./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW --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 ae22f3f06aabed24b98a90f87729aaa6479f5932deb24c738c216ff13229105f --- 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-4e7fbc6 [2022-11-23 14:40:55,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:40:55,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:40:55,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:40:55,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:40:55,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:40:55,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:40:55,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:40:55,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:40:55,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:40:55,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:40:55,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:40:55,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:40:55,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:40:55,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:40:55,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:40:55,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:40:55,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:40:55,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:40:55,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:40:55,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:40:55,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:40:55,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:40:55,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:40:55,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:40:55,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:40:55,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:40:55,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:40:55,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:40:55,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:40:55,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:40:55,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:40:55,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:40:55,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:40:55,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:40:55,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:40:55,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:40:55,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:40:55,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:40:55,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:40:55,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:40:55,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:40:55,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:40:55,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:40:55,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:40:55,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:40:55,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:40:55,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:40:55,398 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:40:55,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:40:55,398 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:40:55,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:40:55,400 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:40:55,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:40:55,401 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:40:55,401 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:40:55,401 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:40:55,402 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:40:55,402 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:40:55,402 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:40:55,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:40:55,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:40:55,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:40:55,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:40:55,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:40:55,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:40:55,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:40:55,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:40:55,406 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:40:55,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:40:55,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:40:55,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:40:55,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:40:55,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:40:55,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:40:55,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:40:55,408 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:40:55,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:40:55,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:40:55,409 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:40:55,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:40:55,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:40:55,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:40:55,410 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_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae22f3f06aabed24b98a90f87729aaa6479f5932deb24c738c216ff13229105f [2022-11-23 14:40:55,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:40:55,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:40:55,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:40:55,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:40:55,781 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:40:55,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/eca-rers2012/Problem17_label17.c [2022-11-23 14:40:59,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:40:59,732 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:40:59,732 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/sv-benchmarks/c/eca-rers2012/Problem17_label17.c [2022-11-23 14:40:59,758 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/data/4f6c1794d/789258b7933c4d73b524fb80668dc34b/FLAGff367c076 [2022-11-23 14:40:59,780 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/data/4f6c1794d/789258b7933c4d73b524fb80668dc34b [2022-11-23 14:40:59,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:40:59,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:40:59,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:40:59,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:40:59,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:40:59,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:59" (1/1) ... [2022-11-23 14:40:59,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8545be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:59, skipping insertion in model container [2022-11-23 14:40:59,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:59" (1/1) ... [2022-11-23 14:40:59,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:40:59,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:41:00,196 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_0914a101-afc6-477c-a0b8-34517b6fcbca/sv-benchmarks/c/eca-rers2012/Problem17_label17.c[5781,5794] [2022-11-23 14:41:01,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:41:01,242 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:41:01,267 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_0914a101-afc6-477c-a0b8-34517b6fcbca/sv-benchmarks/c/eca-rers2012/Problem17_label17.c[5781,5794] [2022-11-23 14:41:01,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:41:01,702 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:41:01,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01 WrapperNode [2022-11-23 14:41:01,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:41:01,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:41:01,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:41:01,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:41:01,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:01,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,139 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2022-11-23 14:41:02,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:41:02,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:41:02,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:41:02,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:41:02,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:41:02,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:41:02,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:41:02,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:41:02,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:41:01" (1/1) ... [2022-11-23 14:41:02,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:41:02,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:41:02,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:41:02,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0914a101-afc6-477c-a0b8-34517b6fcbca/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:41:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:41:02,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:41:02,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:41:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:41:02,772 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:41:02,775 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:41:07,561 INFO L276 CfgBuilder]: Performing block encoding