./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--pcd.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--pcd.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 f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:06,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:06,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:06,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:06,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:06,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:06,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:06,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:06,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:06,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:06,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:06,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:06,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:06,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:06,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:06,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:06,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:06,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:06,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:06,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:06,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:06,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:06,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:06,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:06,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:06,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:06,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:06,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:06,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:06,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:06,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:06,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:06,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:07,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:07,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:07,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:07,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:07,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:07,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:07,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:07,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:07,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:02:07,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:07,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:07,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:07,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:07,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:07,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:07,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:07,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:07,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:07,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:07,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:07,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:07,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:07,038 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:07,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2021-12-15 13:02:07,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:07,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:07,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:07,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:07,261 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:07,262 INFO L432 ainManager$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--pcd.ko-main.cil.out.i [2021-12-15 13:02:07,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0980b76a/e2b1d4b9cc3b4e09bf5aea59788c72a8/FLAG12df83db5 [2021-12-15 13:02:07,950 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:07,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2021-12-15 13:02:07,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0980b76a/e2b1d4b9cc3b4e09bf5aea59788c72a8/FLAG12df83db5 [2021-12-15 13:02:08,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0980b76a/e2b1d4b9cc3b4e09bf5aea59788c72a8 [2021-12-15 13:02:08,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:08,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:08,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:08,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:08,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:08,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:08" (1/1) ... [2021-12-15 13:02:08,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a08b668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:08, skipping insertion in model container [2021-12-15 13:02:08,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:08" (1/1) ... [2021-12-15 13:02:08,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:08,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:08,994 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--pcd.ko-main.cil.out.i[148417,148430] [2021-12-15 13:02:09,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:09,059 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:09,229 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--pcd.ko-main.cil.out.i[148417,148430] [2021-12-15 13:02:09,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:09,294 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:09,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09 WrapperNode [2021-12-15 13:02:09,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:09,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:09,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:09,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:09,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,427 INFO L137 Inliner]: procedures = 167, calls = 920, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 1903 [2021-12-15 13:02:09,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:09,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:09,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:09,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:09,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:09,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:09,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:09,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:09,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (1/1) ... [2021-12-15 13:02:09,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:09,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:09,629 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 13:02:09,648 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 13:02:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2021-12-15 13:02:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2021-12-15 13:02:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:09,660 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2021-12-15 13:02:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2021-12-15 13:02:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:09,661 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:02:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2021-12-15 13:02:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2021-12-15 13:02:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2021-12-15 13:02:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2021-12-15 13:02:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:02:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:02:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:02:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2021-12-15 13:02:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2021-12-15 13:02:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:02:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:02:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-15 13:02:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-15 13:02:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2021-12-15 13:02:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2021-12-15 13:02:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2021-12-15 13:02:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2021-12-15 13:02:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:02:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2021-12-15 13:02:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2021-12-15 13:02:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2021-12-15 13:02:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2021-12-15 13:02:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-15 13:02:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-15 13:02:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2021-12-15 13:02:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2021-12-15 13:02:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:02:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:02:09,667 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2021-12-15 13:02:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2021-12-15 13:02:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2021-12-15 13:02:09,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2021-12-15 13:02:09,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2021-12-15 13:02:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2021-12-15 13:02:09,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2021-12-15 13:02:09,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2021-12-15 13:02:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2021-12-15 13:02:09,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2021-12-15 13:02:09,670 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-12-15 13:02:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-12-15 13:02:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:02:09,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:02:09,671 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2021-12-15 13:02:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2021-12-15 13:02:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2021-12-15 13:02:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2021-12-15 13:02:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2021-12-15 13:02:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2021-12-15 13:02:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:09,672 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2021-12-15 13:02:09,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2021-12-15 13:02:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2021-12-15 13:02:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2021-12-15 13:02:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:02:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:02:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-15 13:02:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-15 13:02:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2021-12-15 13:02:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2021-12-15 13:02:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:02:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2021-12-15 13:02:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2021-12-15 13:02:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:02:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2021-12-15 13:02:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2021-12-15 13:02:09,964 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:09,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:13,444 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:13,452 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:13,453 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 13:02:13,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:13 BoogieIcfgContainer [2021-12-15 13:02:13,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:13,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:13,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:13,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:13,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:08" (1/3) ... [2021-12-15 13:02:13,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d59da8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:13, skipping insertion in model container [2021-12-15 13:02:13,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:09" (2/3) ... [2021-12-15 13:02:13,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d59da8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:13, skipping insertion in model container [2021-12-15 13:02:13,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:13" (3/3) ... [2021-12-15 13:02:13,460 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2021-12-15 13:02:13,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:13,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:13,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:13,501 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 13:02:13,502 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 738 states, 535 states have (on average 1.3757009345794393) internal successors, (736), 559 states have internal predecessors, (736), 160 states have call successors, (160), 46 states have call predecessors, (160), 46 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2021-12-15 13:02:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:13,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:13,530 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:13,530 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:13,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:13,534 INFO L85 PathProgramCache]: Analyzing trace with hash -956014282, now seen corresponding path program 1 times [2021-12-15 13:02:13,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:02:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961483734] [2021-12-15 13:02:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:13,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:02:13,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:02:13,600 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 13:02:13,604 INFO L158 Benchmark]: Toolchain (without parser) took 5288.80ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 52.6MB in the beginning and 50.2MB in the end (delta: 2.3MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,604 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:13,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 981.70ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 58.4MB in the end (delta: -5.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.83ms. Allocated memory is still 115.3MB. Free memory was 58.4MB in the beginning and 47.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,606 INFO L158 Benchmark]: Boogie Preprocessor took 162.79ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 47.4MB in the beginning and 99.9MB in the end (delta: -52.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,606 INFO L158 Benchmark]: RCFGBuilder took 3862.12ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 67.0MB in the end (delta: 32.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,607 INFO L158 Benchmark]: TraceAbstraction took 147.12ms. Allocated memory is still 157.3MB. Free memory was 67.0MB in the beginning and 50.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:13,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 981.70ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 58.4MB in the end (delta: -5.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.83ms. Allocated memory is still 115.3MB. Free memory was 58.4MB in the beginning and 47.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.79ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 47.4MB in the beginning and 99.9MB in the end (delta: -52.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3862.12ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 67.0MB in the end (delta: 32.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 147.12ms. Allocated memory is still 157.3MB. Free memory was 67.0MB in the beginning and 50.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:02:13,638 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 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--pcd.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 f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:02:15,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:02:15,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:02:15,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:02:15,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:02:15,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:02:15,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:02:15,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:02:15,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:02:15,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:02:15,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:02:15,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:02:15,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:02:15,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:02:15,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:02:15,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:02:15,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:02:15,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:02:15,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:02:15,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:02:15,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:02:15,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:02:15,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:02:15,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:02:15,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:02:15,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:02:15,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:02:15,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:02:15,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:02:15,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:02:15,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:02:15,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:02:15,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:02:15,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:02:15,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:02:15,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:02:15,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:02:15,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:02:15,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:02:15,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:02:15,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:02:15,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:02:15,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:02:15,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:02:15,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:02:15,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:02:15,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:02:15,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:02:15,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:02:15,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:02:15,471 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:02:15,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:02:15,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:02:15,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:02:15,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:02:15,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:02:15,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:02:15,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:02:15,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:02:15,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:15,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:02:15,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:02:15,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:02:15,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:02:15,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f37aa3f5f53d7516c3aab2329ab9f19add00a9b7f37383228b3b0ae48d55a761 [2021-12-15 13:02:15,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:02:15,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:02:15,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:02:15,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:02:15,762 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:02:15,763 INFO L432 ainManager$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--pcd.ko-main.cil.out.i [2021-12-15 13:02:15,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a687fe648/64209348e63e45feb07b0395605b0dcd/FLAG82cc96d6f [2021-12-15 13:02:16,390 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:02:16,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2021-12-15 13:02:16,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a687fe648/64209348e63e45feb07b0395605b0dcd/FLAG82cc96d6f [2021-12-15 13:02:16,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a687fe648/64209348e63e45feb07b0395605b0dcd [2021-12-15 13:02:16,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:02:16,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:02:16,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:16,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:02:16,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:02:16,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:16" (1/1) ... [2021-12-15 13:02:16,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32572b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:16, skipping insertion in model container [2021-12-15 13:02:16,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:02:16" (1/1) ... [2021-12-15 13:02:16,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:02:16,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:17,659 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--pcd.ko-main.cil.out.i[148417,148430] [2021-12-15 13:02:17,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:17,767 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:02:17,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:02:17,963 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--pcd.ko-main.cil.out.i[148417,148430] [2021-12-15 13:02:17,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:18,001 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:02:18,151 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--pcd.ko-main.cil.out.i[148417,148430] [2021-12-15 13:02:18,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:02:18,217 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:02:18,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18 WrapperNode [2021-12-15 13:02:18,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:02:18,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:18,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:02:18,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:02:18,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,319 INFO L137 Inliner]: procedures = 181, calls = 920, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 1840 [2021-12-15 13:02:18,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:02:18,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:02:18,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:02:18,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:02:18,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:02:18,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:02:18,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:02:18,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:02:18,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (1/1) ... [2021-12-15 13:02:18,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:02:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:02:18,525 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 13:02:18,548 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 13:02:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_request [2021-12-15 13:02:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_request [2021-12-15 13:02:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 13:02:18,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 13:02:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 13:02:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 13:02:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_audio_ioctl [2021-12-15 13:02:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_audio_ioctl [2021-12-15 13:02:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:02:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 13:02:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 13:02:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 13:02:18,552 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2021-12-15 13:02:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_packet [2021-12-15 13:02:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_packet [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:02:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_status [2021-12-15 13:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_status [2021-12-15 13:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 13:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 13:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-15 13:02:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-15 13:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_tray_move [2021-12-15 13:02:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_tray_move [2021-12-15 13:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure do_pcd_read [2021-12-15 13:02:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pcd_read [2021-12-15 13:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:02:18,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_check_events [2021-12-15 13:02:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_check_events [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:02:18,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:02:18,556 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_lock_door [2021-12-15 13:02:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_lock_door [2021-12-15 13:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-15 13:02:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-15 13:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:02:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_check_events [2021-12-15 13:02:18,557 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_check_events [2021-12-15 13:02:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:02:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_sleep [2021-12-15 13:02:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_sleep [2021-12-15 13:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_wait [2021-12-15 13:02:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_wait [2021-12-15 13:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_atapi [2021-12-15 13:02:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_atapi [2021-12-15 13:02:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pcd_mutex [2021-12-15 13:02:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pcd_mutex [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_get_mcn [2021-12-15 13:02:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_get_mcn [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 13:02:18,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:02:18,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_identify [2021-12-15 13:02:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_identify [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-12-15 13:02:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:02:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:02:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_probe [2021-12-15 13:02:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_probe [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_command [2021-12-15 13:02:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_command [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_completion [2021-12-15 13:02:18,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_completion [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:02:18,561 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_drive_reset [2021-12-15 13:02:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_drive_reset [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 13:02:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 13:02:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:02:18,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:02:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 13:02:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 13:02:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pcd_mutex [2021-12-15 13:02:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pcd_mutex [2021-12-15 13:02:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-15 13:02:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-15 13:02:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:02:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-15 13:02:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-15 13:02:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_reset [2021-12-15 13:02:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_reset [2021-12-15 13:02:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:02:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pcd_block_ioctl [2021-12-15 13:02:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pcd_block_ioctl [2021-12-15 13:02:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:02:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:02:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2021-12-15 13:02:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_do_claimed [2021-12-15 13:02:19,039 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:02:19,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:02:56,200 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:02:56,210 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:02:56,211 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-15 13:02:56,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:56 BoogieIcfgContainer [2021-12-15 13:02:56,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:02:56,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:02:56,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:02:56,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:02:56,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:02:16" (1/3) ... [2021-12-15 13:02:56,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0320b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:56, skipping insertion in model container [2021-12-15 13:02:56,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:02:18" (2/3) ... [2021-12-15 13:02:56,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0320b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:02:56, skipping insertion in model container [2021-12-15 13:02:56,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:02:56" (3/3) ... [2021-12-15 13:02:56,220 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pcd.ko-main.cil.out.i [2021-12-15 13:02:56,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:02:56,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:02:56,277 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:02:56,282 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 13:02:56,283 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:02:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 738 states, 535 states have (on average 1.3757009345794393) internal successors, (736), 559 states have internal predecessors, (736), 160 states have call successors, (160), 46 states have call predecessors, (160), 46 states have return successors, (160), 155 states have call predecessors, (160), 160 states have call successors, (160) [2021-12-15 13:02:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-15 13:02:56,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:02:56,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:02:56,315 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:02:56,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:02:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash -956014282, now seen corresponding path program 1 times [2021-12-15 13:02:56,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:02:56,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895645687] [2021-12-15 13:02:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:02:56,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:02:56,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:02:56,331 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 13:02:56,334 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 13:02:56,538 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 13:02:56,728 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 13:02:56,729 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 13:02:56,733 INFO L158 Benchmark]: Toolchain (without parser) took 39886.16ms. Allocated memory was 67.1MB in the beginning and 144.7MB in the end (delta: 77.6MB). Free memory was 40.8MB in the beginning and 41.3MB in the end (delta: -545.9kB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,733 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:02:56,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.34ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 40.7MB in the beginning and 55.5MB in the end (delta: -14.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.25ms. Allocated memory is still 107.0MB. Free memory was 55.1MB in the beginning and 44.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,735 INFO L158 Benchmark]: Boogie Preprocessor took 174.00ms. Allocated memory is still 107.0MB. Free memory was 44.3MB in the beginning and 46.6MB in the end (delta: -2.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,735 INFO L158 Benchmark]: RCFGBuilder took 37718.77ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 46.6MB in the beginning and 65.4MB in the end (delta: -18.8MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,735 INFO L158 Benchmark]: TraceAbstraction took 517.59ms. Allocated memory is still 144.7MB. Free memory was 65.4MB in the beginning and 41.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 13:02:56,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.34ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 40.7MB in the beginning and 55.5MB in the end (delta: -14.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.25ms. Allocated memory is still 107.0MB. Free memory was 55.1MB in the beginning and 44.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.00ms. Allocated memory is still 107.0MB. Free memory was 44.3MB in the beginning and 46.6MB in the end (delta: -2.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * RCFGBuilder took 37718.77ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 46.6MB in the beginning and 65.4MB in the end (delta: -18.8MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * TraceAbstraction took 517.59ms. Allocated memory is still 144.7MB. Free memory was 65.4MB in the beginning and 41.3MB in the end (delta: 24.1MB). 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 13:02:56,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable