./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60bf15e9b8b40691c3d12ec2209fb62162b2aa1165919dc081eb8a26293a9638 --- 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-5e519f3 [2022-11-03 01:52:33,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:52:33,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:52:33,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:52:33,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:52:33,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:52:33,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:52:33,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:52:33,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:52:33,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:52:33,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:52:33,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:52:33,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:52:33,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:52:33,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:52:33,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:52:33,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:52:33,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:52:33,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:52:33,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:52:33,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:52:33,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:52:33,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:52:33,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:52:33,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:52:33,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:52:33,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:52:33,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:52:33,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:52:33,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:52:33,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:52:33,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:52:33,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:52:33,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:52:33,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:52:33,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:52:33,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:52:33,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:52:33,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:52:33,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:52:33,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:52:33,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 01:52:33,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:52:33,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:52:33,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:52:33,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:52:33,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:52:33,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:52:33,959 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:52:33,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:52:33,959 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:52:33,959 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:52:33,960 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:52:33,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:52:33,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:52:33,961 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:52:33,962 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:52:33,962 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:52:33,962 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:52:33,962 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:52:33,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:52:33,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:52:33,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:52:33,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:52:33,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:52:33,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:52:33,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:52:33,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:52:33,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:52:33,965 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 01:52:33,966 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:52:33,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:52:33,966 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:52:33,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:52:33,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:52:33,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:52:33,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:33,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:52:33,968 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:52:33,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:52:33,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:52:33,969 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:52:33,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:52:33,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:52:33,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:52:33,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60bf15e9b8b40691c3d12ec2209fb62162b2aa1165919dc081eb8a26293a9638 [2022-11-03 01:52:34,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:52:34,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:52:34,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:52:34,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:52:34,268 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:52:34,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2022-11-03 01:52:34,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/data/7403a7015/d1d6406d9cfd4345a2f5af1a551f5be0/FLAG2f3035386 [2022-11-03 01:52:35,163 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:52:35,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2022-11-03 01:52:35,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/data/7403a7015/d1d6406d9cfd4345a2f5af1a551f5be0/FLAG2f3035386 [2022-11-03 01:52:35,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/data/7403a7015/d1d6406d9cfd4345a2f5af1a551f5be0 [2022-11-03 01:52:35,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:52:35,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:52:35,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:35,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:52:35,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:52:35,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:35" (1/1) ... [2022-11-03 01:52:35,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753ca266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:35, skipping insertion in model container [2022-11-03 01:52:35,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:35" (1/1) ... [2022-11-03 01:52:35,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:52:35,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:52:37,502 WARN L230 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_a764305b-fbb6-4801-84b3-fffee03baedf/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i[178781,178794] [2022-11-03 01:52:37,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:37,788 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:52:38,034 WARN L230 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_a764305b-fbb6-4801-84b3-fffee03baedf/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i[178781,178794] [2022-11-03 01:52:38,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:38,172 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:52:38,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38 WrapperNode [2022-11-03 01:52:38,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:38,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:38,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:52:38,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:52:38,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,459 INFO L138 Inliner]: procedures = 301, calls = 1106, calls flagged for inlining = 393, calls inlined = 454, statements flattened = 4655 [2022-11-03 01:52:38,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:38,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:52:38,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:52:38,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:52:38,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:52:38,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:52:38,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:52:38,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:52:38,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (1/1) ... [2022-11-03 01:52:38,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:38,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:52:38,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:52:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a764305b-fbb6-4801-84b3-fffee03baedf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:52:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-03 01:52:38,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-03 01:52:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:52:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-11-03 01:52:38,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-11-03 01:52:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:52:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:52:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:52:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:52:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:52:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:52:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:52:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:52:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:52:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-11-03 01:52:38,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-11-03 01:52:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:52:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:52:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:52:38,882 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:52:39,440 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:52:39,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:52:44,102 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:52:44,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:52:44,130 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:52:44,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:44 BoogieIcfgContainer [2022-11-03 01:52:44,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:52:44,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:52:44,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:52:44,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:52:44,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:52:35" (1/3) ... [2022-11-03 01:52:44,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471a64ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:44, skipping insertion in model container [2022-11-03 01:52:44,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:38" (2/3) ... [2022-11-03 01:52:44,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471a64ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:44, skipping insertion in model container [2022-11-03 01:52:44,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:44" (3/3) ... [2022-11-03 01:52:44,145 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--iowarrior.ko.cil.i [2022-11-03 01:52:44,155 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:52:44,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:52:44,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2022-11-03 01:52:44,166 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:52:45,466 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-03 01:52:45,578 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:52:45,595 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 5947 places, 6179 transitions, 12394 flow [2022-11-03 01:52:45,600 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 5947 places, 6179 transitions, 12394 flow [2022-11-03 01:52:45,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 5947 places, 6179 transitions, 12394 flow [2022-11-03 01:53:05,037 INFO L130 PetriNetUnfolder]: 406/9907 cut-off events. [2022-11-03 01:53:05,037 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-03 01:53:06,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9930 conditions, 9907 events. 406/9907 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 55952 event pairs, 0 based on Foata normal form. 0/9409 useless extension candidates. Maximal degree in co-relation 9344. Up to 26 conditions per place. [2022-11-03 01:53:11,123 INFO L118 LiptonReduction]: Number of co-enabled transitions 13625336