./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/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_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/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 64bit --witnessprinter.graph.data.programhash b85e46a4eaaf81e839d194fd5baa96f5efb3cc1ef8af0d5795902b0a3501178d --- 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 14:06:30,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:06:30,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:06:30,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:06:30,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:06:30,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:06:30,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:06:30,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:06:30,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:06:30,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:06:30,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:06:30,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:06:30,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:06:30,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:06:30,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:06:30,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:06:30,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:06:30,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:06:30,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:06:30,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:06:30,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:06:30,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:06:30,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:06:30,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:06:30,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:06:30,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:06:30,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:06:30,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:06:30,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:06:30,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:06:30,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:06:30,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:06:30,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:06:30,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:06:30,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:06:30,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:06:30,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:06:30,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:06:30,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:06:30,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:06:30,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:06:30,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:06:30,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:06:30,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:06:30,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:06:30,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:06:30,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:06:30,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:06:30,748 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:06:30,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:06:30,749 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:06:30,749 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:06:30,749 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:06:30,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:06:30,750 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:06:30,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:06:30,750 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:06:30,750 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:06:30,750 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:06:30,751 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:06:30,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:06:30,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:06:30,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:06:30,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:06:30,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:06:30,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:06:30,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:06:30,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:06:30,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:06:30,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:06:30,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:06:30,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:30,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:06:30,754 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:06:30,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:06:30,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:06:30,754 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:06:30,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:06:30,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:06:30,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:06:30,755 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_6339410f-7036-4d28-abf0-32300e8fafcb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85e46a4eaaf81e839d194fd5baa96f5efb3cc1ef8af0d5795902b0a3501178d [2022-11-23 14:06:31,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:06:31,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:06:31,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:06:31,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:06:31,032 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:06:31,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c [2022-11-23 14:06:34,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:06:34,740 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:06:34,741 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c [2022-11-23 14:06:34,825 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/data/65f175583/a5cc6362dd9b407599f89d094621124c/FLAG06ff15d5c [2022-11-23 14:06:34,847 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/data/65f175583/a5cc6362dd9b407599f89d094621124c [2022-11-23 14:06:34,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:06:34,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:06:34,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:34,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:06:34,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:06:34,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:34" (1/1) ... [2022-11-23 14:06:34,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230a3d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34, skipping insertion in model container [2022-11-23 14:06:34,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:34" (1/1) ... [2022-11-23 14:06:34,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:06:35,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:06:35,467 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_6339410f-7036-4d28-abf0-32300e8fafcb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c[1014,1027] [2022-11-23 14:06:36,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:36,919 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:06:36,932 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_6339410f-7036-4d28-abf0-32300e8fafcb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop1-back-serstep.c[1014,1027] [2022-11-23 14:06:37,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:06:37,749 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:06:37,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37 WrapperNode [2022-11-23 14:06:37,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:06:37,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:37,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:06:37,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:06:37,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:37,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:38,615 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15532 [2022-11-23 14:06:38,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:06:38,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:06:38,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:06:38,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:06:38,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:38,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:38,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:38,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:06:39,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:06:39,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:06:39,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:06:39,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:37" (1/1) ... [2022-11-23 14:06:39,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:06:39,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:06:40,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:06:40,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6339410f-7036-4d28-abf0-32300e8fafcb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:06:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:06:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:06:42,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:06:42,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation