./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 06:43:59,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 06:43:59,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 06:43:59,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 06:43:59,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 06:43:59,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 06:43:59,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 06:43:59,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 06:43:59,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 06:43:59,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 06:43:59,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 06:43:59,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 06:43:59,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 06:43:59,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 06:43:59,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 06:43:59,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 06:43:59,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 06:43:59,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 06:43:59,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 06:43:59,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 06:43:59,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 06:43:59,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 06:43:59,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 06:43:59,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 06:43:59,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 06:43:59,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 06:43:59,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 06:43:59,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 06:43:59,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 06:43:59,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 06:43:59,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 06:43:59,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 06:43:59,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 06:43:59,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 06:43:59,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 06:43:59,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 06:43:59,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 06:43:59,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 06:43:59,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 06:43:59,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 06:43:59,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 06:43:59,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-23 06:44:00,008 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 06:44:00,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 06:44:00,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 06:44:00,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 06:44:00,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 06:44:00,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 06:44:00,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 06:44:00,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 06:44:00,011 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 06:44:00,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 06:44:00,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 06:44:00,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 06:44:00,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 06:44:00,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 06:44:00,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 06:44:00,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 06:44:00,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 06:44:00,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 06:44:00,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 06:44:00,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 06:44:00,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 06:44:00,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 06:44:00,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 06:44:00,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 06:44:00,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:00,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 06:44:00,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 06:44:00,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 06:44:00,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 06:44:00,016 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-23 06:44:00,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 06:44:00,017 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-23 06:44:00,017 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-23 06:44:00,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 06:44:00,017 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-23 06:44:00,017 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-23 06:44:00,018 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 [2022-11-23 06:44:00,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 06:44:00,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 06:44:00,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 06:44:00,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 06:44:00,302 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 06:44:00,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-23 06:44:03,266 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 06:44:03,775 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 06:44:03,776 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-23 06:44:03,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/data/08394a4de/d876974fd59d452a854602280d9c607c/FLAG9755aca7c [2022-11-23 06:44:03,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/data/08394a4de/d876974fd59d452a854602280d9c607c [2022-11-23 06:44:03,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 06:44:03,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 06:44:03,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:03,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 06:44:03,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 06:44:03,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:03" (1/1) ... [2022-11-23 06:44:03,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd7c2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:03, skipping insertion in model container [2022-11-23 06:44:03,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:44:03" (1/1) ... [2022-11-23 06:44:03,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 06:44:03,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 06:44:05,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-11-23 06:44:05,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:05,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 06:44:06,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-11-23 06:44:06,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 06:44:06,394 INFO L208 MainTranslator]: Completed translation [2022-11-23 06:44:06,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06 WrapperNode [2022-11-23 06:44:06,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 06:44:06,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:06,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 06:44:06,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 06:44:06,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,713 INFO L138 Inliner]: procedures = 310, calls = 1318, calls flagged for inlining = 429, calls inlined = 677, statements flattened = 7697 [2022-11-23 06:44:06,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 06:44:06,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 06:44:06,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 06:44:06,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 06:44:06,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:06,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:07,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:07,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 06:44:07,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 06:44:07,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 06:44:07,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 06:44:07,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (1/1) ... [2022-11-23 06:44:07,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 06:44:07,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:07,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:07,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 06:44:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 06:44:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-23 06:44:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-23 06:44:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2022-11-23 06:44:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2022-11-23 06:44:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 06:44:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 06:44:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 06:44:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 06:44:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 06:44:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2022-11-23 06:44:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2022-11-23 06:44:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 06:44:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2022-11-23 06:44:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2022-11-23 06:44:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 06:44:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 06:44:07,168 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 06:44:07,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 06:44:07,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 06:44:15,022 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 06:44:15,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 06:44:15,067 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 06:44:15,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:15 BoogieIcfgContainer [2022-11-23 06:44:15,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 06:44:15,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 06:44:15,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 06:44:15,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 06:44:15,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:44:03" (1/3) ... [2022-11-23 06:44:15,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155d13ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:15, skipping insertion in model container [2022-11-23 06:44:15,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:44:06" (2/3) ... [2022-11-23 06:44:15,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155d13ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:44:15, skipping insertion in model container [2022-11-23 06:44:15,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:44:15" (3/3) ... [2022-11-23 06:44:15,084 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-23 06:44:15,093 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 06:44:15,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 06:44:15,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 06:44:15,103 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 06:44:17,253 INFO L144 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2022-11-23 06:44:17,483 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:17,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:44:17,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:17,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:17,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-23 06:44:17,545 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:44:17,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_insmod_5Thread1of1ForFork2 ======== [2022-11-23 06:44:17,569 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28ec66b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:17,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 06:44:23,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_insmod_5Thread1of1ForFork2Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-11-23 06:44:23,740 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-23 06:44:23,742 INFO L307 ceAbstractionStarter]: Result for error location ldv_insmod_5Thread1of1ForFork2 was SAFE (1/4) [2022-11-23 06:44:23,854 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:23,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-23 06:44:23,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 [2022-11-23 06:44:23,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-23 06:44:23,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53bc8ba-54ff-42ed-b8d0-ab58999cf41f/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-23 06:44:23,887 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-23 06:44:23,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_platform_instance_3Thread1of1ForFork3 ======== [2022-11-23 06:44:23,894 INFO L357 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=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28ec66b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 06:44:23,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.