./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:22,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:22,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:22,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:22,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:22,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:22,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:22,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:22,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:22,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:22,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:22,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:22,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:22,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:22,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:22,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:22,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:22,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:22,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:22,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:22,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:22,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:22,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:22,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:22,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:22,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:22,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:22,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:22,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:22,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:22,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:22,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:22,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:22,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:22,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:22,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:22,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:22,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:22,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:22,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:22,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:22,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:03:22,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:22,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:22,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:22,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:22,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:22,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:22,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:22,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:22,965 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:22,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:22,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:22,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:22,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:22,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:22,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:22,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:22,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:22,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:22,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:22,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 [2021-12-15 13:03:23,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:23,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:23,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:23,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:23,189 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:23,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:23,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497eabbd4/8473cd51f0a448c0b458699b61d06154/FLAG0b2cfb146 [2021-12-15 13:03:23,852 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:23,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:23,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497eabbd4/8473cd51f0a448c0b458699b61d06154/FLAG0b2cfb146 [2021-12-15 13:03:24,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/497eabbd4/8473cd51f0a448c0b458699b61d06154 [2021-12-15 13:03:24,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:24,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:24,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:24,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:24,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:24,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:24" (1/1) ... [2021-12-15 13:03:24,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:24, skipping insertion in model container [2021-12-15 13:03:24,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:24" (1/1) ... [2021-12-15 13:03:24,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:24,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:25,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2021-12-15 13:03:25,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:25,087 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:25,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2021-12-15 13:03:25,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:25,246 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:25,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25 WrapperNode [2021-12-15 13:03:25,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:25,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:25,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:25,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:25,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,398 INFO L137 Inliner]: procedures = 128, calls = 740, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 2000 [2021-12-15 13:03:25,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:25,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:25,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:25,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:25,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:25,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:25,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:25,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:25,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (1/1) ... [2021-12-15 13:03:25,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:25,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:03:25,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:03:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:03:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:03:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2021-12-15 13:03:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2021-12-15 13:03:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-15 13:03:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-15 13:03:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:03:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-15 13:03:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-15 13:03:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2021-12-15 13:03:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2021-12-15 13:03:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2021-12-15 13:03:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2021-12-15 13:03:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:03:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:03:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:03:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 13:03:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 13:03:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-15 13:03:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-15 13:03:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2021-12-15 13:03:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2021-12-15 13:03:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-15 13:03:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-15 13:03:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2021-12-15 13:03:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 13:03:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-15 13:03:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-15 13:03:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-15 13:03:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-15 13:03:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-15 13:03:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-15 13:03:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:03:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:03:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-15 13:03:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2021-12-15 13:03:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2021-12-15 13:03:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-15 13:03:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-15 13:03:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 13:03:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 13:03:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2021-12-15 13:03:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2021-12-15 13:03:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:03:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2021-12-15 13:03:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2021-12-15 13:03:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2021-12-15 13:03:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2021-12-15 13:03:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2021-12-15 13:03:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2021-12-15 13:03:25,833 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:25,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:26,772 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:26,785 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:26,786 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:26,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:26 BoogieIcfgContainer [2021-12-15 13:03:26,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:26,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:26,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:26,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:26,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:24" (1/3) ... [2021-12-15 13:03:26,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9007447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:26, skipping insertion in model container [2021-12-15 13:03:26,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:25" (2/3) ... [2021-12-15 13:03:26,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9007447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:26, skipping insertion in model container [2021-12-15 13:03:26,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:26" (3/3) ... [2021-12-15 13:03:26,796 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:26,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:26,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:26,844 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:26,850 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:03:26,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 402 states have (on average 1.271144278606965) internal successors, (511), 412 states have internal predecessors, (511), 174 states have call successors, (174), 28 states have call predecessors, (174), 28 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2021-12-15 13:03:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 13:03:26,891 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:26,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:26,892 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash -838784516, now seen corresponding path program 1 times [2021-12-15 13:03:26,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:03:26,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067109043] [2021-12-15 13:03:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:26,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:03:26,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:03:26,976 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:03:26,981 INFO L158 Benchmark]: Toolchain (without parser) took 2705.58ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 98.6MB in the beginning and 79.9MB in the end (delta: 18.7MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,981 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 110.7MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:26,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 972.49ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 56.5MB in the end (delta: 42.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.75ms. Allocated memory is still 140.5MB. Free memory was 56.5MB in the beginning and 103.5MB in the end (delta: -47.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,983 INFO L158 Benchmark]: Boogie Preprocessor took 100.00ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 92.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,984 INFO L158 Benchmark]: RCFGBuilder took 1289.50ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 92.9MB in the beginning and 95.6MB in the end (delta: -2.7MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,987 INFO L158 Benchmark]: TraceAbstraction took 188.29ms. Allocated memory is still 195.0MB. Free memory was 94.6MB in the beginning and 79.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:03:26,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 110.7MB in the beginning and 110.7MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 972.49ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 56.5MB in the end (delta: 42.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.75ms. Allocated memory is still 140.5MB. Free memory was 56.5MB in the beginning and 103.5MB in the end (delta: -47.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.00ms. Allocated memory is still 140.5MB. Free memory was 103.5MB in the beginning and 92.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1289.50ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 92.9MB in the beginning and 95.6MB in the end (delta: -2.7MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * TraceAbstraction took 188.29ms. Allocated memory is still 195.0MB. Free memory was 94.6MB in the beginning and 79.9MB 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 13:03:27,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:29,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:29,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:29,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:29,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:29,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:29,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:29,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:29,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:29,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:29,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:29,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:29,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:29,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:29,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:29,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:29,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:29,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:29,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:29,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:29,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:29,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:29,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:29,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:29,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:29,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:29,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:29,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:29,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:29,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:29,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:29,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:29,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:29,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:29,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:29,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:29,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:29,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:29,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:29,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:29,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:29,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:03:29,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:29,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:29,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:29,350 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:29,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:29,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:29,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:29,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:29,352 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:29,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:29,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:29,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:29,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:29,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:29,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:29,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:29,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:29,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:29,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:29,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:29,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:29,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:29,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:29,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:03:29,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 [2021-12-15 13:03:29,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:29,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:29,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:29,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:29,628 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:29,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:29,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95305b7d6/5fb72893beab4349a7ea4e3cd6d5d335/FLAGf140c6919 [2021-12-15 13:03:30,256 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:30,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:30,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95305b7d6/5fb72893beab4349a7ea4e3cd6d5d335/FLAGf140c6919 [2021-12-15 13:03:30,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95305b7d6/5fb72893beab4349a7ea4e3cd6d5d335 [2021-12-15 13:03:30,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:30,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:30,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:30,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:30,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:30,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:30" (1/1) ... [2021-12-15 13:03:30,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c2b606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:30, skipping insertion in model container [2021-12-15 13:03:30,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:30" (1/1) ... [2021-12-15 13:03:30,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:30,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:31,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2021-12-15 13:03:31,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:31,462 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:03:31,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:31,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2021-12-15 13:03:31,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:31,635 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:31,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2021-12-15 13:03:31,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:31,796 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:31,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31 WrapperNode [2021-12-15 13:03:31,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:31,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:31,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:31,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:31,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,924 INFO L137 Inliner]: procedures = 137, calls = 740, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 1889 [2021-12-15 13:03:31,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:31,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:31,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:31,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:31,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:31,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:32,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:32,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:32,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:32,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:32,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:32,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:32,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (1/1) ... [2021-12-15 13:03:32,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:32,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:32,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 13:03:32,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 13:03:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:03:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:03:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:03:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:03:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:03:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2021-12-15 13:03:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2021-12-15 13:03:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-15 13:03:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-15 13:03:32,074 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-15 13:03:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-15 13:03:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2021-12-15 13:03:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2021-12-15 13:03:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2021-12-15 13:03:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2021-12-15 13:03:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:03:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:03:32,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 13:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 13:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-15 13:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-15 13:03:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2021-12-15 13:03:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2021-12-15 13:03:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-15 13:03:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-15 13:03:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2021-12-15 13:03:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2021-12-15 13:03:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 13:03:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 13:03:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-15 13:03:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-15 13:03:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-15 13:03:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-15 13:03:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-15 13:03:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-15 13:03:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-15 13:03:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-15 13:03:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-15 13:03:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2021-12-15 13:03:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-15 13:03:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-15 13:03:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 13:03:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2021-12-15 13:03:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2021-12-15 13:03:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2021-12-15 13:03:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2021-12-15 13:03:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2021-12-15 13:03:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2021-12-15 13:03:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2021-12-15 13:03:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2021-12-15 13:03:32,346 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:32,347 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:37,702 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:37,716 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:37,716 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:37,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:37 BoogieIcfgContainer [2021-12-15 13:03:37,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:37,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:37,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:37,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:37,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:30" (1/3) ... [2021-12-15 13:03:37,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f806f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:37, skipping insertion in model container [2021-12-15 13:03:37,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:31" (2/3) ... [2021-12-15 13:03:37,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53f806f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:37, skipping insertion in model container [2021-12-15 13:03:37,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:37" (3/3) ... [2021-12-15 13:03:37,728 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2021-12-15 13:03:37,732 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:37,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:37,775 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:37,781 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:03:37,781 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 402 states have (on average 1.271144278606965) internal successors, (511), 412 states have internal predecessors, (511), 174 states have call successors, (174), 28 states have call predecessors, (174), 28 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2021-12-15 13:03:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-15 13:03:37,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:37,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:37,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:37,816 INFO L85 PathProgramCache]: Analyzing trace with hash -838784516, now seen corresponding path program 1 times [2021-12-15 13:03:37,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:03:37,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557641012] [2021-12-15 13:03:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:37,826 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:03:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:03:37,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:03:37,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:03:38,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:03:38,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:03:38,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:03:38,223 INFO L158 Benchmark]: Toolchain (without parser) took 7454.14ms. Allocated memory was 60.8MB in the beginning and 190.8MB in the end (delta: 130.0MB). Free memory was 42.1MB in the beginning and 84.6MB in the end (delta: -42.5MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,223 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:38,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.68ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 41.9MB in the beginning and 39.3MB in the end (delta: 2.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.48ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 42.1MB in the end (delta: -3.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,225 INFO L158 Benchmark]: Boogie Preprocessor took 90.57ms. Allocated memory is still 77.6MB. Free memory was 42.1MB in the beginning and 31.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,225 INFO L158 Benchmark]: RCFGBuilder took 5702.21ms. Allocated memory was 77.6MB in the beginning and 190.8MB in the end (delta: 113.2MB). Free memory was 31.4MB in the beginning and 106.6MB in the end (delta: -75.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,225 INFO L158 Benchmark]: TraceAbstraction took 499.67ms. Allocated memory is still 190.8MB. Free memory was 105.6MB in the beginning and 84.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:38,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.68ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 41.9MB in the beginning and 39.3MB in the end (delta: 2.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.48ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 42.1MB in the end (delta: -3.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.57ms. Allocated memory is still 77.6MB. Free memory was 42.1MB in the beginning and 31.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5702.21ms. Allocated memory was 77.6MB in the beginning and 190.8MB in the end (delta: 113.2MB). Free memory was 31.4MB in the beginning and 106.6MB in the end (delta: -75.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * TraceAbstraction took 499.67ms. Allocated memory is still 190.8MB. Free memory was 105.6MB in the beginning and 84.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:03:38,277 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