./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje --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 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:17:17,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:17:17,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:17:17,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:17:17,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:17:17,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:17:17,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:17:17,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:17:17,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:17:17,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:17:17,401 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:17:17,402 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:17:17,402 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:17:17,403 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:17:17,403 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:17:17,407 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:17:17,408 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:17:17,408 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:17:17,408 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:17:17,409 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:17:17,409 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:17:17,410 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:17:17,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:17:17,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:17:17,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:17:17,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:17:17,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:17:17,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:17:17,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:17:17,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:17:17,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:17:17,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:17:17,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:17:17,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:17:17,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:17:17,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:17:17,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:17:17,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:17:17,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:17,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:17:17,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:17:17,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:17:17,446 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:17:17,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:17:17,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:17:17,447 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:17:17,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:17:17,447 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2024-11-09 05:17:17,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:17:17,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:17:17,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:17:17,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:17:17,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:17:17,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i Unable to find full path for "g++" [2024-11-09 05:17:19,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:17:20,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:17:20,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2024-11-09 05:17:20,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/data/70a4097bc/d47b259c12704e0bb1c0fd31e72bba43/FLAGda3974757 [2024-11-09 05:17:20,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/data/70a4097bc/d47b259c12704e0bb1c0fd31e72bba43 [2024-11-09 05:17:20,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:17:20,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:17:20,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:20,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:17:20,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:17:20,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2526cfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20, skipping insertion in model container [2024-11-09 05:17:20,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:17:20,407 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_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-09 05:17:20,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:20,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:17:20,504 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_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-09 05:17:20,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:17:20,569 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:17:20,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20 WrapperNode [2024-11-09 05:17:20,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:17:20,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:20,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:17:20,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:17:20,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,645 INFO L138 Inliner]: procedures = 30, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2024-11-09 05:17:20,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:17:20,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:17:20,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:17:20,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:17:20,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:17:20,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:17:20,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:17:20,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:17:20,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (1/1) ... [2024-11-09 05:17:20,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:17:20,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:20,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:17:20,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:17:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:17:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 05:17:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:17:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:17:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 05:17:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 05:17:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:17:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:17:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:17:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:17:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:17:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:17:20,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:17:20,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:17:21,808 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-09 05:17:21,808 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:17:22,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:17:22,453 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:17:22,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:22 BoogieIcfgContainer [2024-11-09 05:17:22,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:17:22,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:17:22,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:17:22,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:17:22,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:20" (1/3) ... [2024-11-09 05:17:22,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e818c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:22, skipping insertion in model container [2024-11-09 05:17:22,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:20" (2/3) ... [2024-11-09 05:17:22,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e1e818c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:17:22, skipping insertion in model container [2024-11-09 05:17:22,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:22" (3/3) ... [2024-11-09 05:17:22,467 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2024-11-09 05:17:22,488 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:17:22,488 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:17:22,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:17:22,579 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;@1eb5b367, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:17:22,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:17:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:17:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 05:17:22,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:17:22,599 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:17:22,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:17:22,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:17:22,607 INFO L85 PathProgramCache]: Analyzing trace with hash 536734544, now seen corresponding path program 1 times [2024-11-09 05:17:22,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:17:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219555393] [2024-11-09 05:17:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:17:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 05:17:36,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:17:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219555393] [2024-11-09 05:17:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219555393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:17:36,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291784201] [2024-11-09 05:17:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:17:36,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:17:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:17:36,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:17:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:17:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:17:36,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 05:17:36,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:17:37,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 05:17:37,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 05:17:37,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 05:17:37,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-09 05:17:39,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 118 [2024-11-09 05:17:40,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 15 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 170 [2024-11-09 05:17:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 05:17:42,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:17:47,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-09 05:17:48,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-09 05:17:48,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-09 05:17:48,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2024-11-09 05:17:48,541 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 05:17:48,560 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 05:17:48,575 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 05:17:48,587 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 05:17:48,595 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 05:17:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-09 05:17:48,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291784201] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:17:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1141097440] [2024-11-09 05:17:48,916 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2024-11-09 05:17:48,916 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:17:48,920 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:17:48,927 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:17:48,928 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:17:54,389 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 168 for LOIs [2024-11-09 05:17:54,428 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:18:45,394 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:18:54,200 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:05,088 WARN L286 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:18,799 WARN L286 SmtUtils]: Spent 9.54s on a formula simplification that was a NOOP. DAG size: 207 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:33,429 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:19:47,946 WARN L286 SmtUtils]: Spent 10.18s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:20:02,026 WARN L286 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 211 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:20:48,683 WARN L286 SmtUtils]: Spent 15.91s on a formula simplification that was a NOOP. DAG size: 251 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:21:13,552 WARN L286 SmtUtils]: Spent 15.54s on a formula simplification that was a NOOP. DAG size: 245 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:21:21,553 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '364#(and (<= 1 |#StackHeapBarrier|) (= |~#WrapperStruct00~0.base| 4) (= ~isInitial~0 1) (= |~#WrapperStruct00~0.offset| 0))' at error location [2024-11-09 05:21:21,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:21:21,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:21:21,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 7] total 20 [2024-11-09 05:21:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589783468] [2024-11-09 05:21:21,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 05:21:21,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 05:21:21,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:21:21,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 05:21:21,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1469, Unknown=28, NotChecked=0, Total=1806 [2024-11-09 05:21:21,592 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 20 states, 11 states have (on average 4.636363636363637) internal successors, (51), 19 states have internal predecessors, (51), 13 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 8 states have call predecessors, (36), 13 states have call successors, (36) [2024-11-09 05:21:22,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:21:22,984 INFO L93 Difference]: Finished difference Result 97 states and 132 transitions. [2024-11-09 05:21:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 05:21:22,987 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 11 states have (on average 4.636363636363637) internal successors, (51), 19 states have internal predecessors, (51), 13 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 8 states have call predecessors, (36), 13 states have call successors, (36) Word has length 52 [2024-11-09 05:21:22,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:21:22,992 INFO L225 Difference]: With dead ends: 97 [2024-11-09 05:21:22,992 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:21:22,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 122 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 207.6s TimeCoverageRelationStatistics Valid=402, Invalid=2120, Unknown=28, NotChecked=0, Total=2550 [2024-11-09 05:21:22,999 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:21:23,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 44 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:21:23,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:21:23,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:21:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:21:23,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:21:23,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2024-11-09 05:21:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:21:23,028 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:21:23,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 11 states have (on average 4.636363636363637) internal successors, (51), 19 states have internal predecessors, (51), 13 states have call successors, (36), 3 states have call predecessors, (36), 6 states have return successors, (36), 8 states have call predecessors, (36), 13 states have call successors, (36) [2024-11-09 05:21:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:21:23,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:21:23,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:21:23,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:21:23,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:21:23,237 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:21:23,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:21:23,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:21:23,645 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:21:23,645 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:21:23,646 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] [2024-11-09 05:21:23,650 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-09 05:21:23,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-09 05:21:23,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-09 05:21:23,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:21:23 BoogieIcfgContainer [2024-11-09 05:21:23,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:21:23,663 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:21:23,663 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:21:23,664 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:21:23,664 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:17:22" (3/4) ... [2024-11-09 05:21:23,668 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:21:23,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 05:21:23,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-09 05:21:23,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 05:21:23,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 05:21:23,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:21:23,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:21:23,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:21:23,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:21:23,866 INFO L158 Benchmark]: Toolchain (without parser) took 243723.67ms. Allocated memory was 119.5MB in the beginning and 813.7MB in the end (delta: 694.2MB). Free memory was 59.9MB in the beginning and 687.4MB in the end (delta: -627.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,869 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:21:23,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.07ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 141.1MB in the end (delta: -81.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.57ms. Allocated memory is still 182.5MB. Free memory was 141.1MB in the beginning and 137.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,872 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 182.5MB. Free memory was 137.7MB in the beginning and 134.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,872 INFO L158 Benchmark]: RCFGBuilder took 1750.48ms. Allocated memory is still 182.5MB. Free memory was 134.0MB in the beginning and 74.1MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,873 INFO L158 Benchmark]: TraceAbstraction took 241206.09ms. Allocated memory was 182.5MB in the beginning and 813.7MB in the end (delta: 631.2MB). Free memory was 73.1MB in the beginning and 697.9MB in the end (delta: -624.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,873 INFO L158 Benchmark]: Witness Printer took 202.52ms. Allocated memory is still 813.7MB. Free memory was 697.9MB in the beginning and 687.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 05:21:23,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.07ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 141.1MB in the end (delta: -81.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.57ms. Allocated memory is still 182.5MB. Free memory was 141.1MB in the beginning and 137.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 182.5MB. Free memory was 137.7MB in the beginning and 134.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1750.48ms. Allocated memory is still 182.5MB. Free memory was 134.0MB in the beginning and 74.1MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 241206.09ms. Allocated memory was 182.5MB in the beginning and 813.7MB in the end (delta: 631.2MB). Free memory was 73.1MB in the beginning and 697.9MB in the end (delta: -624.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 202.52ms. Allocated memory is still 813.7MB. Free memory was 697.9MB in the beginning and 687.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#WrapperStruct00~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 240.7s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 13 mSDtfsCounter, 436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 122 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 207.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 6 NumberOfNonLiveVariables, 324 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 358/396 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && ((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:21:23,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e9b9e4-f392-4e39-948b-e9d2c6ebb594/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE