./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.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--block--paride--pg.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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:12,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:12,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:12,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:12,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:12,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:12,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:12,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:12,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:12,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:12,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:12,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:12,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:12,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:12,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:12,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:12,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:12,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:12,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:12,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:12,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:12,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:12,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:12,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:12,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:12,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:12,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:12,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:12,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:12,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:12,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:12,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:12,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:12,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:12,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:12,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:12,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:12,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:12,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:12,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:12,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:12,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:12,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:12,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:12,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:12,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:12,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:12,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:12,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:12,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:12,360 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:12,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:12,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:12,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:12,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:12,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:12,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:12,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:12,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:12,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:12,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:12,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:12,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:12,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:12,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:12,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:12,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:12,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:12,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-12-15 13:02:12,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:12,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:12,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:12,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:12,583 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:12,584 INFO L432 ainManager$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--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:12,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44587b9c2/b1f65bc0d7454265a3c93eb21df50674/FLAGf35eb8d5e [2021-12-15 13:02:13,195 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:13,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:13,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44587b9c2/b1f65bc0d7454265a3c93eb21df50674/FLAGf35eb8d5e [2021-12-15 13:02:13,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44587b9c2/b1f65bc0d7454265a3c93eb21df50674 [2021-12-15 13:02:13,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:13,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:13,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:13,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:13,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:13,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cb2ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13, skipping insertion in model container [2021-12-15 13:02:13,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:13,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:14,212 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--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-12-15 13:02:14,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:14,285 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:14,406 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--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-12-15 13:02:14,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:14,442 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:14,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14 WrapperNode [2021-12-15 13:02:14,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:14,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:14,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:14,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:14,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,546 INFO L137 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1088 [2021-12-15 13:02:14,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:14,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:14,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:14,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:14,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:14,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:14,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:14,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:14,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:14,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:14,707 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 13:02:14,718 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 13:02:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-12-15 13:02:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-12-15 13:02:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-12-15 13:02:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-12-15 13:02:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:02:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:02:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-12-15 13:02:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-12-15 13:02:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:02:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:02:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:02:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:02:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-12-15 13:02:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-12-15 13:02:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 13:02:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 13:02:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-12-15 13:02:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-12-15 13:02:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:02:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-12-15 13:02:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-12-15 13:02:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-12-15 13:02:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-12-15 13:02:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:02:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:02:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-12-15 13:02:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-12-15 13:02:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-12-15 13:02:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-12-15 13:02:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:02:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:02:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:15,021 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:15,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:15,996 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:16,003 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:16,004 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:02:16,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:16 BoogieIcfgContainer [2021-12-15 13:02:16,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:16,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:16,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:16,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:16,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:13" (1/3) ... [2021-12-15 13:02:16,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51afa5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:16, skipping insertion in model container [2021-12-15 13:02:16,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14" (2/3) ... [2021-12-15 13:02:16,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51afa5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:16, skipping insertion in model container [2021-12-15 13:02:16,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:16" (3/3) ... [2021-12-15 13:02:16,011 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:16,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:16,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:16,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:16,050 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 13:02:16,050 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 336 states have (on average 1.3571428571428572) internal successors, (456), 346 states have internal predecessors, (456), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-15 13:02:16,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:16,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:16,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:16,073 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:16,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1794190865, now seen corresponding path program 1 times [2021-12-15 13:02:16,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:16,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50835413] [2021-12-15 13:02:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:16,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:16,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:16,142 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 13:02:16,145 INFO L158 Benchmark]: Toolchain (without parser) took 2528.99ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 63.4MB in the beginning and 86.3MB in the end (delta: -23.0MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,146 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:16,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.39ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.1MB in the beginning and 74.8MB in the end (delta: -11.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.08ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 67.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,147 INFO L158 Benchmark]: Boogie Preprocessor took 135.17ms. Allocated memory is still 130.0MB. Free memory was 67.1MB in the beginning and 88.3MB in the end (delta: -21.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,148 INFO L158 Benchmark]: RCFGBuilder took 1322.16ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 87.6MB in the beginning and 100.0MB in the end (delta: -12.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,148 INFO L158 Benchmark]: TraceAbstraction took 137.53ms. Allocated memory is still 178.3MB. Free memory was 100.0MB in the beginning and 86.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:02:16,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.39ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 63.1MB in the beginning and 74.8MB in the end (delta: -11.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.08ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 67.1MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.17ms. Allocated memory is still 130.0MB. Free memory was 67.1MB in the beginning and 88.3MB in the end (delta: -21.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1322.16ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 87.6MB in the beginning and 100.0MB in the end (delta: -12.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 137.53ms. Allocated memory is still 178.3MB. Free memory was 100.0MB in the beginning and 86.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. 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 13:02:16,178 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--block--paride--pg.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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:17,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:17,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:17,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:17,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:17,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:17,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:17,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:17,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:17,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:17,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:17,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:17,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:17,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:17,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:17,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:17,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:17,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:17,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:17,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:17,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:17,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:17,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:17,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:17,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:17,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:17,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:17,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:17,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:17,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:17,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:17,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:17,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:17,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:17,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:17,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:17,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:17,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:17,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:17,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:17,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:17,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:17,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:17,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:17,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:17,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:17,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:17,863 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:17,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:17,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:17,864 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:17,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:17,865 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:17,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:17,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:17,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:17,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:17,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:17,867 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:17,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:17,867 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:17,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:17,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:17,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:17,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:17,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-12-15 13:02:18,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:18,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:18,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:18,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:18,146 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:18,147 INFO L432 ainManager$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--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:18,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05917f03e/18f3aafa4a1b4311bc0e3736e29d4e53/FLAGb47cde3ab [2021-12-15 13:02:18,767 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:18,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:18,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05917f03e/18f3aafa4a1b4311bc0e3736e29d4e53/FLAGb47cde3ab [2021-12-15 13:02:19,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05917f03e/18f3aafa4a1b4311bc0e3736e29d4e53 [2021-12-15 13:02:19,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:19,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:19,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:19,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:19,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:19,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:19" (1/1) ... [2021-12-15 13:02:19,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682e6554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:19, skipping insertion in model container [2021-12-15 13:02:19,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:19" (1/1) ... [2021-12-15 13:02:19,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:19,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:19,930 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--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-12-15 13:02:19,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:20,008 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:20,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:20,152 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--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-12-15 13:02:20,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:20,173 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:20,362 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--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-12-15 13:02:20,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:20,411 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:20,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20 WrapperNode [2021-12-15 13:02:20,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:20,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:20,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:20,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:20,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,521 INFO L137 Inliner]: procedures = 139, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1045 [2021-12-15 13:02:20,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:20,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:20,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:20,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:20,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:20,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:20,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:20,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:20,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (1/1) ... [2021-12-15 13:02:20,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:20,692 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 13:02:20,711 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 13:02:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-12-15 13:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-12-15 13:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-12-15 13:02:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-12-15 13:02:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 13:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 13:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-12-15 13:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-12-15 13:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-12-15 13:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-12-15 13:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 13:02:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-12-15 13:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-12-15 13:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:02:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-12-15 13:02:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-12-15 13:02:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-12-15 13:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-12-15 13:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:21,013 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:21,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:29,717 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:29,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:29,729 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:02:29,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:29 BoogieIcfgContainer [2021-12-15 13:02:29,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:29,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:29,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:29,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:29,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:19" (1/3) ... [2021-12-15 13:02:29,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7190dcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:29, skipping insertion in model container [2021-12-15 13:02:29,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:20" (2/3) ... [2021-12-15 13:02:29,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7190dcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:29, skipping insertion in model container [2021-12-15 13:02:29,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:29" (3/3) ... [2021-12-15 13:02:29,739 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-12-15 13:02:29,743 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:29,743 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:29,788 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:29,795 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 13:02:29,795 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 336 states have (on average 1.3571428571428572) internal successors, (456), 346 states have internal predecessors, (456), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-15 13:02:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:29,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:29,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:29,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1794190865, now seen corresponding path program 1 times [2021-12-15 13:02:29,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:02:29,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038664976] [2021-12-15 13:02:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:29,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:02:29,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:02:29,850 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 13:02:29,852 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 13:02:30,015 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 13:02:30,201 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 13:02:30,202 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 13:02:30,207 INFO L158 Benchmark]: Toolchain (without parser) took 10961.37ms. Allocated memory was 58.7MB in the beginning and 148.9MB in the end (delta: 90.2MB). Free memory was 39.8MB in the beginning and 80.4MB in the end (delta: -40.6MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,207 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 28.2MB in the beginning and 28.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:30,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1166.75ms. Allocated memory was 58.7MB in the beginning and 102.8MB in the end (delta: 44.0MB). Free memory was 39.6MB in the beginning and 51.3MB in the end (delta: -11.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.48ms. Allocated memory is still 102.8MB. Free memory was 50.8MB in the beginning and 43.6MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,211 INFO L158 Benchmark]: Boogie Preprocessor took 133.24ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 58.8MB in the end (delta: -15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,212 INFO L158 Benchmark]: RCFGBuilder took 9076.51ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 99.4MB in the end (delta: -40.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,212 INFO L158 Benchmark]: TraceAbstraction took 471.78ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 80.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:30,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 46.1MB. Free memory was 28.2MB in the beginning and 28.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1166.75ms. Allocated memory was 58.7MB in the beginning and 102.8MB in the end (delta: 44.0MB). Free memory was 39.6MB in the beginning and 51.3MB in the end (delta: -11.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.48ms. Allocated memory is still 102.8MB. Free memory was 50.8MB in the beginning and 43.6MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.24ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 58.8MB in the end (delta: -15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9076.51ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 99.4MB in the end (delta: -40.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * TraceAbstraction took 471.78ms. Allocated memory is still 148.9MB. Free memory was 98.4MB in the beginning and 80.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. 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 13:02:30,299 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable