./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--pt.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--pt.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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:12,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:12,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:12,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:12,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:12,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:12,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:12,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:12,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:12,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:12,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:12,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:12,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:12,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:12,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:12,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:12,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:12,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:12,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:12,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:12,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:13,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:13,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:13,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:13,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:13,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:13,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:13,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:13,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:13,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:13,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:13,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:13,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:13,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:13,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:13,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:13,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:13,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:13,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:13,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:13,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:13,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:13,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:13,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:13,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:13,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:13,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:13,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:13,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:13,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:13,067 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:13,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:13,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:13,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:13,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:13,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:13,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:13,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:13,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:13,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:13,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:13,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:13,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:13,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:13,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:13,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:13,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:13,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:13,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2021-12-15 13:02:13,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:13,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:13,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:13,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:13,452 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:13,452 INFO L432 ainManager$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--pt.ko-main.cil.out.i [2021-12-15 13:02:13,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdbc755e/c9e22c066be74321884d08f2f1c01284/FLAGd9025c64b [2021-12-15 13:02:14,179 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:14,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2021-12-15 13:02:14,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdbc755e/c9e22c066be74321884d08f2f1c01284/FLAGd9025c64b [2021-12-15 13:02:14,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bdbc755e/c9e22c066be74321884d08f2f1c01284 [2021-12-15 13:02:14,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:14,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:14,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:14,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:14,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:14,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342b09ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:14, skipping insertion in model container [2021-12-15 13:02:14,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:14" (1/1) ... [2021-12-15 13:02:14,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:14,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:15,131 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--pt.ko-main.cil.out.i[119285,119298] [2021-12-15 13:02:15,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:15,211 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:15,379 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--pt.ko-main.cil.out.i[119285,119298] [2021-12-15 13:02:15,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:15,432 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:15,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15 WrapperNode [2021-12-15 13:02:15,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:15,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:15,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:15,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:15,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,550 INFO L137 Inliner]: procedures = 144, calls = 800, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1426 [2021-12-15 13:02:15,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:15,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:15,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:15,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:15,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:15,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:15,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:15,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:15,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (1/1) ... [2021-12-15 13:02:15,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:15,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:15,651 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 13:02:15,708 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 13:02:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2021-12-15 13:02:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2021-12-15 13:02:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 13:02:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 13:02:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2021-12-15 13:02:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2021-12-15 13:02:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2021-12-15 13:02:15,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2021-12-15 13:02:15,725 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2021-12-15 13:02:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2021-12-15 13:02:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2021-12-15 13:02:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2021-12-15 13:02:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2021-12-15 13:02:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2021-12-15 13:02:15,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2021-12-15 13:02:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2021-12-15 13:02:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2021-12-15 13:02:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2021-12-15 13:02:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2021-12-15 13:02:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2021-12-15 13:02:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2021-12-15 13:02:15,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2021-12-15 13:02:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:02:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:02:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2021-12-15 13:02:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2021-12-15 13:02:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:02:15,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:02:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:15,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 13:02:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 13:02:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2021-12-15 13:02:15,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2021-12-15 13:02:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2021-12-15 13:02:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2021-12-15 13:02:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2021-12-15 13:02:15,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2021-12-15 13:02:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:02:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:02:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:02:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:02:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2021-12-15 13:02:15,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2021-12-15 13:02:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-15 13:02:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-15 13:02:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2021-12-15 13:02:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2021-12-15 13:02:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2021-12-15 13:02:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2021-12-15 13:02:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2021-12-15 13:02:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2021-12-15 13:02:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:02:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:02:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:15,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:15,993 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:15,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:21,278 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:21,286 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:21,286 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 13:02:21,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:21 BoogieIcfgContainer [2021-12-15 13:02:21,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:21,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:21,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:21,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:21,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:14" (1/3) ... [2021-12-15 13:02:21,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e5bed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:21, skipping insertion in model container [2021-12-15 13:02:21,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:15" (2/3) ... [2021-12-15 13:02:21,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e5bed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:21, skipping insertion in model container [2021-12-15 13:02:21,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:21" (3/3) ... [2021-12-15 13:02:21,306 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2021-12-15 13:02:21,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:21,309 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:21,340 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:21,344 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 13:02:21,345 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 674 states, 467 states have (on average 1.3533190578158458) internal successors, (632), 489 states have internal predecessors, (632), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2021-12-15 13:02:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 13:02:21,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:21,369 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:21,370 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:21,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:21,373 INFO L85 PathProgramCache]: Analyzing trace with hash 334168328, now seen corresponding path program 1 times [2021-12-15 13:02:21,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:21,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229857299] [2021-12-15 13:02:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:21,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:21,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:21,435 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 13:02:21,439 INFO L158 Benchmark]: Toolchain (without parser) took 6934.34ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 102.7MB in the beginning and 75.1MB in the end (delta: 27.7MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,439 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:21,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 929.62ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 49.4MB in the end (delta: 53.1MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.28ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 104.9MB in the end (delta: -55.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,441 INFO L158 Benchmark]: Boogie Preprocessor took 63.45ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,441 INFO L158 Benchmark]: RCFGBuilder took 5673.04ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 94.4MB in the beginning and 90.8MB in the end (delta: 3.6MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,441 INFO L158 Benchmark]: TraceAbstraction took 148.82ms. Allocated memory is still 188.7MB. Free memory was 90.8MB in the beginning and 75.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:21,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 929.62ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 49.4MB in the end (delta: 53.1MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.28ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 104.9MB in the end (delta: -55.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.45ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 94.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5673.04ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 94.4MB in the beginning and 90.8MB in the end (delta: 3.6MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * TraceAbstraction took 148.82ms. Allocated memory is still 188.7MB. Free memory was 90.8MB in the beginning and 75.1MB in the end (delta: 15.7MB). 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 13:02:21,481 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--pt.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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:23,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:23,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:23,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:23,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:23,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:23,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:23,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:23,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:23,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:23,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:23,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:23,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:23,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:23,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:23,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:23,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:23,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:23,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:23,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:23,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:23,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:23,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:23,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:23,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:23,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:23,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:23,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:23,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:23,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:23,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:23,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:23,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:23,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:23,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:23,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:23,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:23,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:23,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:23,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:23,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:23,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:23,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:23,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:23,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:23,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:23,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:23,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:23,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:23,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:23,325 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:23,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:23,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:23,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:23,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:23,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:23,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:23,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:23,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:23,328 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:23,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:23,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2021-12-15 13:02:23,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:23,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:23,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:23,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:23,624 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:23,625 INFO L432 ainManager$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--pt.ko-main.cil.out.i [2021-12-15 13:02:23,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc9811b/563d045b5cf84f3caa22468b98e8dd3c/FLAG461d142a6 [2021-12-15 13:02:24,174 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:24,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2021-12-15 13:02:24,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc9811b/563d045b5cf84f3caa22468b98e8dd3c/FLAG461d142a6 [2021-12-15 13:02:24,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fc9811b/563d045b5cf84f3caa22468b98e8dd3c [2021-12-15 13:02:24,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:24,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:24,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:24,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:24,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:24,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140b76fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:24, skipping insertion in model container [2021-12-15 13:02:24,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:24" (1/1) ... [2021-12-15 13:02:24,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:24,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:25,357 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--pt.ko-main.cil.out.i[119285,119298] [2021-12-15 13:02:25,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:25,432 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:25,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:25,608 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--pt.ko-main.cil.out.i[119285,119298] [2021-12-15 13:02:25,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:25,633 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:25,751 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--pt.ko-main.cil.out.i[119285,119298] [2021-12-15 13:02:25,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:25,799 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:25,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25 WrapperNode [2021-12-15 13:02:25,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:25,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:25,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:25,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:25,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,926 INFO L137 Inliner]: procedures = 152, calls = 800, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 1381 [2021-12-15 13:02:25,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:25,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:25,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:25,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:25,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:25,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:26,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:26,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:26,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:26,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:26,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (1/1) ... [2021-12-15 13:02:26,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:26,031 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 13:02:26,059 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 13:02:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:26,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2021-12-15 13:02:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2021-12-15 13:02:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:02:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 13:02:26,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 13:02:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2021-12-15 13:02:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2021-12-15 13:02:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2021-12-15 13:02:26,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2021-12-15 13:02:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2021-12-15 13:02:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2021-12-15 13:02:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2021-12-15 13:02:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2021-12-15 13:02:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2021-12-15 13:02:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2021-12-15 13:02:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:02:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:02:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2021-12-15 13:02:26,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2021-12-15 13:02:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:26,108 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2021-12-15 13:02:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2021-12-15 13:02:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2021-12-15 13:02:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 13:02:26,109 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:26,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2021-12-15 13:02:26,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2021-12-15 13:02:26,110 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:02:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:02:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:26,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:26,111 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 13:02:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2021-12-15 13:02:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2021-12-15 13:02:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2021-12-15 13:02:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 13:02:26,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 13:02:26,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 13:02:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 13:02:26,113 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:26,113 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2021-12-15 13:02:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2021-12-15 13:02:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:26,114 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-15 13:02:26,114 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-15 13:02:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2021-12-15 13:02:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2021-12-15 13:02:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2021-12-15 13:02:26,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2021-12-15 13:02:26,115 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2021-12-15 13:02:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2021-12-15 13:02:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 13:02:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 13:02:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 13:02:26,116 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 13:02:26,437 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:26,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:53,711 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:53,722 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:53,722 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 13:02:53,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:53 BoogieIcfgContainer [2021-12-15 13:02:53,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:53,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:53,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:53,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:53,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:24" (1/3) ... [2021-12-15 13:02:53,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6547f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:53, skipping insertion in model container [2021-12-15 13:02:53,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:25" (2/3) ... [2021-12-15 13:02:53,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6547f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:53, skipping insertion in model container [2021-12-15 13:02:53,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:53" (3/3) ... [2021-12-15 13:02:53,740 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2021-12-15 13:02:53,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:53,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:53,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:53,792 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 13:02:53,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 674 states, 467 states have (on average 1.3533190578158458) internal successors, (632), 489 states have internal predecessors, (632), 167 states have call successors, (167), 42 states have call predecessors, (167), 42 states have return successors, (167), 167 states have call predecessors, (167), 167 states have call successors, (167) [2021-12-15 13:02:53,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-15 13:02:53,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:53,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:53,837 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:53,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:53,841 INFO L85 PathProgramCache]: Analyzing trace with hash 334168328, now seen corresponding path program 1 times [2021-12-15 13:02:53,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:02:53,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028641778] [2021-12-15 13:02:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:53,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:02:53,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:02:53,858 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 13:02:53,859 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 13:02:54,029 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 13:02:54,222 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 13:02:54,223 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 13:02:54,227 INFO L158 Benchmark]: Toolchain (without parser) took 29815.20ms. Allocated memory was 56.6MB in the beginning and 176.2MB in the end (delta: 119.5MB). Free memory was 29.8MB in the beginning and 47.4MB in the end (delta: -17.7MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,228 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:54,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1387.01ms. Allocated memory was 56.6MB in the beginning and 113.2MB in the end (delta: 56.6MB). Free memory was 29.6MB in the beginning and 67.8MB in the end (delta: -38.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.34ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 59.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,229 INFO L158 Benchmark]: Boogie Preprocessor took 73.25ms. Allocated memory is still 113.2MB. Free memory was 59.0MB in the beginning and 47.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,229 INFO L158 Benchmark]: RCFGBuilder took 27717.53ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 47.8MB in the beginning and 70.0MB in the end (delta: -22.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,230 INFO L158 Benchmark]: TraceAbstraction took 495.71ms. Allocated memory is still 176.2MB. Free memory was 70.0MB in the beginning and 47.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 13:02:54,245 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 56.6MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1387.01ms. Allocated memory was 56.6MB in the beginning and 113.2MB in the end (delta: 56.6MB). Free memory was 29.6MB in the beginning and 67.8MB in the end (delta: -38.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.34ms. Allocated memory is still 113.2MB. Free memory was 67.8MB in the beginning and 59.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.25ms. Allocated memory is still 113.2MB. Free memory was 59.0MB in the beginning and 47.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 27717.53ms. Allocated memory was 113.2MB in the beginning and 176.2MB in the end (delta: 62.9MB). Free memory was 47.8MB in the beginning and 70.0MB in the end (delta: -22.2MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * TraceAbstraction took 495.71ms. Allocated memory is still 176.2MB. Free memory was 70.0MB in the beginning and 47.4MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:02:54,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable