,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:00:14,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:00:14,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:00:14,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:15,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:22,637 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2022-11-20 20:00:22,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:00:22,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:00:22,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:00:22,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:00:22,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:22,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:24,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:24,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:26,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:27,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:27,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:27,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:29,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:00:29,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:00:29,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:00:29,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:00:29,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:00:14" (1/1) ... [2022-11-20 20:00:29,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:00:29,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:00:29,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:00:29,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf7adc6-6c9e-4b25-afed-ccbd4b2b8679/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:00:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:00:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:00:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:00:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:00:29,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:00:29,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:02:02,517 INFO L276 CfgBuilder]: Performing block encoding