./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i --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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/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 1bda2fd8e210a3526aa5acd93f072521cedc428a8068a8b9b2627ce54deebf1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:17:20,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:17:20,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:17:20,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:17:20,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:17:21,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:17:21,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:17:21,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:17:21,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:17:21,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:17:21,010 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:17:21,011 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:17:21,011 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:17:21,011 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:17:21,011 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:17:21,012 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:17:21,012 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:17:21,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:17:21,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:17:21,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:17:21,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:17:21,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:17:21,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:17:21,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:17:21,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:17:21,015 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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/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 -> 1bda2fd8e210a3526aa5acd93f072521cedc428a8068a8b9b2627ce54deebf1d [2024-11-14 03:17:21,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:17:21,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:17:21,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:17:21,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:17:21,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:17:21,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i Unable to find full path for "g++" [2024-11-14 03:17:23,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:17:23,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:17:23,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i [2024-11-14 03:17:24,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/data/245b526a4/6c79570a5ffd44c9a545b8fc45d40600/FLAG0fa5cfff9 [2024-11-14 03:17:24,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/data/245b526a4/6c79570a5ffd44c9a545b8fc45d40600 [2024-11-14 03:17:24,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:17:24,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:17:24,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:17:24,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:17:24,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:17:24,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:17:24" (1/1) ... [2024-11-14 03:17:24,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437dab10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:24, skipping insertion in model container [2024-11-14 03:17:24,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:17:24" (1/1) ... [2024-11-14 03:17:24,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:17:24,423 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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i[10072,10085] [2024-11-14 03:17:24,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:17:26,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:17:26,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push) [41] [2024-11-14 03:17:26,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [42] [2024-11-14 03:17:26,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [228] [2024-11-14 03:17:26,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push, 1) [1091] [2024-11-14 03:17:26,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1291] [2024-11-14 03:17:27,023 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_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/sv-benchmarks/c/intel-tdx-module/tdh_sys_update__cover__success_havoc_memory.i[10072,10085] [2024-11-14 03:17:27,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:17:27,489 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:17:27,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27 WrapperNode [2024-11-14 03:17:27,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:17:27,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:17:27,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:17:27,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:17:27,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:27,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:27,907 INFO L138 Inliner]: procedures = 66, calls = 5601, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 6252 [2024-11-14 03:17:27,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:17:27,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:17:27,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:17:27,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:17:27,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:27,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:27,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:27,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:17:28,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:17:28,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:17:28,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:17:28,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (1/1) ... [2024-11-14 03:17:28,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:17:28,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:17:28,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:17:28,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:17:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:17:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:17:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure get_sysinfo_table [2024-11-14 03:17:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sysinfo_table [2024-11-14 03:17:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:17:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:17:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_bool [2024-11-14 03:17:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_bool [2024-11-14 03:17:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 03:17:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint64t [2024-11-14 03:17:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint64t [2024-11-14 03:17:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:17:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:17:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:17:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure tdx_report_error_and_halt [2024-11-14 03:17:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure tdx_report_error_and_halt [2024-11-14 03:17:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure init_data_fast_ref_ptrs [2024-11-14 03:17:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure init_data_fast_ref_ptrs [2024-11-14 03:17:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure copy_global_field_from_handoff [2024-11-14 03:17:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_global_field_from_handoff [2024-11-14 03:17:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_global_data [2024-11-14 03:17:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure get_global_data [2024-11-14 03:17:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint8t [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint8t [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_custom_type [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_custom_type [2024-11-14 03:17:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure get_local_data [2024-11-14 03:17:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_local_data [2024-11-14 03:17:28,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:17:28,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:17:50,374 INFO L? ?]: Removed 223 outVars from TransFormulas that were not future-live. [2024-11-14 03:17:50,374 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:17:52,199 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:17:52,199 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 03:17:52,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:17:52 BoogieIcfgContainer [2024-11-14 03:17:52,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:17:52,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:17:52,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:17:52,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:17:52,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:17:24" (1/3) ... [2024-11-14 03:17:52,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45068103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:17:52, skipping insertion in model container [2024-11-14 03:17:52,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:17:27" (2/3) ... [2024-11-14 03:17:52,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45068103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:17:52, skipping insertion in model container [2024-11-14 03:17:52,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:17:52" (3/3) ... [2024-11-14 03:17:52,211 INFO L112 eAbstractionObserver]: Analyzing ICFG tdh_sys_update__cover__success_havoc_memory.i [2024-11-14 03:17:52,228 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:17:52,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG tdh_sys_update__cover__success_havoc_memory.i that has 13 procedures, 249 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-11-14 03:17:52,318 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:17:52,338 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@325d8ecc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:17:52,338 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:17:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 128 states have (on average 1.125) internal successors, (144), 133 states have internal predecessors, (144), 107 states have call successors, (107), 12 states have call predecessors, (107), 12 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-14 03:17:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-11-14 03:17:52,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:17:52,382 INFO L215 NwaCegarLoop]: trace histogram [53, 17, 9, 9, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:17:52,382 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:17:52,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:17:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1548112222, now seen corresponding path program 1 times [2024-11-14 03:17:52,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:17:52,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805903611] [2024-11-14 03:17:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:17:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:22:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:22:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3175 trivial. 0 not checked. [2024-11-14 03:22:32,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:22:32,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805903611] [2024-11-14 03:22:32,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805903611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:22:32,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:22:32,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:22:32,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126211664] [2024-11-14 03:22:32,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:22:32,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:22:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:22:32,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:22:32,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:22:32,286 INFO L87 Difference]: Start difference. First operand has 249 states, 128 states have (on average 1.125) internal successors, (144), 133 states have internal predecessors, (144), 107 states have call successors, (107), 12 states have call predecessors, (107), 12 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2024-11-14 03:22:34,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:22:37,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:22:39,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:22:41,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:22:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:22:42,454 INFO L93 Difference]: Finished difference Result 484 states and 703 transitions. [2024-11-14 03:22:42,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:22:42,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 399 [2024-11-14 03:22:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:22:42,469 INFO L225 Difference]: With dead ends: 484 [2024-11-14 03:22:42,470 INFO L226 Difference]: Without dead ends: 244 [2024-11-14 03:22:42,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:22:42,479 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 1 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:22:42,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 633 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 4 Unknown, 0 Unchecked, 10.0s Time] [2024-11-14 03:22:42,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-14 03:22:42,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2024-11-14 03:22:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 127 states have (on average 1.078740157480315) internal successors, (137), 127 states have internal predecessors, (137), 103 states have call successors, (103), 11 states have call predecessors, (103), 11 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-14 03:22:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 343 transitions. [2024-11-14 03:22:42,602 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 343 transitions. Word has length 399 [2024-11-14 03:22:42,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:22:42,605 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 343 transitions. [2024-11-14 03:22:42,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2024-11-14 03:22:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 343 transitions. [2024-11-14 03:22:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-11-14 03:22:42,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:22:42,625 INFO L215 NwaCegarLoop]: trace histogram [53, 17, 10, 10, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:22:42,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:22:42,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:22:42,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:22:42,626 INFO L85 PathProgramCache]: Analyzing trace with hash -493181250, now seen corresponding path program 1 times [2024-11-14 03:22:42,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:22:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034058637] [2024-11-14 03:22:42,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:22:42,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3203 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3202 trivial. 0 not checked. [2024-11-14 03:27:16,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:16,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034058637] [2024-11-14 03:27:16,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034058637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:27:16,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129169268] [2024-11-14 03:27:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:16,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:16,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:16,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:27:16,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8b027e3-9dd3-4829-b1a7-3abcbf59357e/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:32:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:32:07,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 15642 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:32:07,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:32:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3203 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 3139 trivial. 0 not checked. [2024-11-14 03:32:07,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:32:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3203 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3202 trivial. 0 not checked. [2024-11-14 03:32:11,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129169268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:32:11,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [517437782] [2024-11-14 03:32:11,643 INFO L159 IcfgInterpreter]: Started Sifa with 215 locations of interest [2024-11-14 03:32:11,643 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:32:11,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:32:11,657 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:32:11,659 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs