./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-paride-pt.ko.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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.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 671af7025688a85dc58586e59527b3b4b3d5de3bc6e704e61fc885445c7de2bb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:11,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:11,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:11,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:11,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:11,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:11,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:11,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:11,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:11,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:11,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:11,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:11,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:11,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:11,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:11,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:11,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:11,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:11,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:11,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:11,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:11,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:11,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:11,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:11,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:11,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:11,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:11,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:11,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:11,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:11,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:11,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:11,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:11,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:11,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:11,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:11,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:11,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:11,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:11,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:11,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:11,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:33:11,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:11,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:11,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:11,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:11,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:11,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:11,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:11,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:11,626 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:11,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:11,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:33:11,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:11,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:11,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:11,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:11,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:11,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:11,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:11,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:11,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:11,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:11,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:11,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:11,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:11,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:11,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:33:11,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:33:11,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:11,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:11,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:11,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:11,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 671af7025688a85dc58586e59527b3b4b3d5de3bc6e704e61fc885445c7de2bb [2021-12-15 12:33:11,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:11,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:11,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:11,826 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:11,826 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:11,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:11,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd1c197/7d33c993563d4a90adad72e7dcda8aee/FLAG912c83b2b [2021-12-15 12:33:12,376 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:12,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:12,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd1c197/7d33c993563d4a90adad72e7dcda8aee/FLAG912c83b2b [2021-12-15 12:33:12,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ebd1c197/7d33c993563d4a90adad72e7dcda8aee [2021-12-15 12:33:12,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:12,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:12,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:12,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:12,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:12,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ebbad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:12, skipping insertion in model container [2021-12-15 12:33:12,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:12" (1/1) ... [2021-12-15 12:33:12,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:12,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:13,700 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i[119206,119219] [2021-12-15 12:33:13,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:13,747 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:13,923 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i[119206,119219] [2021-12-15 12:33:13,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:13,991 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:13,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13 WrapperNode [2021-12-15 12:33:13,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:13,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:13,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:13,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:13,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,120 INFO L137 Inliner]: procedures = 103, calls = 743, calls flagged for inlining = 32, calls inlined = 30, statements flattened = 1547 [2021-12-15 12:33:14,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:14,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:14,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:14,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:14,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:14,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:14,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:14,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:14,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (1/1) ... [2021-12-15 12:33:14,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:14,262 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 12:33:14,268 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 12:33:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 12:33:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 12:33:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 12:33:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 12:33:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 12:33:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 12:33:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 12:33:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 12:33:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-15 12:33:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-15 12:33:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:33:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 12:33:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 12:33:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 12:33:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 12:33:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2021-12-15 12:33:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2021-12-15 12:33:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2021-12-15 12:33:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2021-12-15 12:33:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2021-12-15 12:33:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2021-12-15 12:33:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2021-12-15 12:33:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2021-12-15 12:33:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:33:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2021-12-15 12:33:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2021-12-15 12:33:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2021-12-15 12:33:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2021-12-15 12:33:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2021-12-15 12:33:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2021-12-15 12:33:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 12:33:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 12:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:33:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 12:33:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 12:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2021-12-15 12:33:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2021-12-15 12:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2021-12-15 12:33:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2021-12-15 12:33:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2021-12-15 12:33:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2021-12-15 12:33:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 12:33:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 12:33:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 12:33:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 12:33:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 12:33:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 12:33:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 12:33:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 12:33:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2021-12-15 12:33:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2021-12-15 12:33:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 12:33:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 12:33:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-15 12:33:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-15 12:33:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2021-12-15 12:33:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2021-12-15 12:33:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:33:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2021-12-15 12:33:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2021-12-15 12:33:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2021-12-15 12:33:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2021-12-15 12:33:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 12:33:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 12:33:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:14,634 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:14,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:18,605 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:18,609 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:18,610 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:19,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume false; [2021-12-15 12:33:19,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-12-15 12:33:19,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2021-12-15 12:33:19,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2021-12-15 12:33:19,522 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false;call ULTIMATE.dealloc(pt_ioctl_~#mtop~0#1.base, pt_ioctl_~#mtop~0#1.offset);havoc pt_ioctl_~#mtop~0#1.base, pt_ioctl_~#mtop~0#1.offset; [2021-12-15 12:33:19,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !false; [2021-12-15 12:33:19,561 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:19,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:19,569 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 12:33:19,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:19 BoogieIcfgContainer [2021-12-15 12:33:19,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:19,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:19,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:19,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:19,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:12" (1/3) ... [2021-12-15 12:33:19,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aec2374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:19, skipping insertion in model container [2021-12-15 12:33:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:13" (2/3) ... [2021-12-15 12:33:19,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aec2374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:19, skipping insertion in model container [2021-12-15 12:33:19,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:19" (3/3) ... [2021-12-15 12:33:19,577 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:19,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:19,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:19,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:19,622 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 12:33:19,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:19,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 438 states have (on average 1.3493150684931507) internal successors, (591), 455 states have internal predecessors, (591), 153 states have call successors, (153), 40 states have call predecessors, (153), 40 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2021-12-15 12:33:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 12:33:19,646 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:19,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:19,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:19,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2012061376, now seen corresponding path program 1 times [2021-12-15 12:33:19,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:33:19,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59049704] [2021-12-15 12:33:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:19,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:33:19,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:33:19,713 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 12:33:19,718 INFO L158 Benchmark]: Toolchain (without parser) took 6811.77ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 79.9MB in the beginning and 41.7MB in the end (delta: 38.2MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,718 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:19,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.43ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 72.9MB in the end (delta: 6.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.35ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 64.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,719 INFO L158 Benchmark]: Boogie Preprocessor took 104.82ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 54.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,720 INFO L158 Benchmark]: RCFGBuilder took 5341.39ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 54.2MB in the beginning and 56.4MB in the end (delta: -2.3MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,720 INFO L158 Benchmark]: TraceAbstraction took 143.98ms. Allocated memory is still 180.4MB. Free memory was 56.4MB in the beginning and 41.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:33:19,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.43ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 72.9MB in the end (delta: 6.7MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.35ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 64.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.82ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 54.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5341.39ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 54.2MB in the beginning and 56.4MB in the end (delta: -2.3MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * TraceAbstraction took 143.98ms. Allocated memory is still 180.4MB. Free memory was 56.4MB in the beginning and 41.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:19,787 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.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 671af7025688a85dc58586e59527b3b4b3d5de3bc6e704e61fc885445c7de2bb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:33:21,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:33:21,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:33:21,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:33:21,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:33:21,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:33:21,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:33:21,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:33:21,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:33:21,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:33:21,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:33:21,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:33:21,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:33:21,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:33:21,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:33:21,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:33:21,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:33:21,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:33:21,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:33:21,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:33:21,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:33:21,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:33:21,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:33:21,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:33:21,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:33:21,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:33:21,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:33:21,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:33:21,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:33:21,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:33:21,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:33:21,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:33:21,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:33:21,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:33:21,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:33:21,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:33:21,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:33:21,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:33:21,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:33:21,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:33:21,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:33:21,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:33:21,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:33:21,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:33:21,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:33:21,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:33:21,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:33:21,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:33:21,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:33:21,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:33:21,853 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:33:21,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:33:21,854 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:33:21,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:33:21,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:21,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:33:21,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:33:21,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:33:21,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:33:21,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:33:21,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:33:21,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 671af7025688a85dc58586e59527b3b4b3d5de3bc6e704e61fc885445c7de2bb [2021-12-15 12:33:22,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:33:22,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:33:22,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:33:22,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:33:22,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:33:22,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:22,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c00f187/6ce93c73701d41db98585f9bcc8f9bd6/FLAG751bbb7df [2021-12-15 12:33:22,786 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:33:22,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:22,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c00f187/6ce93c73701d41db98585f9bcc8f9bd6/FLAG751bbb7df [2021-12-15 12:33:23,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64c00f187/6ce93c73701d41db98585f9bcc8f9bd6 [2021-12-15 12:33:23,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:33:23,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:33:23,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:23,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:33:23,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:33:23,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6801d451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:23, skipping insertion in model container [2021-12-15 12:33:23,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:33:23" (1/1) ... [2021-12-15 12:33:23,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:33:23,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:24,119 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i[119206,119219] [2021-12-15 12:33:24,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:24,176 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:33:24,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:33:24,376 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i[119206,119219] [2021-12-15 12:33:24,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:24,400 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:33:24,601 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-linux-3.0/module_get_put-drivers-block-paride-pt.ko.cil.out.i[119206,119219] [2021-12-15 12:33:24,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:33:24,651 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:33:24,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24 WrapperNode [2021-12-15 12:33:24,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:33:24,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:24,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:33:24,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:33:24,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,834 INFO L137 Inliner]: procedures = 111, calls = 743, calls flagged for inlining = 32, calls inlined = 30, statements flattened = 1499 [2021-12-15 12:33:24,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:33:24,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:33:24,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:33:24,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:33:24,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:33:24,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:33:24,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:33:24,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:33:24,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (1/1) ... [2021-12-15 12:33:24,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:33:24,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:33:25,010 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 12:33:25,031 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 12:33:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-12-15 12:33:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-12-15 12:33:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-12-15 12:33:25,048 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-12-15 12:33:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:33:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-12-15 12:33:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-12-15 12:33:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-12-15 12:33:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-12-15 12:33:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:33:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:33:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-15 12:33:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-15 12:33:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2021-12-15 12:33:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2021-12-15 12:33:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-12-15 12:33:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-12-15 12:33:25,050 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2021-12-15 12:33:25,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2021-12-15 12:33:25,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:33:25,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:33:25,052 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2021-12-15 12:33:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2021-12-15 12:33:25,052 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2021-12-15 12:33:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2021-12-15 12:33:25,052 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2021-12-15 12:33:25,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2021-12-15 12:33:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:33:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:33:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:33:25,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:33:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:33:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2021-12-15 12:33:25,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2021-12-15 12:33:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2021-12-15 12:33:25,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2021-12-15 12:33:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2021-12-15 12:33:25,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2021-12-15 12:33:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:33:25,055 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:33:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:33:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 12:33:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 12:33:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-15 12:33:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-15 12:33:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:33:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:33:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-12-15 12:33:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-12-15 12:33:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2021-12-15 12:33:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2021-12-15 12:33:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:33:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2021-12-15 12:33:25,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2021-12-15 12:33:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2021-12-15 12:33:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2021-12-15 12:33:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-15 12:33:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-15 12:33:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:33:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:33:25,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:33:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-12-15 12:33:25,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-12-15 12:33:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:33:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:33:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:33:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-12-15 12:33:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-12-15 12:33:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-12-15 12:33:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-12-15 12:33:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:33:25,062 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:33:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:33:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:33:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2021-12-15 12:33:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2021-12-15 12:33:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:33:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-12-15 12:33:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-12-15 12:33:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-15 12:33:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-15 12:33:25,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:33:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:33:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2021-12-15 12:33:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2021-12-15 12:33:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2021-12-15 12:33:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2021-12-15 12:33:25,065 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2021-12-15 12:33:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2021-12-15 12:33:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:33:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:33:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:33:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:33:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-12-15 12:33:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-12-15 12:33:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:33:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:33:25,445 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:33:25,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:33:41,323 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:41,328 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:41,328 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:33:52,420 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##203: assume false; [2021-12-15 12:33:52,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-12-15 12:33:52,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2021-12-15 12:33:52,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2021-12-15 12:33:52,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false;call ULTIMATE.dealloc(pt_ioctl_~#mtop~0#1.base, pt_ioctl_~#mtop~0#1.offset);havoc pt_ioctl_~#mtop~0#1.base, pt_ioctl_~#mtop~0#1.offset; [2021-12-15 12:33:52,421 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##204: assume !false; [2021-12-15 12:33:52,668 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:33:52,708 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:33:52,708 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 12:33:52,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:52 BoogieIcfgContainer [2021-12-15 12:33:52,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:33:52,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:33:52,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:33:52,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:33:52,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:33:23" (1/3) ... [2021-12-15 12:33:52,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bf873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:52, skipping insertion in model container [2021-12-15 12:33:52,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:33:24" (2/3) ... [2021-12-15 12:33:52,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bf873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:33:52, skipping insertion in model container [2021-12-15 12:33:52,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:33:52" (3/3) ... [2021-12-15 12:33:52,715 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-paride-pt.ko.cil.out.i [2021-12-15 12:33:52,723 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:33:52,723 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:33:52,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:33:52,784 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 12:33:52,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:33:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 629 states, 438 states have (on average 1.3493150684931507) internal successors, (591), 455 states have internal predecessors, (591), 153 states have call successors, (153), 40 states have call predecessors, (153), 40 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2021-12-15 12:33:52,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-15 12:33:52,824 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:33:52,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:33:52,825 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:33:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:33:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2012061376, now seen corresponding path program 1 times [2021-12-15 12:33:52,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:33:52,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022140935] [2021-12-15 12:33:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:33:52,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:33:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:33:52,846 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 12:33:52,848 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 12:33:52,991 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 12:33:53,186 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 12:33:53,187 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 12:33:53,191 INFO L158 Benchmark]: Toolchain (without parser) took 29936.38ms. Allocated memory was 52.4MB in the beginning and 144.7MB in the end (delta: 92.3MB). Free memory was 23.1MB in the beginning and 79.9MB in the end (delta: -56.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,192 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:33:53,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.98ms. Allocated memory was 52.4MB in the beginning and 81.8MB in the end (delta: 29.4MB). Free memory was 22.9MB in the beginning and 31.3MB in the end (delta: -8.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.24ms. Allocated memory is still 81.8MB. Free memory was 31.3MB in the beginning and 43.2MB in the end (delta: -11.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,195 INFO L158 Benchmark]: Boogie Preprocessor took 123.97ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 33.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,196 INFO L158 Benchmark]: RCFGBuilder took 27749.70ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 32.7MB in the beginning and 100.1MB in the end (delta: -67.4MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,196 INFO L158 Benchmark]: TraceAbstraction took 478.93ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 79.9MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:33:53,199 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 52.4MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.98ms. Allocated memory was 52.4MB in the beginning and 81.8MB in the end (delta: 29.4MB). Free memory was 22.9MB in the beginning and 31.3MB in the end (delta: -8.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.24ms. Allocated memory is still 81.8MB. Free memory was 31.3MB in the beginning and 43.2MB in the end (delta: -11.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.97ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 33.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 27749.70ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 32.7MB in the beginning and 100.1MB in the end (delta: -67.4MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * TraceAbstraction took 478.93ms. Allocated memory is still 144.7MB. Free memory was 99.1MB in the beginning and 79.9MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:33:53,309 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