./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--pf.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--pf.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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:11,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:11,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:11,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:11,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:11,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:11,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:11,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:11,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:11,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:11,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:11,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:11,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:11,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:11,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:11,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:11,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:11,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:11,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:11,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:11,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:11,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:11,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:11,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:11,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:11,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:11,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:11,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:11,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:11,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:11,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:11,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:11,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:11,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:11,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:11,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:11,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:11,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:11,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:11,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:11,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:11,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:11,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:11,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:11,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:11,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:11,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:11,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:11,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:11,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:11,332 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:11,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:11,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:11,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:11,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:11,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:11,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:11,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:11,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:11,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:11,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:11,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:11,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:11,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:11,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:11,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:11,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:11,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:11,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:11,336 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:11,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:11,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:11,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:11,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2021-12-15 13:02:11,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:11,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:11,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:11,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:11,600 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:11,602 INFO L432 ainManager$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--pf.ko-main.cil.out.i [2021-12-15 13:02:11,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbf6ee16/513ae7cd2bd646fbbe8a994648880b24/FLAGc021599df [2021-12-15 13:02:12,318 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:12,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-12-15 13:02:12,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbf6ee16/513ae7cd2bd646fbbe8a994648880b24/FLAGc021599df [2021-12-15 13:02:12,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbf6ee16/513ae7cd2bd646fbbe8a994648880b24 [2021-12-15 13:02:12,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:12,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:12,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:12,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:12,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:12,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:12" (1/1) ... [2021-12-15 13:02:12,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9d9777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:12, skipping insertion in model container [2021-12-15 13:02:12,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:12" (1/1) ... [2021-12-15 13:02:12,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:12,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:13,321 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--pf.ko-main.cil.out.i[138616,138629] [2021-12-15 13:02:13,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:13,396 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:13,577 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--pf.ko-main.cil.out.i[138616,138629] [2021-12-15 13:02:13,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:13,642 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:13,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13 WrapperNode [2021-12-15 13:02:13,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:13,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:13,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:13,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:13,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,805 INFO L137 Inliner]: procedures = 161, calls = 836, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1112 [2021-12-15 13:02:13,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:13,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:13,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:13,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:13,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:13,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:13,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:13,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:13,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (1/1) ... [2021-12-15 13:02:13,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:13,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:13,954 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 13:02:13,967 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 13:02:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2021-12-15 13:02:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2021-12-15 13:02:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:13,991 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:13,992 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:02:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2021-12-15 13:02:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2021-12-15 13:02:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2021-12-15 13:02:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2021-12-15 13:02:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 13:02:13,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 13:02:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2021-12-15 13:02:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2021-12-15 13:02:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:13,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2021-12-15 13:02:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2021-12-15 13:02:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2021-12-15 13:02:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2021-12-15 13:02:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-15 13:02:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-15 13:02:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-15 13:02:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-15 13:02:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2021-12-15 13:02:13,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2021-12-15 13:02:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2021-12-15 13:02:13,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2021-12-15 13:02:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:13,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2021-12-15 13:02:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2021-12-15 13:02:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2021-12-15 13:02:13,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2021-12-15 13:02:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2021-12-15 13:02:14,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2021-12-15 13:02:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2021-12-15 13:02:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2021-12-15 13:02:14,002 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2021-12-15 13:02:14,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2021-12-15 13:02:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2021-12-15 13:02:14,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2021-12-15 13:02:14,003 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:14,004 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:14,004 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:02:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:02:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2021-12-15 13:02:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2021-12-15 13:02:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2021-12-15 13:02:14,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2021-12-15 13:02:14,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2021-12-15 13:02:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2021-12-15 13:02:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:14,007 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:14,007 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:14,008 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2021-12-15 13:02:14,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2021-12-15 13:02:14,400 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:14,403 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:18,739 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:18,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:18,754 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 13:02:18,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:18 BoogieIcfgContainer [2021-12-15 13:02:18,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:18,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:18,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:18,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:18,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:12" (1/3) ... [2021-12-15 13:02:18,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bb8c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:18, skipping insertion in model container [2021-12-15 13:02:18,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:13" (2/3) ... [2021-12-15 13:02:18,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72bb8c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:18, skipping insertion in model container [2021-12-15 13:02:18,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:18" (3/3) ... [2021-12-15 13:02:18,767 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-12-15 13:02:18,773 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:18,773 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:18,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:18,834 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 13:02:18,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 500 states, 351 states have (on average 1.339031339031339) internal successors, (470), 365 states have internal predecessors, (470), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2021-12-15 13:02:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:18,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:18,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:18,869 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:18,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1807402522, now seen corresponding path program 1 times [2021-12-15 13:02:18,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:18,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542109633] [2021-12-15 13:02:18,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:18,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:18,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:18,986 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 13:02:18,991 INFO L158 Benchmark]: Toolchain (without parser) took 6511.67ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 77.5MB in the beginning and 106.0MB in the end (delta: -28.5MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,992 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:18,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1163.22ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 44.7MB in the end (delta: 32.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.56ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 44.7MB in the beginning and 113.4MB in the end (delta: -68.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,994 INFO L158 Benchmark]: Boogie Preprocessor took 99.77ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 103.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,995 INFO L158 Benchmark]: RCFGBuilder took 4851.73ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 67.2MB in the end (delta: 36.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,995 INFO L158 Benchmark]: TraceAbstraction took 229.40ms. Allocated memory is still 161.5MB. Free memory was 67.2MB in the beginning and 106.0MB in the end (delta: -38.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:18,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1163.22ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 44.7MB in the end (delta: 32.5MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.56ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 44.7MB in the beginning and 113.4MB in the end (delta: -68.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.77ms. Allocated memory is still 161.5MB. Free memory was 113.4MB in the beginning and 103.7MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4851.73ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 67.2MB in the end (delta: 36.5MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * TraceAbstraction took 229.40ms. Allocated memory is still 161.5MB. Free memory was 67.2MB in the beginning and 106.0MB in the end (delta: -38.8MB). 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 13:02:19,026 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--pf.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 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:20,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:20,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:20,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:20,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:20,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:20,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:20,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:20,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:20,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:20,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:20,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:20,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:20,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:20,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:20,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:20,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:20,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:20,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:20,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:20,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:20,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:20,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:20,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:20,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:20,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:20,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:20,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:20,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:20,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:20,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:20,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:20,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:20,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:20,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:20,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:20,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:20,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:20,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:20,998 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:20,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:21,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:21,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:21,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:21,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:21,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:21,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:21,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:21,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:21,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:21,039 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:21,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:21,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:21,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:21,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:21,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:21,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:21,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:21,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:21,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:21,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:21,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:21,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:21,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:21,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:21,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:21,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:21,043 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:21,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:21,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:21,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:21,044 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65cc93bea37c503291576929a444106bffa9d5b7b84b8d294ee7e7120b60ffa5 [2021-12-15 13:02:21,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:21,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:21,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:21,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:21,372 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:21,373 INFO L432 ainManager$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--pf.ko-main.cil.out.i [2021-12-15 13:02:21,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5f372e8/bbb23785b02244759cdedf466500ee69/FLAG7d0b6f296 [2021-12-15 13:02:22,124 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:22,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-12-15 13:02:22,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5f372e8/bbb23785b02244759cdedf466500ee69/FLAG7d0b6f296 [2021-12-15 13:02:22,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5f372e8/bbb23785b02244759cdedf466500ee69 [2021-12-15 13:02:22,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:22,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:22,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:22,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:22,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:22,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:22" (1/1) ... [2021-12-15 13:02:22,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a45d3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:22, skipping insertion in model container [2021-12-15 13:02:22,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:22" (1/1) ... [2021-12-15 13:02:22,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:22,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:23,422 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--pf.ko-main.cil.out.i[138616,138629] [2021-12-15 13:02:23,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:23,568 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:23,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:23,764 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--pf.ko-main.cil.out.i[138616,138629] [2021-12-15 13:02:23,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:23,797 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:23,960 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--pf.ko-main.cil.out.i[138616,138629] [2021-12-15 13:02:23,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:24,041 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:24,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24 WrapperNode [2021-12-15 13:02:24,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:24,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:24,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:24,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:24,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,208 INFO L137 Inliner]: procedures = 172, calls = 836, calls flagged for inlining = 53, calls inlined = 28, statements flattened = 1087 [2021-12-15 13:02:24,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:24,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:24,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:24,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:24,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:24,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:24,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:24,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:24,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:24,425 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 13:02:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure pf_getgeo [2021-12-15 13:02:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_getgeo [2021-12-15 13:02:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pf_mutex [2021-12-15 13:02:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pf_mutex [2021-12-15 13:02:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:02:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2021-12-15 13:02:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2021-12-15 13:02:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 13:02:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 13:02:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2021-12-15 13:02:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2021-12-15 13:02:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pf_mutex [2021-12-15 13:02:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pf_mutex [2021-12-15 13:02:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure pf_check_events [2021-12-15 13:02:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_check_events [2021-12-15 13:02:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-15 13:02:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-15 13:02:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:02:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-15 13:02:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-15 13:02:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2021-12-15 13:02:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2021-12-15 13:02:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2021-12-15 13:02:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2021-12-15 13:02:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2021-12-15 13:02:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2021-12-15 13:02:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2021-12-15 13:02:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2021-12-15 13:02:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2021-12-15 13:02:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2021-12-15 13:02:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2021-12-15 13:02:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2021-12-15 13:02:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2021-12-15 13:02:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2021-12-15 13:02:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2021-12-15 13:02:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2021-12-15 13:02:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:02:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:02:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:24,455 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 13:02:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:02:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:02:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2021-12-15 13:02:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2021-12-15 13:02:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2021-12-15 13:02:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2021-12-15 13:02:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2021-12-15 13:02:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2021-12-15 13:02:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure pf_ioctl [2021-12-15 13:02:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_ioctl [2021-12-15 13:02:24,880 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:24,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:44,692 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:44,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:44,725 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-15 13:02:44,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:44 BoogieIcfgContainer [2021-12-15 13:02:44,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:44,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:44,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:44,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:44,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:22" (1/3) ... [2021-12-15 13:02:44,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5087bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:44, skipping insertion in model container [2021-12-15 13:02:44,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24" (2/3) ... [2021-12-15 13:02:44,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5087bbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:44, skipping insertion in model container [2021-12-15 13:02:44,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:44" (3/3) ... [2021-12-15 13:02:44,736 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pf.ko-main.cil.out.i [2021-12-15 13:02:44,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:44,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:44,790 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:44,797 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 13:02:44,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 500 states, 351 states have (on average 1.339031339031339) internal successors, (470), 365 states have internal predecessors, (470), 112 states have call successors, (112), 37 states have call predecessors, (112), 37 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2021-12-15 13:02:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:44,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:44,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:44,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:44,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:44,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1807402522, now seen corresponding path program 1 times [2021-12-15 13:02:44,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:02:44,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408245869] [2021-12-15 13:02:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:44,868 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:02:44,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:02:44,871 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 13:02:44,873 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 13:02:45,057 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 13:02:45,254 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 13:02:45,255 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 13:02:45,260 INFO L158 Benchmark]: Toolchain (without parser) took 22842.45ms. Allocated memory was 56.6MB in the beginning and 155.2MB in the end (delta: 98.6MB). Free memory was 28.8MB in the beginning and 89.4MB in the end (delta: -60.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,260 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:45,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1638.72ms. Allocated memory was 56.6MB in the beginning and 104.9MB in the end (delta: 48.2MB). Free memory was 28.6MB in the beginning and 54.4MB in the end (delta: -25.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.89ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 46.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,261 INFO L158 Benchmark]: Boogie Preprocessor took 146.17ms. Allocated memory is still 104.9MB. Free memory was 46.8MB in the beginning and 52.4MB in the end (delta: -5.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,262 INFO L158 Benchmark]: RCFGBuilder took 20372.72ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 52.3MB in the beginning and 110.6MB in the end (delta: -58.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,262 INFO L158 Benchmark]: TraceAbstraction took 527.26ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 89.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:45,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1638.72ms. Allocated memory was 56.6MB in the beginning and 104.9MB in the end (delta: 48.2MB). Free memory was 28.6MB in the beginning and 54.4MB in the end (delta: -25.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.89ms. Allocated memory is still 104.9MB. Free memory was 54.4MB in the beginning and 46.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.17ms. Allocated memory is still 104.9MB. Free memory was 46.8MB in the beginning and 52.4MB in the end (delta: -5.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * RCFGBuilder took 20372.72ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 52.3MB in the beginning and 110.6MB in the end (delta: -58.3MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * TraceAbstraction took 527.26ms. Allocated memory is still 155.2MB. Free memory was 109.6MB in the beginning and 89.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. 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 13:02:45,328 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