./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/config/TaipanReach.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_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0 --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 Taipan --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-e04fb08 [2022-11-16 20:07:17,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:07:17,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:07:17,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:07:17,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:07:17,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:07:17,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:07:17,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:07:17,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:07:17,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:07:17,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:07:17,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:07:17,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:07:17,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:07:17,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:07:17,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:07:17,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:07:17,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:07:17,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:07:17,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:07:17,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:07:17,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:07:17,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:07:17,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:07:17,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:07:17,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:07:17,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:07:17,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:07:17,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:07:17,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:07:17,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:07:17,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:07:17,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:07:17,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:07:17,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:07:17,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:07:17,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:07:17,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:07:17,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:07:17,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:07:17,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:07:17,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 20:07:17,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:07:17,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:07:17,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:07:17,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:07:17,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:07:17,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:07:17,869 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:07:17,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:07:17,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:07:17,870 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:07:17,871 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:07:17,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:07:17,871 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:07:17,872 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:07:17,872 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:07:17,872 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:07:17,873 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:07:17,873 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:07:17,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:07:17,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:07:17,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:07:17,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:07:17,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:07:17,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:07:17,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:07:17,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:07:17,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:07:17,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:07:17,878 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:07:17,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:07:17,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:07:17,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:07:17,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:07:17,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:07:17,881 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:07:17,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:07:17,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:07:17,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:07:17,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:07:17,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:07:17,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:07:17,882 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_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 [2022-11-16 20:07:18,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:07:18,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:07:18,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:07:18,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:07:18,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:07:18,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-16 20:07:18,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/data/e2eeb8cde/9c4e0e2799e24bf3bdab47a41d2a62c0/FLAGa6c7b303e [2022-11-16 20:07:19,147 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:07:19,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-16 20:07:19,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/data/e2eeb8cde/9c4e0e2799e24bf3bdab47a41d2a62c0/FLAGa6c7b303e [2022-11-16 20:07:19,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/data/e2eeb8cde/9c4e0e2799e24bf3bdab47a41d2a62c0 [2022-11-16 20:07:19,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:07:19,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:07:19,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:07:19,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:07:19,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:07:19,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:19" (1/1) ... [2022-11-16 20:07:19,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3112340e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:19, skipping insertion in model container [2022-11-16 20:07:19,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:07:19" (1/1) ... [2022-11-16 20:07:19,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:07:19,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:07:20,814 WARN L229 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_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-11-16 20:07:20,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:07:21,007 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:07:21,472 WARN L229 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_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2022-11-16 20:07:21,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:07:21,605 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:07:21,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21 WrapperNode [2022-11-16 20:07:21,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:07:21,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:07:21,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:07:21,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:07:21,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:21,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:21,983 INFO L138 Inliner]: procedures = 310, calls = 1318, calls flagged for inlining = 429, calls inlined = 677, statements flattened = 7903 [2022-11-16 20:07:21,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:07:21,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:07:21,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:07:21,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:07:21,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:21,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:07:22,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:07:22,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:07:22,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:07:22,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (1/1) ... [2022-11-16 20:07:22,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:07:22,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:07:22,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:07:22,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8ab233-e2d8-44d1-943f-7904f2cdfdea/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:07:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 20:07:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2022-11-16 20:07:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2022-11-16 20:07:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2022-11-16 20:07:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2022-11-16 20:07:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:07:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:07:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 20:07:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:07:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:07:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:07:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2022-11-16 20:07:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2022-11-16 20:07:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:07:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2022-11-16 20:07:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2022-11-16 20:07:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:07:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:07:22,521 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 20:07:23,341 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:07:23,344 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:07:30,984 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:07:31,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:07:31,035 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:07:31,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:07:31 BoogieIcfgContainer [2022-11-16 20:07:31,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:07:31,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:07:31,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:07:31,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:07:31,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:07:19" (1/3) ... [2022-11-16 20:07:31,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef8a023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:31, skipping insertion in model container [2022-11-16 20:07:31,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:07:21" (2/3) ... [2022-11-16 20:07:31,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef8a023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:07:31, skipping insertion in model container [2022-11-16 20:07:31,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:07:31" (3/3) ... [2022-11-16 20:07:31,056 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2022-11-16 20:07:31,064 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 20:07:31,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:07:31,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:07:31,075 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 20:07:33,128 INFO L144 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2022-11-16 20:07:33,310 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 20:07:33,328 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 13964 places, 14564 transitions, 29203 flow [2022-11-16 20:07:33,333 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 13964 places, 14564 transitions, 29203 flow [2022-11-16 20:07:33,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 13964 places, 14564 transitions, 29203 flow [2022-11-16 20:08:24,090 INFO L130 PetriNetUnfolder]: 644/15590 cut-off events. [2022-11-16 20:08:24,091 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-16 20:08:26,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15621 conditions, 15590 events. 644/15590 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 100928 event pairs, 0 based on Foata normal form. 0/14939 useless extension candidates. Maximal degree in co-relation 15056. Up to 14 conditions per place.