./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 23:57:24,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 23:57:24,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 23:57:24,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 23:57:24,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 23:57:24,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 23:57:24,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 23:57:24,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 23:57:24,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 23:57:24,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 23:57:24,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 23:57:24,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 23:57:24,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 23:57:25,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 23:57:25,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 23:57:25,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 23:57:25,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 23:57:25,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 23:57:25,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 23:57:25,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 23:57:25,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 23:57:25,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 23:57:25,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 23:57:25,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 23:57:25,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 23:57:25,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 23:57:25,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 23:57:25,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 23:57:25,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 23:57:25,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 23:57:25,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 23:57:25,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 23:57:25,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 23:57:25,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 23:57:25,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 23:57:25,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 23:57:25,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 23:57:25,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 23:57:25,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 23:57:25,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 23:57:25,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 23:57:25,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-31 23:57:25,077 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 23:57:25,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 23:57:25,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 23:57:25,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 23:57:25,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 23:57:25,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 23:57:25,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 23:57:25,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 23:57:25,081 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 23:57:25,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 23:57:25,082 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 23:57:25,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 23:57:25,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 23:57:25,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 23:57:25,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 23:57:25,083 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-31 23:57:25,083 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-31 23:57:25,083 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-31 23:57:25,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 23:57:25,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-31 23:57:25,084 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 23:57:25,084 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 23:57:25,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 23:57:25,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 23:57:25,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 23:57:25,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 23:57:25,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 23:57:25,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 23:57:25,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 23:57:25,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 23:57:25,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 23:57:25,086 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 23:57:25,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 23:57:25,087 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 23:57:25,087 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 23:57:25,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 23:57:25,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 23:57:25,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 23:57:25,423 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 23:57:25,423 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 23:57:25,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-31 23:57:26,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 23:57:27,064 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 23:57:27,065 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-31 23:57:27,098 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d08cb4d/93da8893f5174afc958bc378183ee2fa/FLAG78c53216b [2023-08-31 23:57:27,114 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85d08cb4d/93da8893f5174afc958bc378183ee2fa [2023-08-31 23:57:27,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 23:57:27,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 23:57:27,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 23:57:27,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 23:57:27,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 23:57:27,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:57:27" (1/1) ... [2023-08-31 23:57:27,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d7340f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:27, skipping insertion in model container [2023-08-31 23:57:27,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:57:27" (1/1) ... [2023-08-31 23:57:27,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 23:57:27,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 23:57:28,551 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-31 23:57:28,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 23:57:28,881 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-08-31 23:57:28,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ee520b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:28, skipping insertion in model container [2023-08-31 23:57:28,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 23:57:28,884 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-08-31 23:57:28,885 INFO L158 Benchmark]: Toolchain (without parser) took 1767.19ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 50.1MB in the end (delta: 12.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-08-31 23:57:28,886 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 23:57:28,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1765.47ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 50.1MB in the end (delta: 12.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-08-31 23:57:28,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1765.47ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 50.1MB in the end (delta: 12.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6344]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 23:57:30,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 23:57:30,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 23:57:30,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 23:57:30,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 23:57:30,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 23:57:30,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 23:57:30,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 23:57:30,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 23:57:30,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 23:57:30,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 23:57:30,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 23:57:30,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 23:57:30,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 23:57:30,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 23:57:30,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 23:57:30,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 23:57:30,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 23:57:30,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 23:57:30,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 23:57:30,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 23:57:30,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 23:57:30,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 23:57:30,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 23:57:30,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 23:57:30,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 23:57:30,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 23:57:30,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 23:57:30,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 23:57:30,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 23:57:30,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 23:57:30,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 23:57:30,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 23:57:30,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 23:57:30,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 23:57:30,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 23:57:30,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 23:57:30,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 23:57:30,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 23:57:30,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 23:57:30,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 23:57:30,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-31 23:57:30,698 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 23:57:30,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 23:57:30,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 23:57:30,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 23:57:30,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 23:57:30,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 23:57:30,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 23:57:30,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 23:57:30,701 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 23:57:30,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 23:57:30,702 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-31 23:57:30,703 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 23:57:30,704 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 23:57:30,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 23:57:30,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 23:57:30,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 23:57:30,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 23:57:30,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 23:57:30,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 23:57:30,706 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-31 23:57:30,706 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-31 23:57:30,706 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 23:57:30,706 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 23:57:30,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 23:57:30,707 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-31 23:57:30,707 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 23:57:30,707 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 23:57:30,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 23:57:31,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 23:57:31,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 23:57:31,018 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 23:57:31,019 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 23:57:31,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-31 23:57:32,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 23:57:32,686 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 23:57:32,687 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-31 23:57:32,728 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6042126d7/3e0757150dd4402db3da50284783328c/FLAG8daca2f93 [2023-08-31 23:57:32,745 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6042126d7/3e0757150dd4402db3da50284783328c [2023-08-31 23:57:32,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 23:57:32,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 23:57:32,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 23:57:32,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 23:57:32,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 23:57:32,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:57:32" (1/1) ... [2023-08-31 23:57:32,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4b07e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:32, skipping insertion in model container [2023-08-31 23:57:32,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:57:32" (1/1) ... [2023-08-31 23:57:32,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 23:57:32,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 23:57:34,344 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-31 23:57:34,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 23:57:34,670 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-31 23:57:34,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 23:57:34,941 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-31 23:57:34,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 23:57:34,992 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 23:57:35,299 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2023-08-31 23:57:35,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 23:57:35,433 INFO L208 MainTranslator]: Completed translation [2023-08-31 23:57:35,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35 WrapperNode [2023-08-31 23:57:35,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 23:57:35,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 23:57:35,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 23:57:35,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 23:57:35,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,712 INFO L138 Inliner]: procedures = 333, calls = 1286, calls flagged for inlining = 514, calls inlined = 855, statements flattened = 6940 [2023-08-31 23:57:35,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 23:57:35,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 23:57:35,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 23:57:35,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 23:57:35,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:35,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:36,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 23:57:36,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 23:57:36,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 23:57:36,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 23:57:36,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (1/1) ... [2023-08-31 23:57:36,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 23:57:36,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 23:57:36,071 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) [2023-08-31 23:57:36,101 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 [2023-08-31 23:57:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-08-31 23:57:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-08-31 23:57:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-31 23:57:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-08-31 23:57:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2023-08-31 23:57:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2023-08-31 23:57:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2023-08-31 23:57:36,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2023-08-31 23:57:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-08-31 23:57:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-08-31 23:57:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 23:57:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-31 23:57:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-08-31 23:57:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 23:57:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-31 23:57:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-31 23:57:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-31 23:57:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-31 23:57:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 23:57:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 23:57:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 23:57:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-31 23:57:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 23:57:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 23:57:36,151 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 23:57:36,721 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 23:57:36,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 23:57:45,126 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 23:57:45,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 23:57:45,160 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 23:57:45,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:57:45 BoogieIcfgContainer [2023-08-31 23:57:45,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 23:57:45,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 23:57:45,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 23:57:45,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 23:57:45,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 11:57:32" (1/3) ... [2023-08-31 23:57:45,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b44aaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:57:45, skipping insertion in model container [2023-08-31 23:57:45,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:57:35" (2/3) ... [2023-08-31 23:57:45,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b44aaff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 11:57:45, skipping insertion in model container [2023-08-31 23:57:45,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 11:57:45" (3/3) ... [2023-08-31 23:57:45,177 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2023-08-31 23:57:45,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 23:57:45,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 965 error locations. [2023-08-31 23:57:45,193 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 23:57:46,643 INFO L144 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2023-08-31 23:57:46,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 11456 places, 11825 transitions, 23714 flow [2023-08-31 23:59:09,060 INFO L130 PetriNetUnfolder]: 708/22248 cut-off events. [2023-08-31 23:59:09,061 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-31 23:59:12,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22282 conditions, 22248 events. 708/22248 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 165691 event pairs, 1 based on Foata normal form. 0/19132 useless extension candidates. Maximal degree in co-relation 21669. Up to 18 conditions per place. [2023-08-31 23:59:12,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 11456 places, 11825 transitions, 23714 flow [2023-08-31 23:59:12,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 8547 places, 8814 transitions, 17662 flow [2023-08-31 23:59:12,956 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 23:59:12,966 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 8547 places, 8814 transitions, 17662 flow [2023-08-31 23:59:12,970 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 8547 places, 8814 transitions, 17662 flow [2023-08-31 23:59:12,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 8547 places, 8814 transitions, 17662 flow [2023-09-01 00:00:31,488 INFO L130 PetriNetUnfolder]: 708/22246 cut-off events. [2023-09-01 00:00:31,488 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-09-01 00:00:35,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22280 conditions, 22246 events. 708/22246 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 165612 event pairs, 1 based on Foata normal form. 0/19132 useless extension candidates. Maximal degree in co-relation 21669. Up to 18 conditions per place. [2023-09-01 00:00:54,188 INFO L119 LiptonReduction]: Number of co-enabled transitions 42631200