./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --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 2b030325ffd6ab6d140b52f61e6751a0e6817fbb80bf57dc6bd6fb6de02225ff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:41:25,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:41:25,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:41:25,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:41:25,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:41:25,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:41:25,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:41:25,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:41:25,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:41:25,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:41:25,590 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:41:25,592 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:41:25,592 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:41:25,592 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:41:25,592 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:41:25,592 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:41:25,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:41:25,593 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:41:25,593 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:41:25,593 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:41:25,593 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:41:25,593 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:41:25,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:41:25,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:41:25,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:41:25,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:41:25,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:41:25,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:41:25,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:41:25,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:41:25,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:41:25,597 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:41:25,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:41:25,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:41:25,598 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:41:25,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:41:25,598 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 2b030325ffd6ab6d140b52f61e6751a0e6817fbb80bf57dc6bd6fb6de02225ff [2024-11-14 05:41:25,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:41:25,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:41:25,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:41:25,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:41:25,932 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:41:25,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c Unable to find full path for "g++" [2024-11-14 05:41:27,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:41:29,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:41:29,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c [2024-11-14 05:41:30,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/data/9efe9f837/20ca437df0074e08b4471c21952958bc/FLAG38ff4e563 [2024-11-14 05:41:30,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23888e08-c671-4359-80ab-3ca4c498a3d5/bin/utaipan-verify-sOmjnqqW8E/data/9efe9f837/20ca437df0074e08b4471c21952958bc [2024-11-14 05:41:30,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:41:30,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:41:30,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:41:30,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:41:30,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:41:30,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:41:30" (1/1) ... [2024-11-14 05:41:30,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654703aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:41:30, skipping insertion in model container [2024-11-14 05:41:30,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:41:30" (1/1) ... [2024-11-14 05:41:31,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:41:32,260 WARN L250 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_23888e08-c671-4359-80ab-3ca4c498a3d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c[1180,1193] [2024-11-14 05:41:37,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:41:37,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:41:37,817 WARN L250 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_23888e08-c671-4359-80ab-3ca4c498a3d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.5.prop1-func-interl.c[1180,1193] [2024-11-14 05:41:42,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:41:42,192 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:41:42,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:41:42 WrapperNode [2024-11-14 05:41:42,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:41:42,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:41:42,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:41:42,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:41:42,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:41:42" (1/1) ... [2024-11-14 05:41:43,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:41:42" (1/1) ...