./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/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_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/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 32bit --witnessprinter.graph.data.programhash 3555ba030faa46cc93354bed1e80ecee9aa6a6bf15f1b98ede8c01390cd3073e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:20:16,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:20:16,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:20:16,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:20:16,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:20:16,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:20:16,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:20:16,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:20:16,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:20:16,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:20:16,725 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:20:16,725 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:20:16,725 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:20:16,725 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:20:16,725 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:20:16,726 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:20:16,727 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:20:16,727 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:20:16,727 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:20:16,727 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:20:16,727 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:20:16,728 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:20:16,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:20:16,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:20:16,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:20:16,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:20:16,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:20:16,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:20:16,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:20:16,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:20:16,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:20:16,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:16,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:20:16,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:20:16,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:20:16,734 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:20:16,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:20:16,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:20:16,735 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:20:16,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:20:16,735 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_4c17e317-b6df-4f3e-a261-d071e2868935/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3555ba030faa46cc93354bed1e80ecee9aa6a6bf15f1b98ede8c01390cd3073e [2024-11-14 03:20:17,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:20:17,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:20:17,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:20:17,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:20:17,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:20:17,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i Unable to find full path for "g++" [2024-11-14 03:20:19,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:20:19,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:20:19,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i [2024-11-14 03:20:19,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/data/fefe7de4a/c229e48a288449bab775196160d0e458/FLAGd1dc60b56 [2024-11-14 03:20:20,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/data/fefe7de4a/c229e48a288449bab775196160d0e458 [2024-11-14 03:20:20,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:20:20,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:20:20,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:20,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:20:20,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:20:20,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b492f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20, skipping insertion in model container [2024-11-14 03:20:20,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:20:20,354 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_4c17e317-b6df-4f3e-a261-d071e2868935/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i[916,929] [2024-11-14 03:20:20,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:20,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:20:20,511 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_4c17e317-b6df-4f3e-a261-d071e2868935/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-57.i[916,929] [2024-11-14 03:20:20,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:20:20,622 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:20:20,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20 WrapperNode [2024-11-14 03:20:20,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:20:20,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:20,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:20:20,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:20:20,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,732 INFO L138 Inliner]: procedures = 30, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2024-11-14 03:20:20,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:20:20,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:20:20,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:20:20,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:20:20,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:20:20,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:20:20,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:20:20,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:20:20,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (1/1) ... [2024-11-14 03:20:20,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:20:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:20:20,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:20:20,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:20:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:20:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 03:20:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:20:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:20:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:20:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 03:20:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:20:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:20:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:20:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:20:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:20:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:20:21,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:20:21,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:20:21,778 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-14 03:20:21,778 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:20:22,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:20:22,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:20:22,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:22 BoogieIcfgContainer [2024-11-14 03:20:22,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:20:22,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:20:22,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:20:22,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:20:22,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:20:20" (1/3) ... [2024-11-14 03:20:22,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46785d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:22, skipping insertion in model container [2024-11-14 03:20:22,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:20:20" (2/3) ... [2024-11-14 03:20:22,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46785d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:20:22, skipping insertion in model container [2024-11-14 03:20:22,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:22" (3/3) ... [2024-11-14 03:20:22,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-57.i [2024-11-14 03:20:22,505 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:20:22,508 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-57.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:20:22,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:20:22,602 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;@2d567864, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:20:22,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:20:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-14 03:20:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 03:20:22,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:20:22,620 INFO L215 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:20:22,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:20:22,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:20:22,626 INFO L85 PathProgramCache]: Analyzing trace with hash 645118772, now seen corresponding path program 1 times [2024-11-14 03:20:22,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:20:22,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262289576] [2024-11-14 03:20:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:20:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:20:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:21:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 19 proven. 26 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-14 03:21:04,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:21:04,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262289576] [2024-11-14 03:21:04,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262289576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:21:04,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854842762] [2024-11-14 03:21:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:21:04,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:21:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:21:04,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:21:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:21:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:21:06,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-14 03:21:06,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:21:06,956 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 50 treesize of output 49 [2024-11-14 03:21:07,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 85 [2024-11-14 03:21:07,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 80 [2024-11-14 03:21:08,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 82 [2024-11-14 03:21:08,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 82 [2024-11-14 03:21:08,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 84 [2024-11-14 03:21:09,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 86 [2024-11-14 03:21:10,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 100 [2024-11-14 03:21:11,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 110 [2024-11-14 03:21:13,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 115 [2024-11-14 03:21:16,994 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 337 treesize of output 283 [2024-11-14 03:21:18,151 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 134 [2024-11-14 03:21:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 261 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 03:21:24,977 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:21:27,344 INFO L349 Elim1Store]: treesize reduction 5, result has 16.7 percent of original size [2024-11-14 03:21:27,345 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 1 [2024-11-14 03:21:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-14 03:21:27,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854842762] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 03:21:27,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:21:27,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13, 26] total 38 [2024-11-14 03:21:27,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101454488] [2024-11-14 03:21:27,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:21:27,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:21:27,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:21:27,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:21:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:21:27,552 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 03:21:27,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:21:27,914 INFO L93 Difference]: Finished difference Result 86 states and 123 transitions. [2024-11-14 03:21:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:21:27,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 76 [2024-11-14 03:21:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:21:27,924 INFO L225 Difference]: With dead ends: 86 [2024-11-14 03:21:27,925 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:21:27,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 03:21:27,935 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:21:27,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:21:27,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:21:27,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:21:27,962 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) [2024-11-14 03:21:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:21:27,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2024-11-14 03:21:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:21:27,972 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:21:27,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-14 03:21:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:21:27,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:21:27,976 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:21:28,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:21:28,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:21:28,186 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:21:28,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 03:21:28,216 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:21:28,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:21:28 BoogieIcfgContainer [2024-11-14 03:21:28,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:21:28,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:21:28,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:21:28,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:21:28,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:20:22" (3/4) ... [2024-11-14 03:21:28,238 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:21:28,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-14 03:21:28,251 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2024-11-14 03:21:28,252 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-14 03:21:28,253 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 03:21:28,254 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:21:28,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:21:28,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:21:28,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:21:28,404 INFO L158 Benchmark]: Toolchain (without parser) took 68268.47ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 91.2MB in the beginning and 577.6MB in the end (delta: -486.4MB). Peak memory consumption was 449.7MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,405 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:21:28,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.16ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 75.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.25ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:21:28,406 INFO L158 Benchmark]: Boogie Preprocessor took 75.93ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,406 INFO L158 Benchmark]: RCFGBuilder took 1663.83ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 84.5MB in the end (delta: -14.4MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,407 INFO L158 Benchmark]: TraceAbstraction took 65756.60ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 83.7MB in the beginning and 586.0MB in the end (delta: -502.3MB). Peak memory consumption was 431.0MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,407 INFO L158 Benchmark]: Witness Printer took 167.97ms. Allocated memory is still 1.1GB. Free memory was 586.0MB in the beginning and 577.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:21:28,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.16ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 75.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.25ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 72.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.93ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1663.83ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 84.5MB in the end (delta: -14.4MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * TraceAbstraction took 65756.60ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 83.7MB in the beginning and 586.0MB in the end (delta: -502.3MB). Peak memory consumption was 431.0MB. Max. memory is 16.1GB. * Witness Printer took 167.97ms. Allocated memory is still 1.1GB. Free memory was 586.0MB in the beginning and 577.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.6s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 4.7s SatisfiabilityAnalysisTime, 59.7s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 10826 SizeOfPredicates, 14 NumberOfNonLiveVariables, 401 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 631/918 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: ((((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00))) && (last_1_WrapperStruct00_var_1_9 == \old(last_1_WrapperStruct00_var_1_9))) && (last_1_WrapperStruct00_var_1_14 == \old(last_1_WrapperStruct00_var_1_14))) RESULT: Ultimate proved your program to be correct! [2024-11-14 03:21:28,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c17e317-b6df-4f3e-a261-d071e2868935/bin/utaipan-verify-sOmjnqqW8E/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