./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba --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 64bit --witnessprinter.graph.data.programhash 13f8022297753dbc4f2caa6965df4a44bfd31093e84389d58aa4c1e3783bcc9e --- 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-b5237d8 [2022-11-22 00:09:51,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:09:51,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:09:51,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:09:51,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:09:51,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:09:51,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:09:51,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:09:51,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:09:51,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:09:51,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:09:51,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:09:51,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:09:51,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:09:51,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:09:51,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:09:51,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:09:51,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:09:51,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:09:51,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:09:51,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:09:51,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:09:51,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:09:51,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:09:51,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:09:51,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:09:51,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:09:51,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:09:51,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:09:51,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:09:51,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:09:51,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:09:51,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:09:51,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:09:51,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:09:51,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:09:51,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:09:51,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:09:51,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:09:51,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:09:51,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:09:51,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:09:51,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:09:51,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:09:51,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:09:51,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:09:51,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:09:51,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:09:51,771 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:09:51,771 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:09:51,772 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:09:51,772 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:09:51,773 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:09:51,773 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:09:51,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:09:51,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:09:51,774 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:09:51,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:09:51,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:09:51,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:09:51,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:09:51,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:09:51,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:09:51,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:09:51,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:09:51,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:09:51,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:09:51,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:09:51,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:09:51,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:09:51,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:09:51,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:51,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:09:51,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:09:51,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:09:51,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:09:51,781 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:09:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:09:51,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:09:51,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:09:51,782 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_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f8022297753dbc4f2caa6965df4a44bfd31093e84389d58aa4c1e3783bcc9e [2022-11-22 00:09:52,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:09:52,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:09:52,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:09:52,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:09:52,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:09:52,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2022-11-22 00:09:55,084 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:09:55,508 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:09:55,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c [2022-11-22 00:09:55,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/data/6fca0ed7e/753b1121a98b4aca8f1959ae90719fe3/FLAGbf0e09729 [2022-11-22 00:09:55,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/data/6fca0ed7e/753b1121a98b4aca8f1959ae90719fe3 [2022-11-22 00:09:55,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:09:55,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:09:55,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:55,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:09:55,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:09:55,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:55" (1/1) ... [2022-11-22 00:09:55,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3ac615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:55, skipping insertion in model container [2022-11-22 00:09:55,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:09:55" (1/1) ... [2022-11-22 00:09:55,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:09:55,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:09:55,861 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_768006e7-c2ac-4c60-b977-8efb46138a8b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1014,1027] [2022-11-22 00:09:56,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:56,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:09:56,371 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_768006e7-c2ac-4c60-b977-8efb46138a8b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-func-interl.c[1014,1027] [2022-11-22 00:09:56,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:09:56,575 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:09:56,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56 WrapperNode [2022-11-22 00:09:56,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:09:56,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:56,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:09:56,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:09:56,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,849 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2698 [2022-11-22 00:09:56,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:09:56,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:09:56,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:09:56,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:09:56,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:56,991 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:57,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:57,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:09:57,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:09:57,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:09:57,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:09:57,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:09:56" (1/1) ... [2022-11-22 00:09:57,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:57,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:09:57,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:09:57,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_768006e7-c2ac-4c60-b977-8efb46138a8b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:09:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:09:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:09:57,957 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:09:57,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation