./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label32.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_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/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_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/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_a7e14d72-5574-473b-b2de-f9a3e9a62030/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 945da3531442ca75d7daec1419723c023475934380c17b86b02d54eed69aad3f --- 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 20:27:16,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:27:16,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:27:16,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:27:16,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:27:16,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:27:16,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:27:16,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:27:16,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:27:16,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:27:16,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:27:16,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:27:16,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:27:16,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:27:16,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:27:16,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:27:16,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:27:16,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:27:16,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:27:16,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:27:16,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:27:16,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:27:16,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:27:16,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:27:16,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:27:16,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:27:16,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:27:16,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:27:16,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:27:16,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:27:16,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:27:16,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:27:16,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:27:16,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:27:16,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:27:16,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:27:16,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:27:16,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:27:16,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:27:16,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:27:16,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:27:16,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:27:16,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:27:16,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:27:16,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:27:16,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:27:16,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:27:16,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:27:16,325 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:27:16,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:27:16,326 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:27:16,326 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:27:16,326 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:27:16,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:27:16,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:27:16,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:27:16,327 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:27:16,327 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:27:16,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:27:16,328 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:27:16,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:27:16,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:27:16,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:27:16,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:27:16,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:27:16,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:27:16,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:27:16,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:27:16,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:27:16,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:27:16,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:27:16,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:27:16,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:27:16,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:27:16,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:27:16,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:27:16,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:27:16,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:27:16,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:27:16,333 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:27:16,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:27:16,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:27:16,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:27:16,334 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_a7e14d72-5574-473b-b2de-f9a3e9a62030/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 945da3531442ca75d7daec1419723c023475934380c17b86b02d54eed69aad3f [2022-11-20 20:27:16,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:27:16,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:27:16,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:27:16,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:27:16,677 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:27:16,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/eca-rers2012/Problem19_label32.c [2022-11-20 20:27:19,781 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:27:20,499 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:27:20,499 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/sv-benchmarks/c/eca-rers2012/Problem19_label32.c [2022-11-20 20:27:20,568 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/data/f44834aba/f8669a29e5b045bbb541b375302eb1ee/FLAGe455344b8 [2022-11-20 20:27:20,588 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/data/f44834aba/f8669a29e5b045bbb541b375302eb1ee [2022-11-20 20:27:20,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:27:20,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:27:20,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:27:20,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:27:20,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:27:20,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:20" (1/1) ... [2022-11-20 20:27:20,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd95b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:20, skipping insertion in model container [2022-11-20 20:27:20,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:27:20" (1/1) ... [2022-11-20 20:27:20,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:27:20,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:27:21,196 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_a7e14d72-5574-473b-b2de-f9a3e9a62030/sv-benchmarks/c/eca-rers2012/Problem19_label32.c[2877,2890] [2022-11-20 20:27:22,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:27:22,902 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:27:22,935 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_a7e14d72-5574-473b-b2de-f9a3e9a62030/sv-benchmarks/c/eca-rers2012/Problem19_label32.c[2877,2890] [2022-11-20 20:27:24,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:27:24,281 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:27:24,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24 WrapperNode [2022-11-20 20:27:24,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:27:24,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:27:24,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:27:24,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:27:24,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:24,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:25,655 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2022-11-20 20:27:25,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:27:25,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:27:25,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:27:25,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:27:25,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:25,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:25,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:25,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:26,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:26,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:26,716 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:26,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:27,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:27:27,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:27:27,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:27:27,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:27:27,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:27:24" (1/1) ... [2022-11-20 20:27:27,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:27:27,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:27:27,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:27:27,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7e14d72-5574-473b-b2de-f9a3e9a62030/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:27:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:27:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:27:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:27:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:27:27,548 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:27:27,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:27:38,585 INFO L276 CfgBuilder]: Performing block encoding