./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c4f7d34c4a0552e58d85f842956bb328d1bfb90d ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:33,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:33,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:33,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:33,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:33,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:33,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:33,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:33,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:33,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:33,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:33,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:33,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:33,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:33,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:33,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:33,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:33,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:33,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:33,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:33,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:33,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:33,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:33,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:33,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:33,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:33,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:33,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:33,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:33,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:33,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:33,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:33,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:33,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:33,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:33,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:33,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:33,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:33,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:33,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:33,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:33,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-11 02:24:33,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:33,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:33,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:33,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:33,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:33,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:33,864 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:33,864 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:33,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:33,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:33,865 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:33,865 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:33,865 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:33,865 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:33,866 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:33,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:33,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:33,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:33,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:33,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:33,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:33,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:33,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:33,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:33,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:33,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:33,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:33,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:33,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:33,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:33,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:33,870 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:33,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:33,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:33,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:33,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:33,872 INFO L138 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_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4f7d34c4a0552e58d85f842956bb328d1bfb90d [2021-10-11 02:24:34,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:34,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:34,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:34,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:34,158 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:34,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-11 02:24:34,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/data/63f3921a3/05c7607ce8de46b5888f1754b89325bd/FLAG4e6c0c262 [2021-10-11 02:24:35,055 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:35,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-11 02:24:35,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/data/63f3921a3/05c7607ce8de46b5888f1754b89325bd/FLAG4e6c0c262 [2021-10-11 02:24:35,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/data/63f3921a3/05c7607ce8de46b5888f1754b89325bd [2021-10-11 02:24:35,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:35,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:35,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:35,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:35,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:35,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:35" (1/1) ... [2021-10-11 02:24:35,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4982cd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:35, skipping insertion in model container [2021-10-11 02:24:35,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:35" (1/1) ... [2021-10-11 02:24:35,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:35,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:36,020 WARN L226 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_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-10-11 02:24:36,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:36,102 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:36,297 WARN L226 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_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2021-10-11 02:24:36,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:36,372 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:36,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36 WrapperNode [2021-10-11 02:24:36,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:36,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:36,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:36,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:36,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:36,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:36,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:36,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:36,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... [2021-10-11 02:24:36,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:36,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:36,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:36,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:36,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 02:24:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:24:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:24:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:24:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 02:24:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:24:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:24:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:24:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:39,442 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:39,443 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2021-10-11 02:24:39,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:39 BoogieIcfgContainer [2021-10-11 02:24:39,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:39,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:39,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:39,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:39,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:35" (1/3) ... [2021-10-11 02:24:39,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac632d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:39, skipping insertion in model container [2021-10-11 02:24:39,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:36" (2/3) ... [2021-10-11 02:24:39,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac632d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:39, skipping insertion in model container [2021-10-11 02:24:39,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:39" (3/3) ... [2021-10-11 02:24:39,458 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2021-10-11 02:24:39,473 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:39,479 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:39,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:39,512 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:39,512 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:39,512 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:39,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:39,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:39,513 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:39,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:39,513 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2021-10-11 02:24:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:24:39,532 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:39,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:39,533 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:39,539 INFO L82 PathProgramCache]: Analyzing trace with hash -593218004, now seen corresponding path program 1 times [2021-10-11 02:24:39,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:39,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076142596] [2021-10-11 02:24:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:39,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076142596] [2021-10-11 02:24:39,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:39,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:39,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287054427] [2021-10-11 02:24:39,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:39,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:24:39,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:39,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:39,877 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2021-10-11 02:24:39,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:39,940 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions. [2021-10-11 02:24:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:39,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2021-10-11 02:24:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:39,951 INFO L225 Difference]: With dead ends: 58 [2021-10-11 02:24:39,952 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:24:39,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:39,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:24:39,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:24:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:24:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2021-10-11 02:24:39,997 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 42 transitions. Word has length 8 [2021-10-11 02:24:39,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:39,997 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-10-11 02:24:39,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2021-10-11 02:24:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:24:39,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:39,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:39,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:24:39,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:40,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:40,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1174164097, now seen corresponding path program 1 times [2021-10-11 02:24:40,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:40,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505948366] [2021-10-11 02:24:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:40,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505948366] [2021-10-11 02:24:40,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:40,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:40,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814678128] [2021-10-11 02:24:40,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:40,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:24:40,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:40,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:40,186 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. Second operand 3 states. [2021-10-11 02:24:40,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:40,190 INFO L93 Difference]: Finished difference Result 29 states and 42 transitions. [2021-10-11 02:24:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:40,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2021-10-11 02:24:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:40,190 INFO L225 Difference]: With dead ends: 29 [2021-10-11 02:24:40,190 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:40,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:40,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:40,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-11 02:24:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:40,193 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:40,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:40,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:40,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:24:40,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:40,270 INFO L262 CegarLoopResult]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2021-10-11 02:24:40,271 INFO L265 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-10-11 02:24:40,271 INFO L258 CegarLoopResult]: At program point L2961(lines 2961 2966) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,271 INFO L262 CegarLoopResult]: For program point L3044(line 3044) no Hoare annotation was computed. [2021-10-11 02:24:40,271 INFO L258 CegarLoopResult]: At program point L3077(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-11 02:24:40,272 INFO L258 CegarLoopResult]: At program point L3061(lines 3187 3190) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-11 02:24:40,272 INFO L258 CegarLoopResult]: At program point L3045(lines 3045 3050) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-11 02:24:40,272 INFO L258 CegarLoopResult]: At program point L3245(lines 2954 2959) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,272 INFO L258 CegarLoopResult]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,273 INFO L258 CegarLoopResult]: At program point L2981(lines 2981 2988) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,273 INFO L265 CegarLoopResult]: At program point L2849-1(lines 2848 2851) the Hoare annotation is: true [2021-10-11 02:24:40,273 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:40,273 INFO L265 CegarLoopResult]: At program point L2849(lines 2848 2851) the Hoare annotation is: true [2021-10-11 02:24:40,273 INFO L262 CegarLoopResult]: For program point L3067(line 3067) no Hoare annotation was computed. [2021-10-11 02:24:40,273 INFO L262 CegarLoopResult]: For program point L3052(line 3052) no Hoare annotation was computed. [2021-10-11 02:24:40,274 INFO L258 CegarLoopResult]: At program point L2970(lines 2970 2990) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,274 INFO L258 CegarLoopResult]: At program point L2970-2(lines 2970 2990) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1)) [2021-10-11 02:24:40,274 INFO L258 CegarLoopResult]: At program point L3053(lines 3053 3065) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2021-10-11 02:24:40,274 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2021-10-11 02:24:40,275 INFO L265 CegarLoopResult]: At program point L3187(lines 3184 3193) the Hoare annotation is: true [2021-10-11 02:24:40,275 INFO L262 CegarLoopResult]: For program point L3088(line 3088) no Hoare annotation was computed. [2021-10-11 02:24:40,275 INFO L262 CegarLoopResult]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2021-10-11 02:24:40,275 INFO L262 CegarLoopResult]: For program point L3040(line 3040) no Hoare annotation was computed. [2021-10-11 02:24:40,275 INFO L262 CegarLoopResult]: For program point L3074(line 3074) no Hoare annotation was computed. [2021-10-11 02:24:40,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:40 BoogieIcfgContainer [2021-10-11 02:24:40,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:40,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:40,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:40,294 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:40,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:39" (3/4) ... [2021-10-11 02:24:40,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:40,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2021-10-11 02:24:40,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-10-11 02:24:40,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-11 02:24:40,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:40,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:40,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc12c40f-ef1d-41ee-baa9-3894ffb028e9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:40,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:40,437 INFO L168 Benchmark]: Toolchain (without parser) took 5171.22 ms. Allocated memory was 111.1 MB in the beginning and 216.0 MB in the end (delta: 104.9 MB). Free memory was 77.3 MB in the beginning and 152.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,437 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 111.1 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:40,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1106.57 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 77.1 MB in the beginning and 95.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 138.4 MB. Free memory was 95.7 MB in the beginning and 90.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,439 INFO L168 Benchmark]: Boogie Preprocessor took 103.18 ms. Allocated memory is still 138.4 MB. Free memory was 90.8 MB in the beginning and 87.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,439 INFO L168 Benchmark]: RCFGBuilder took 2863.65 ms. Allocated memory was 138.4 MB in the beginning and 216.0 MB in the end (delta: 77.6 MB). Free memory was 87.3 MB in the beginning and 110.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,440 INFO L168 Benchmark]: TraceAbstraction took 843.73 ms. Allocated memory is still 216.0 MB. Free memory was 110.1 MB in the beginning and 165.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,440 INFO L168 Benchmark]: Witness Printer took 142.09 ms. Allocated memory is still 216.0 MB. Free memory was 165.5 MB in the beginning and 152.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:40,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 111.1 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1106.57 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 77.1 MB in the beginning and 95.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.14 ms. Allocated memory is still 138.4 MB. Free memory was 95.7 MB in the beginning and 90.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.18 ms. Allocated memory is still 138.4 MB. Free memory was 90.8 MB in the beginning and 87.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2863.65 ms. Allocated memory was 138.4 MB in the beginning and 216.0 MB in the end (delta: 77.6 MB). Free memory was 87.3 MB in the beginning and 110.1 MB in the end (delta: -22.8 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 843.73 ms. Allocated memory is still 216.0 MB. Free memory was 110.1 MB in the beginning and 165.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * Witness Printer took 142.09 ms. Allocated memory is still 216.0 MB. Free memory was 165.5 MB in the beginning and 152.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2954]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3053]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2970]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3187]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2961]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 2970]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3045]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 2981]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_state_variable_0 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 39 SDslu, 18 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 32 NumberOfFragments, 58 HoareAnnotationTreeSize, 14 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...