./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__cover__success_havoc_memory.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/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 57870bf6cee085f304e68a87243b25b78613f5d29050a122194c8f441b37a953 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:56:11,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:56:11,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:56:11,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:56:11,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:56:11,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:56:11,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:56:11,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:56:11,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:56:11,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:56:11,993 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:56:11,994 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:56:11,994 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:56:11,994 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:56:11,994 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:56:11,994 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:56:11,994 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:56:11,995 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:56:11,995 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:56:11,996 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:56:11,996 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:56:11,996 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:56:11,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:56:11,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:56:11,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:56:11,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:56:11,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:56:11,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:56:11,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:56:11,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:56:11,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:56:11,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:56:11,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:56:11,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:56:11,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:56:11,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:56:11,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:56:12,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:56:12,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:56:12,001 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:56:12,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:56:12,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:56:12,002 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:56:12,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:56:12,002 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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/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 -> 57870bf6cee085f304e68a87243b25b78613f5d29050a122194c8f441b37a953 [2024-11-14 02:56:12,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:56:12,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:56:12,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:56:12,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:56:12,407 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:56:12,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__cover__success_havoc_memory.i Unable to find full path for "g++" [2024-11-14 02:56:14,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:56:15,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:56:15,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__cover__success_havoc_memory.i [2024-11-14 02:56:15,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/data/864e11be3/e040b2b37a214a2f8c2f84d5072556cf/FLAG7f69caa0d [2024-11-14 02:56:15,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/data/864e11be3/e040b2b37a214a2f8c2f84d5072556cf [2024-11-14 02:56:15,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:56:15,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:56:15,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:56:15,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:56:15,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:56:15,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:56:15" (1/1) ... [2024-11-14 02:56:15,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ec328a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:15, skipping insertion in model container [2024-11-14 02:56:15,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:56:15" (1/1) ... [2024-11-14 02:56:15,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:56:16,041 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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__cover__success_havoc_memory.i[10643,10656] [2024-11-14 02:56:16,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:56:17,552 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:56:17,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push) [41] [2024-11-14 02:56:17,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(1) [42] [2024-11-14 02:56:17,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [233] [2024-11-14 02:56:17,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push, 1) [1034] [2024-11-14 02:56:17,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1234] [2024-11-14 02:56:17,617 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_daef074c-4dfb-4c31-bcde-cd86d22c50e2/sv-benchmarks/c/intel-tdx-module/tdh_mng_addcx__cover__success_havoc_memory.i[10643,10656] [2024-11-14 02:56:18,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:56:19,034 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:56:19,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19 WrapperNode [2024-11-14 02:56:19,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:56:19,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:56:19,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:56:19,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:56:19,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:19,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:21,292 INFO L138 Inliner]: procedures = 115, calls = 39278, calls flagged for inlining = 61, calls inlined = 61, statements flattened = 41021 [2024-11-14 02:56:21,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:56:21,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:56:21,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:56:21,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:56:21,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:21,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:21,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:21,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:56:23,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:56:23,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:56:23,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:56:23,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (1/1) ... [2024-11-14 02:56:23,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:56:23,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:56:23,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:56:23,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:56:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_find_entry [2024-11-14 02:56:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_find_entry [2024-11-14 02:56:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure release_sharex_lock_hp_sh [2024-11-14 02:56:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sharex_lock_hp_sh [2024-11-14 02:56:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure set_hkid_to_pa [2024-11-14 02:56:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure set_hkid_to_pa [2024-11-14 02:56:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_bool [2024-11-14 02:56:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_bool [2024-11-14 02:56:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:56:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint16t [2024-11-14 02:56:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint16t [2024-11-14 02:56:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure free_la [2024-11-14 02:56:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure free_la [2024-11-14 02:56:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure init_data_fast_ref_ptrs [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure init_data_fast_ref_ptrs [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure acquire_sharex_lock_hp [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure acquire_sharex_lock_hp [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure map_pa [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure map_pa [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint8t [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint8t [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure api_error_with_operand_id [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure api_error_with_operand_id [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure fill_area_cacheline [2024-11-14 02:56:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_area_cacheline [2024-11-14 02:56:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure map_pa_with_global_hkid [2024-11-14 02:56:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure map_pa_with_global_hkid [2024-11-14 02:56:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:56:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure hash_pa [2024-11-14 02:56:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_pa [2024-11-14 02:56:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure lfence [2024-11-14 02:56:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lfence [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_xadd_16b [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_xadd_16b [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ia32_invalidate_tlb_entries [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ia32_invalidate_tlb_entries [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_cmpxchg_16b [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_cmpxchg_16b [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure promote_sharex_lock_hp [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure promote_sharex_lock_hp [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_or_16b [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_or_16b [2024-11-14 02:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure get_local_data [2024-11-14 02:56:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_local_data [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure check_lock_and_map_explicit_private_4k_hpa [2024-11-14 02:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure check_lock_and_map_explicit_private_4k_hpa [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_sysinfo_table [2024-11-14 02:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sysinfo_table [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_uint64t [2024-11-14 02:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_uint64t [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure fill_keyhole_pte [2024-11-14 02:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_keyhole_pte [2024-11-14 02:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure assign_hkid_to_hpa [2024-11-14 02:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assign_hkid_to_hpa [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure tdx_report_error_and_halt [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tdx_report_error_and_halt [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure _lock_and_16b [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _lock_and_16b [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure la_from_keyhole_idx [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure la_from_keyhole_idx [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_global_data [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_global_data [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure pamt_unwalk [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pamt_unwalk [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure release_sharex_lock_hp [2024-11-14 02:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sharex_lock_hp [2024-11-14 02:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure lru_cache_remove_entry [2024-11-14 02:56:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lru_cache_remove_entry [2024-11-14 02:56:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_ABST_incomplete [2024-11-14 02:56:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_ABST_incomplete [2024-11-14 02:56:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:56:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-14 02:56:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_struct_gprs_state_t [2024-11-14 02:56:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:56:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:56:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure TDXFV_NONDET_custom_type [2024-11-14 02:56:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure TDXFV_NONDET_custom_type [2024-11-14 02:56:24,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:56:24,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:05:24,158 INFO L? ?]: Removed 1414 outVars from TransFormulas that were not future-live. [2024-11-14 03:05:24,158 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:05:27,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:05:27,120 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-14 03:05:27,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:27 BoogieIcfgContainer [2024-11-14 03:05:27,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:05:27,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:05:27,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:05:27,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:05:27,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:56:15" (1/3) ... [2024-11-14 03:05:27,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efebb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:27, skipping insertion in model container [2024-11-14 03:05:27,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:19" (2/3) ... [2024-11-14 03:05:27,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efebb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:05:27, skipping insertion in model container [2024-11-14 03:05:27,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:05:27" (3/3) ... [2024-11-14 03:05:27,132 INFO L112 eAbstractionObserver]: Analyzing ICFG tdh_mng_addcx__cover__success_havoc_memory.i [2024-11-14 03:05:27,151 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:05:27,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG tdh_mng_addcx__cover__success_havoc_memory.i that has 38 procedures, 616 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2024-11-14 03:05:27,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:05:27,266 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;@1d1bd42d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:05:27,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:05:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 616 states, 358 states have (on average 1.26536312849162) internal successors, (453), 382 states have internal predecessors, (453), 224 states have call successors, (224), 37 states have call predecessors, (224), 37 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-14 03:05:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-14 03:05:27,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:27,301 INFO L215 NwaCegarLoop]: trace histogram [53, 17, 9, 9, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:05:27,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:27,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:27,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1489799009, now seen corresponding path program 1 times [2024-11-14 03:05:27,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428346275] [2024-11-14 03:05:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:27,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:05:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:05:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3169 trivial. 0 not checked. [2024-11-14 03:05:42,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:05:42,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428346275] [2024-11-14 03:05:42,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428346275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:05:42,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:05:42,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:05:42,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208807039] [2024-11-14 03:05:42,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:05:42,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:05:42,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:05:42,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:05:42,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:05:42,114 INFO L87 Difference]: Start difference. First operand has 616 states, 358 states have (on average 1.26536312849162) internal successors, (453), 382 states have internal predecessors, (453), 224 states have call successors, (224), 37 states have call predecessors, (224), 37 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224) Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 03:05:44,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:46,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:48,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:50,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:52,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:05:55,770 WARN L539 Checker$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 03:05:57,780 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 03:05:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:05:58,167 INFO L93 Difference]: Finished difference Result 1215 states and 1817 transitions. [2024-11-14 03:05:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:05:58,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 409 [2024-11-14 03:05:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:05:58,187 INFO L225 Difference]: With dead ends: 1215 [2024-11-14 03:05:58,187 INFO L226 Difference]: Without dead ends: 594 [2024-11-14 03:05:58,195 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 03:05:58,198 INFO L432 NwaCegarLoop]: 791 mSDtfsCounter, 1 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:05:58,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1581 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 6 Unknown, 0 Unchecked, 15.8s Time] [2024-11-14 03:05:58,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-14 03:05:58,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2024-11-14 03:05:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 350 states have (on average 1.2114285714285715) internal successors, (424), 360 states have internal predecessors, (424), 205 states have call successors, (205), 36 states have call predecessors, (205), 36 states have return successors, (205), 203 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-14 03:05:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 834 transitions. [2024-11-14 03:05:58,341 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 834 transitions. Word has length 409 [2024-11-14 03:05:58,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:05:58,342 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 834 transitions. [2024-11-14 03:05:58,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 03:05:58,342 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 834 transitions. [2024-11-14 03:05:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-11-14 03:05:58,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:05:58,360 INFO L215 NwaCegarLoop]: trace histogram [53, 17, 10, 10, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:05:58,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:05:58,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:05:58,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:05:58,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2134490423, now seen corresponding path program 1 times [2024-11-14 03:05:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:05:58,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108489971] [2024-11-14 03:05:58,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:05:58,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:06:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:06:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3196 trivial. 0 not checked. [2024-11-14 03:06:08,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:06:08,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108489971] [2024-11-14 03:06:08,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108489971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:06:08,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373295552] [2024-11-14 03:06:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:06:08,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:06:08,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:06:08,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:06:08,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daef074c-4dfb-4c31-bcde-cd86d22c50e2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process