./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-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_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/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_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/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_9231dc4d-8a81-436e-b20f-331e843a9b8c/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 979caedfce1546d72161a66d46a60f0e6601c152ed4521adc470535529545654 --- 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 00:19:20,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:19:20,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:19:21,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:19:21,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:19:21,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:19:21,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:19:21,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:19:21,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:19:21,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:19:21,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:19:21,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:19:21,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:19:21,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:19:21,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:19:21,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:19:21,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:19:21,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:19:21,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:19:21,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:19:21,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:19:21,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:19:21,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:19:21,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:19:21,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:19:21,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:19:21,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:19:21,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:19:21,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:19:21,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:19:21,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:19:21,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:19:21,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:19:21,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:19:21,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:19:21,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:19:21,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:19:21,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:19:21,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:19:21,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:19:21,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:19:21,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:19:21,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:19:21,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:19:21,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:19:21,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:19:21,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:19:21,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:19:21,186 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:19:21,186 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:19:21,186 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:19:21,186 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:19:21,188 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:19:21,188 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:19:21,188 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:19:21,189 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:19:21,189 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:19:21,189 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:19:21,189 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:19:21,190 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:19:21,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:19:21,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:19:21,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:19:21,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:19:21,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:19:21,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:19:21,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:19:21,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:19:21,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:19:21,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:19:21,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:19:21,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:19:21,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:19:21,194 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:19:21,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:19:21,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:19:21,195 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:19:21,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:19:21,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:19:21,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:19:21,196 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_9231dc4d-8a81-436e-b20f-331e843a9b8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979caedfce1546d72161a66d46a60f0e6601c152ed4521adc470535529545654 [2022-11-22 00:19:21,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:19:21,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:19:21,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:19:21,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:19:21,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:19:21,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-func-interl.c [2022-11-22 00:19:25,226 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:19:26,407 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:19:26,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-func-interl.c [2022-11-22 00:19:26,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/data/dcbb480e6/eee0ac7912074145b8925c37c6103723/FLAGb6cc13a74 [2022-11-22 00:19:26,582 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/data/dcbb480e6/eee0ac7912074145b8925c37c6103723 [2022-11-22 00:19:26,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:19:26,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:19:26,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:19:26,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:19:26,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:19:26,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:19:26" (1/1) ... [2022-11-22 00:19:26,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4860e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:26, skipping insertion in model container [2022-11-22 00:19:26,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:19:26" (1/1) ... [2022-11-22 00:19:26,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:19:27,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:19:28,101 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_9231dc4d-8a81-436e-b20f-331e843a9b8c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-func-interl.c[1014,1027] [2022-11-22 00:19:31,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:19:31,164 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:19:31,178 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_9231dc4d-8a81-436e-b20f-331e843a9b8c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.4.prop3-func-interl.c[1014,1027] [2022-11-22 00:19:33,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:19:33,813 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:19:33,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33 WrapperNode [2022-11-22 00:19:33,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:19:33,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:19:33,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:19:33,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:19:33,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:34,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:37,189 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39868 [2022-11-22 00:19:37,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:19:37,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:19:37,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:19:37,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:19:37,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:37,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:37,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:37,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:38,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:38,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:38,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:39,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:39,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:19:39,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:19:39,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:19:39,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:19:39,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:19:33" (1/1) ... [2022-11-22 00:19:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:19:39,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:19:39,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:19:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9231dc4d-8a81-436e-b20f-331e843a9b8c/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:19:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:19:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:19:44,748 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:19:44,751 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation