./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:42,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:42,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:42,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:42,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:42,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:42,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:42,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:42,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:42,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:42,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:42,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:42,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:42,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:42,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:42,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:42,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:42,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:42,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:42,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:42,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:42,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:42,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:42,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:42,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:42,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:42,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:42,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:42,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:42,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:42,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:42,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:42,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:42,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:42,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:42,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:42,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:42,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:42,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:42,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:42,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:42,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:03:42,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:42,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:42,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:42,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:42,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:42,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:42,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:42,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:42,202 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:42,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:42,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:03:42,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:42,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:42,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:42,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:42,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:42,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:42,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:42,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:42,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:42,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:42,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef [2021-12-15 13:03:42,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:42,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:42,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:42,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:42,421 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:42,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:03:42,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb40df00/80c56ded5ad74fc290b069bf209bf8ec/FLAGea3e016b6 [2021-12-15 13:03:42,999 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:42,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:03:43,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb40df00/80c56ded5ad74fc290b069bf209bf8ec/FLAGea3e016b6 [2021-12-15 13:03:43,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb40df00/80c56ded5ad74fc290b069bf209bf8ec [2021-12-15 13:03:43,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:43,511 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:43,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:43,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:43,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:43,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:43" (1/1) ... [2021-12-15 13:03:43,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eefc3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:43, skipping insertion in model container [2021-12-15 13:03:43,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:43" (1/1) ... [2021-12-15 13:03:43,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:43,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:44,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-12-15 13:03:44,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:44,344 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:44,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-12-15 13:03:44,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:44,567 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:44,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44 WrapperNode [2021-12-15 13:03:44,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:44,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:44,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:44,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:44,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,689 INFO L137 Inliner]: procedures = 152, calls = 622, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 1714 [2021-12-15 13:03:44,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:44,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:44,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:44,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:44,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:44,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:44,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:44,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:44,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (1/1) ... [2021-12-15 13:03:44,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:44,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:03:44,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:03:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:03:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:03:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2021-12-15 13:03:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2021-12-15 13:03:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2021-12-15 13:03:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2021-12-15 13:03:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:03:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2021-12-15 13:03:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2021-12-15 13:03:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2021-12-15 13:03:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2021-12-15 13:03:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:03:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:03:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2021-12-15 13:03:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2021-12-15 13:03:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:03:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2021-12-15 13:03:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2021-12-15 13:03:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2021-12-15 13:03:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2021-12-15 13:03:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2021-12-15 13:03:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2021-12-15 13:03:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2021-12-15 13:03:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2021-12-15 13:03:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2021-12-15 13:03:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2021-12-15 13:03:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2021-12-15 13:03:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2021-12-15 13:03:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:03:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:03:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2021-12-15 13:03:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2021-12-15 13:03:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2021-12-15 13:03:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2021-12-15 13:03:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2021-12-15 13:03:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2021-12-15 13:03:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2021-12-15 13:03:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2021-12-15 13:03:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2021-12-15 13:03:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2021-12-15 13:03:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2021-12-15 13:03:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2021-12-15 13:03:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:03:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:03:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2021-12-15 13:03:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2021-12-15 13:03:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2021-12-15 13:03:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2021-12-15 13:03:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:03:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:03:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:03:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:03:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:03:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:03:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:03:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:03:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:03:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-15 13:03:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-15 13:03:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2021-12-15 13:03:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2021-12-15 13:03:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2021-12-15 13:03:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2021-12-15 13:03:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2021-12-15 13:03:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2021-12-15 13:03:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2021-12-15 13:03:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2021-12-15 13:03:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2021-12-15 13:03:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2021-12-15 13:03:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2021-12-15 13:03:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2021-12-15 13:03:45,272 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:45,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:46,442 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:46,458 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:46,458 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:46,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:46 BoogieIcfgContainer [2021-12-15 13:03:46,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:46,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:46,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:46,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:46,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:43" (1/3) ... [2021-12-15 13:03:46,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f41bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:46, skipping insertion in model container [2021-12-15 13:03:46,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:44" (2/3) ... [2021-12-15 13:03:46,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f41bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:46, skipping insertion in model container [2021-12-15 13:03:46,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:46" (3/3) ... [2021-12-15 13:03:46,468 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:03:46,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:46,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:46,504 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:46,509 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:03:46,509 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 701 states, 534 states have (on average 1.4400749063670413) internal successors, (769), 543 states have internal predecessors, (769), 123 states have call successors, (123), 42 states have call predecessors, (123), 42 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-15 13:03:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-15 13:03:46,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:46,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:46,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:46,546 INFO L85 PathProgramCache]: Analyzing trace with hash -404759991, now seen corresponding path program 1 times [2021-12-15 13:03:46,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:03:46,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023073610] [2021-12-15 13:03:46,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:46,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:03:46,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:03:46,621 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:03:46,629 INFO L158 Benchmark]: Toolchain (without parser) took 3116.23ms. Allocated memory was 94.4MB in the beginning and 151.0MB in the end (delta: 56.6MB). Free memory was 57.0MB in the beginning and 60.3MB in the end (delta: -3.3MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,629 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:46,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.46ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 85.9MB in the end (delta: -29.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.49ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 76.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,631 INFO L158 Benchmark]: Boogie Preprocessor took 123.80ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 64.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,634 INFO L158 Benchmark]: RCFGBuilder took 1647.48ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 78.2MB in the end (delta: -13.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,635 INFO L158 Benchmark]: TraceAbstraction took 163.54ms. Allocated memory is still 151.0MB. Free memory was 77.1MB in the beginning and 60.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:03:46,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 50.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.46ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 56.8MB in the beginning and 85.9MB in the end (delta: -29.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.49ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 76.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.80ms. Allocated memory is still 119.5MB. Free memory was 76.2MB in the beginning and 64.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.48ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 64.2MB in the beginning and 78.2MB in the end (delta: -13.9MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * TraceAbstraction took 163.54ms. Allocated memory is still 151.0MB. Free memory was 77.1MB in the beginning and 60.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:03:46,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:48,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:48,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:48,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:48,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:48,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:48,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:48,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:48,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:48,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:48,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:48,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:48,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:48,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:48,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:48,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:48,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:48,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:48,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:48,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:48,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:48,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:48,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:48,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:48,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:48,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:48,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:48,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:48,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:48,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:48,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:48,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:48,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:48,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:48,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:48,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:48,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:48,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:48,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:48,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:48,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:48,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:03:48,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:48,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:48,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:48,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:48,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:48,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:48,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:48,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:48,552 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:48,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:03:48,553 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:48,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:48,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:48,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:48,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:48,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:48,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:03:48,576 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef [2021-12-15 13:03:48,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:48,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:48,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:48,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:48,892 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:48,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:03:48,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fe388f/e0976117faac4ff38c34d4f7ee9c7c0b/FLAGbd9b0d40c [2021-12-15 13:03:49,529 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:49,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:03:49,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fe388f/e0976117faac4ff38c34d4f7ee9c7c0b/FLAGbd9b0d40c [2021-12-15 13:03:49,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d7fe388f/e0976117faac4ff38c34d4f7ee9c7c0b [2021-12-15 13:03:49,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:49,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:49,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:49,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:49,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:49,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:49" (1/1) ... [2021-12-15 13:03:49,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f75d237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:49, skipping insertion in model container [2021-12-15 13:03:49,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:49" (1/1) ... [2021-12-15 13:03:49,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:49,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:50,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-12-15 13:03:50,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:50,575 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:03:50,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:50,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-12-15 13:03:50,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:50,788 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:50,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-12-15 13:03:50,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:50,988 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:50,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50 WrapperNode [2021-12-15 13:03:50,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:50,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:50,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:50,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:50,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,123 INFO L137 Inliner]: procedures = 159, calls = 620, calls flagged for inlining = 43, calls inlined = 43, statements flattened = 1638 [2021-12-15 13:03:51,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:51,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:51,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:51,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:51,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:51,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:51,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:51,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:51,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (1/1) ... [2021-12-15 13:03:51,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:51,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:03:51,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:03:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2021-12-15 13:03:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2021-12-15 13:03:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2021-12-15 13:03:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2021-12-15 13:03:51,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2021-12-15 13:03:51,342 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2021-12-15 13:03:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:03:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:03:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2021-12-15 13:03:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2021-12-15 13:03:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2021-12-15 13:03:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:03:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2021-12-15 13:03:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:03:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:03:51,347 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:03:51,347 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_6 [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_6 [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2021-12-15 13:03:51,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pccard_static_ops_release_7 [2021-12-15 13:03:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pccard_static_ops_release_7 [2021-12-15 13:03:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2021-12-15 13:03:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2021-12-15 13:03:51,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2021-12-15 13:03:51,718 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:51,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:04:10,739 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:04:10,793 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:04:10,795 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:04:10,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:10 BoogieIcfgContainer [2021-12-15 13:04:10,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:04:10,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:04:10,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:04:10,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:04:10,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:49" (1/3) ... [2021-12-15 13:04:10,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7968c785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:10, skipping insertion in model container [2021-12-15 13:04:10,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:50" (2/3) ... [2021-12-15 13:04:10,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7968c785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:04:10, skipping insertion in model container [2021-12-15 13:04:10,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:04:10" (3/3) ... [2021-12-15 13:04:10,809 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-12-15 13:04:10,813 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:04:10,813 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:04:10,866 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:04:10,872 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:04:10,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:04:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 687 states, 526 states have (on average 1.4429657794676807) internal successors, (759), 535 states have internal predecessors, (759), 119 states have call successors, (119), 40 states have call predecessors, (119), 40 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2021-12-15 13:04:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-15 13:04:10,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:04:10,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:04:10,921 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:04:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:04:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1758687234, now seen corresponding path program 1 times [2021-12-15 13:04:10,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:04:10,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863186879] [2021-12-15 13:04:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:04:10,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:04:10,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:04:10,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:04:10,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:04:11,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:04:11,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:04:11,331 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:04:11,334 INFO L158 Benchmark]: Toolchain (without parser) took 21597.06ms. Allocated memory was 60.8MB in the beginning and 157.3MB in the end (delta: 96.5MB). Free memory was 40.4MB in the beginning and 81.4MB in the end (delta: -41.0MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,335 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.0MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:04:11,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.13ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 40.3MB in the beginning and 53.7MB in the end (delta: -13.5MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.79ms. Allocated memory is still 109.1MB. Free memory was 53.7MB in the beginning and 65.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,336 INFO L158 Benchmark]: Boogie Preprocessor took 128.52ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 52.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,336 INFO L158 Benchmark]: RCFGBuilder took 19545.75ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 52.4MB in the beginning and 103.6MB in the end (delta: -51.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,336 INFO L158 Benchmark]: TraceAbstraction took 532.62ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 81.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 13:04:11,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.0MB in the end (delta: 60.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.13ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 40.3MB in the beginning and 53.7MB in the end (delta: -13.5MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.79ms. Allocated memory is still 109.1MB. Free memory was 53.7MB in the beginning and 65.5MB in the end (delta: -11.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.52ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 52.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 19545.75ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 52.4MB in the beginning and 103.6MB in the end (delta: -51.2MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * TraceAbstraction took 532.62ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 81.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:04:11,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable