./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- 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 02:33:55,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:33:55,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:33:55,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:33:55,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:33:55,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:33:55,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:33:55,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:33:55,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:33:55,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:33:55,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:33:55,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:33:55,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:33:55,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:33:55,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:33:55,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:33:55,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:33:55,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:33:55,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:33:55,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:33:55,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:33:55,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:33:55,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:33:55,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:33:55,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:33:55,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:33:55,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:33:55,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:33:55,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:33:55,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:33:55,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:33:55,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:33:55,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:33:55,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:33:55,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:33:55,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:33:55,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:33:55,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:33:55,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:33:55,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:33:55,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:33:55,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:33:56,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:33:56,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:33:56,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:33:56,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:33:56,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:33:56,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:33:56,023 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:33:56,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:33:56,024 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:33:56,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:33:56,025 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:33:56,025 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:33:56,026 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:33:56,026 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:33:56,026 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:33:56,027 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:33:56,027 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:33:56,027 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:33:56,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:33:56,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:33:56,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:33:56,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:33:56,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:33:56,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:33:56,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:33:56,030 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:33:56,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:33:56,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:33:56,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:33:56,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:56,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:33:56,032 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:33:56,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:33:56,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:33:56,033 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:33:56,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:33:56,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:33:56,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:33:56,034 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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2022-11-03 02:33:56,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:33:56,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:33:56,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:33:56,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:33:56,392 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:33:56,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-03 02:33:56,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/2cd640527/0622d28736504cf69962c73c6e7f08d2/FLAG3667e5a07 [2022-11-03 02:33:57,475 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:33:57,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-03 02:33:57,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/2cd640527/0622d28736504cf69962c73c6e7f08d2/FLAG3667e5a07 [2022-11-03 02:33:57,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/2cd640527/0622d28736504cf69962c73c6e7f08d2 [2022-11-03 02:33:57,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:33:57,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:33:57,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:57,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:33:57,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:33:57,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:57" (1/1) ... [2022-11-03 02:33:57,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a86e4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:57, skipping insertion in model container [2022-11-03 02:33:57,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:57" (1/1) ... [2022-11-03 02:33:57,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:33:58,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:34:00,959 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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2022-11-03 02:34:01,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:01,046 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:34:01,445 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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i[351362,351375] [2022-11-03 02:34:01,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:34:01,711 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:34:01,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01 WrapperNode [2022-11-03 02:34:01,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:34:01,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:01,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:34:01,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:34:01,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:01,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,015 INFO L138 Inliner]: procedures = 415, calls = 1887, calls flagged for inlining = 249, calls inlined = 236, statements flattened = 5538 [2022-11-03 02:34:02,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:34:02,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:34:02,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:34:02,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:34:02,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:34:02,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:34:02,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:34:02,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:34:02,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (1/1) ... [2022-11-03 02:34:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:34:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:02,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:34:02,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:34:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:34:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:34:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:34:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:34:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:34:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:34:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:34:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:34:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2022-11-03 02:34:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2022-11-03 02:34:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2022-11-03 02:34:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2022-11-03 02:34:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:34:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:34:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2022-11-03 02:34:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2022-11-03 02:34:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-11-03 02:34:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-11-03 02:34:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:34:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:34:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:34:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:34:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:34:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:34:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:34:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:34:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:34:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:34:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:34:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:34:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2022-11-03 02:34:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2022-11-03 02:34:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2022-11-03 02:34:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2022-11-03 02:34:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-03 02:34:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-03 02:34:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 02:34:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 02:34:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:34:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:34:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:34:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2022-11-03 02:34:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2022-11-03 02:34:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2022-11-03 02:34:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2022-11-03 02:34:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:34:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:34:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:34:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 02:34:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 02:34:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:34:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:34:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2022-11-03 02:34:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2022-11-03 02:34:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:34:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:34:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:34:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2022-11-03 02:34:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2022-11-03 02:34:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:34:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:34:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:34:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 02:34:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 02:34:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:34:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:34:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2022-11-03 02:34:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2022-11-03 02:34:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2022-11-03 02:34:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2022-11-03 02:34:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2022-11-03 02:34:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2022-11-03 02:34:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2022-11-03 02:34:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2022-11-03 02:34:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:34:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:34:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:34:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:34:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:34:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 02:34:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 02:34:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 02:34:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 02:34:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:34:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:34:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:34:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:34:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:34:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:34:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:34:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:34:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:34:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 02:34:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 02:34:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:34:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:34:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2022-11-03 02:34:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2022-11-03 02:34:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2022-11-03 02:34:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2022-11-03 02:34:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-03 02:34:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-03 02:34:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:34:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:34:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:34:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:34:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2022-11-03 02:34:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2022-11-03 02:34:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 02:34:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 02:34:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-11-03 02:34:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-11-03 02:34:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:34:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:34:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:34:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:34:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-03 02:34:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-03 02:34:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:34:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:34:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:34:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:34:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:34:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:34:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2022-11-03 02:34:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2022-11-03 02:34:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:34:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-03 02:34:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:34:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2022-11-03 02:34:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2022-11-03 02:34:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2022-11-03 02:34:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2022-11-03 02:34:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2022-11-03 02:34:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-03 02:34:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:34:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:34:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-03 02:34:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2022-11-03 02:34:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2022-11-03 02:34:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:34:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:34:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:34:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:34:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2022-11-03 02:34:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2022-11-03 02:34:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2022-11-03 02:34:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2022-11-03 02:34:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2022-11-03 02:34:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2022-11-03 02:34:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2022-11-03 02:34:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2022-11-03 02:34:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:34:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 02:34:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 02:34:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2022-11-03 02:34:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2022-11-03 02:34:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:34:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:34:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2022-11-03 02:34:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2022-11-03 02:34:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2022-11-03 02:34:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2022-11-03 02:34:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:34:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2022-11-03 02:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2022-11-03 02:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2022-11-03 02:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2022-11-03 02:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 02:34:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 02:34:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2022-11-03 02:34:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2022-11-03 02:34:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:34:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:34:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:34:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:34:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 02:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 02:34:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 02:34:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2022-11-03 02:34:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2022-11-03 02:34:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:34:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2022-11-03 02:34:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2022-11-03 02:34:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:34:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:34:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 02:34:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 02:34:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:34:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:34:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-11-03 02:34:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2022-11-03 02:34:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2022-11-03 02:34:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2022-11-03 02:34:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2022-11-03 02:34:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2022-11-03 02:34:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-03 02:34:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-03 02:34:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2022-11-03 02:34:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2022-11-03 02:34:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2022-11-03 02:34:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2022-11-03 02:34:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:34:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:34:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2022-11-03 02:34:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2022-11-03 02:34:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 02:34:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 02:34:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:34:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:34:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:34:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-03 02:34:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-03 02:34:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:34:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:34:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-03 02:34:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-03 02:34:03,548 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:34:03,556 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:34:03,835 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:34:08,167 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:34:08,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:34:09,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:34:09,521 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:34:09,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:09 BoogieIcfgContainer [2022-11-03 02:34:09,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:34:09,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:34:09,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:34:09,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:34:09,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:33:57" (1/3) ... [2022-11-03 02:34:09,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a46afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:09, skipping insertion in model container [2022-11-03 02:34:09,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:34:01" (2/3) ... [2022-11-03 02:34:09,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a46afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:34:09, skipping insertion in model container [2022-11-03 02:34:09,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:34:09" (3/3) ... [2022-11-03 02:34:09,546 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-03 02:34:09,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:34:09,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:34:09,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:34:09,694 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=FINITE_AUTOMATA, 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;@199271e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:34:09,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:34:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1233 states have (on average 1.3090024330900243) internal successors, (1614), 1267 states have internal predecessors, (1614), 734 states have call successors, (734), 113 states have call predecessors, (734), 112 states have return successors, (725), 716 states have call predecessors, (725), 725 states have call successors, (725) [2022-11-03 02:34:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-03 02:34:09,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:09,734 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:09,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:09,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:09,740 INFO L85 PathProgramCache]: Analyzing trace with hash 181106216, now seen corresponding path program 1 times [2022-11-03 02:34:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:09,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263845746] [2022-11-03 02:34:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-03 02:34:10,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:10,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263845746] [2022-11-03 02:34:10,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263845746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:10,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:10,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385172212] [2022-11-03 02:34:10,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:10,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:10,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:10,813 INFO L87 Difference]: Start difference. First operand has 2078 states, 1233 states have (on average 1.3090024330900243) internal successors, (1614), 1267 states have internal predecessors, (1614), 734 states have call successors, (734), 113 states have call predecessors, (734), 112 states have return successors, (725), 716 states have call predecessors, (725), 725 states have call successors, (725) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:34:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:13,001 INFO L93 Difference]: Finished difference Result 6071 states and 9446 transitions. [2022-11-03 02:34:13,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:13,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2022-11-03 02:34:13,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:13,073 INFO L225 Difference]: With dead ends: 6071 [2022-11-03 02:34:13,074 INFO L226 Difference]: Without dead ends: 4019 [2022-11-03 02:34:13,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:13,125 INFO L413 NwaCegarLoop]: 3393 mSDtfsCounter, 2925 mSDsluCounter, 3001 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:13,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 6064 Invalid, 705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-03 02:34:13,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2022-11-03 02:34:13,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4019. [2022-11-03 02:34:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 2393 states have (on average 1.299623903050564) internal successors, (3110), 2462 states have internal predecessors, (3110), 1405 states have call successors, (1405), 221 states have call predecessors, (1405), 220 states have return successors, (1401), 1383 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-03 02:34:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5916 transitions. [2022-11-03 02:34:13,621 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5916 transitions. Word has length 211 [2022-11-03 02:34:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:13,624 INFO L495 AbstractCegarLoop]: Abstraction has 4019 states and 5916 transitions. [2022-11-03 02:34:13,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:34:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5916 transitions. [2022-11-03 02:34:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-03 02:34:13,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:13,655 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:13,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:34:13,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:13,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1302167541, now seen corresponding path program 1 times [2022-11-03 02:34:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:13,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650484667] [2022-11-03 02:34:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:13,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1559 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2022-11-03 02:34:14,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:14,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650484667] [2022-11-03 02:34:14,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650484667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:14,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:14,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:34:14,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984028257] [2022-11-03 02:34:14,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:14,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:34:14,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:14,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:34:14,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:34:14,487 INFO L87 Difference]: Start difference. First operand 4019 states and 5916 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:34:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:16,194 INFO L93 Difference]: Finished difference Result 4025 states and 5921 transitions. [2022-11-03 02:34:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:34:16,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 253 [2022-11-03 02:34:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:16,311 INFO L225 Difference]: With dead ends: 4025 [2022-11-03 02:34:16,315 INFO L226 Difference]: Without dead ends: 4021 [2022-11-03 02:34:16,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:34:16,323 INFO L413 NwaCegarLoop]: 2678 mSDtfsCounter, 2964 mSDsluCounter, 6033 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 8031 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:16,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 8031 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:34:16,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2022-11-03 02:34:16,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 4021. [2022-11-03 02:34:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4021 states, 2395 states have (on average 1.2989561586638831) internal successors, (3111), 2463 states have internal predecessors, (3111), 1405 states have call successors, (1405), 222 states have call predecessors, (1405), 220 states have return successors, (1401), 1383 states have call predecessors, (1401), 1401 states have call successors, (1401) [2022-11-03 02:34:16,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 4021 states and 5917 transitions. [2022-11-03 02:34:16,621 INFO L78 Accepts]: Start accepts. Automaton has 4021 states and 5917 transitions. Word has length 253 [2022-11-03 02:34:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:16,623 INFO L495 AbstractCegarLoop]: Abstraction has 4021 states and 5917 transitions. [2022-11-03 02:34:16,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:34:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 4021 states and 5917 transitions. [2022-11-03 02:34:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-03 02:34:16,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:16,637 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:16,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:34:16,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash 639170196, now seen corresponding path program 1 times [2022-11-03 02:34:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:16,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671670433] [2022-11-03 02:34:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:16,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2022-11-03 02:34:17,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:17,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671670433] [2022-11-03 02:34:17,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671670433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:17,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:17,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:34:17,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895869280] [2022-11-03 02:34:17,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:17,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:34:17,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:17,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:34:17,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:34:17,501 INFO L87 Difference]: Start difference. First operand 4021 states and 5917 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:34:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:20,253 INFO L93 Difference]: Finished difference Result 8003 states and 11820 transitions. [2022-11-03 02:34:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:34:20,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 258 [2022-11-03 02:34:20,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:20,331 INFO L225 Difference]: With dead ends: 8003 [2022-11-03 02:34:20,331 INFO L226 Difference]: Without dead ends: 7981 [2022-11-03 02:34:20,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:34:20,342 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 2954 mSDsluCounter, 10608 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 13050 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:20,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 13050 Invalid, 1391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:34:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7981 states. [2022-11-03 02:34:21,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7981 to 7979. [2022-11-03 02:34:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7979 states, 4760 states have (on average 1.3002100840336135) internal successors, (6189), 4896 states have internal predecessors, (6189), 2780 states have call successors, (2780), 440 states have call predecessors, (2780), 438 states have return successors, (2820), 2738 states have call predecessors, (2820), 2776 states have call successors, (2820) [2022-11-03 02:34:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7979 states to 7979 states and 11789 transitions. [2022-11-03 02:34:21,111 INFO L78 Accepts]: Start accepts. Automaton has 7979 states and 11789 transitions. Word has length 258 [2022-11-03 02:34:21,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:21,114 INFO L495 AbstractCegarLoop]: Abstraction has 7979 states and 11789 transitions. [2022-11-03 02:34:21,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:34:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7979 states and 11789 transitions. [2022-11-03 02:34:21,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-11-03 02:34:21,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:21,177 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:21,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:34:21,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash -401331111, now seen corresponding path program 1 times [2022-11-03 02:34:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:21,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72383100] [2022-11-03 02:34:21,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2924 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2916 trivial. 0 not checked. [2022-11-03 02:34:21,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:21,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72383100] [2022-11-03 02:34:21,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72383100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:21,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:21,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228449351] [2022-11-03 02:34:21,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:21,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:21,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:21,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:21,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:21,900 INFO L87 Difference]: Start difference. First operand 7979 states and 11789 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-11-03 02:34:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:24,858 INFO L93 Difference]: Finished difference Result 23151 states and 34153 transitions. [2022-11-03 02:34:24,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:24,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 504 [2022-11-03 02:34:24,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:25,020 INFO L225 Difference]: With dead ends: 23151 [2022-11-03 02:34:25,020 INFO L226 Difference]: Without dead ends: 15211 [2022-11-03 02:34:25,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:25,089 INFO L413 NwaCegarLoop]: 3946 mSDtfsCounter, 2649 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2649 SdHoareTripleChecker+Valid, 6572 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:25,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2649 Valid, 6572 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 02:34:25,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15211 states. [2022-11-03 02:34:26,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15211 to 15190. [2022-11-03 02:34:26,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15190 states, 9010 states have (on average 1.2874583795782464) internal successors, (11600), 9279 states have internal predecessors, (11600), 5324 states have call successors, (5324), 857 states have call predecessors, (5324), 855 states have return successors, (5366), 5241 states have call predecessors, (5366), 5320 states have call successors, (5366) [2022-11-03 02:34:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15190 states to 15190 states and 22290 transitions. [2022-11-03 02:34:26,390 INFO L78 Accepts]: Start accepts. Automaton has 15190 states and 22290 transitions. Word has length 504 [2022-11-03 02:34:26,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:26,391 INFO L495 AbstractCegarLoop]: Abstraction has 15190 states and 22290 transitions. [2022-11-03 02:34:26,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (71), 2 states have call predecessors, (71), 1 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2022-11-03 02:34:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 15190 states and 22290 transitions. [2022-11-03 02:34:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2022-11-03 02:34:26,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:26,479 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:26,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:34:26,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:26,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1147460387, now seen corresponding path program 1 times [2022-11-03 02:34:26,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:26,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250792277] [2022-11-03 02:34:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3036 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3028 trivial. 0 not checked. [2022-11-03 02:34:27,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:27,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250792277] [2022-11-03 02:34:27,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250792277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:27,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:27,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:27,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610100757] [2022-11-03 02:34:27,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:27,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:27,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:27,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:27,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:27,178 INFO L87 Difference]: Start difference. First operand 15190 states and 22290 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2022-11-03 02:34:29,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:29,875 INFO L93 Difference]: Finished difference Result 29797 states and 43632 transitions. [2022-11-03 02:34:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:29,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 507 [2022-11-03 02:34:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:29,994 INFO L225 Difference]: With dead ends: 29797 [2022-11-03 02:34:29,994 INFO L226 Difference]: Without dead ends: 14646 [2022-11-03 02:34:30,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:30,097 INFO L413 NwaCegarLoop]: 3979 mSDtfsCounter, 2878 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2878 SdHoareTripleChecker+Valid, 6633 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:30,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2878 Valid, 6633 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:34:30,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2022-11-03 02:34:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 14629. [2022-11-03 02:34:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14629 states, 8749 states have (on average 1.2873471253857585) internal successors, (11263), 9020 states have internal predecessors, (11263), 5013 states have call successors, (5013), 870 states have call predecessors, (5013), 866 states have return successors, (5053), 4922 states have call predecessors, (5053), 5009 states have call successors, (5053) [2022-11-03 02:34:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14629 states to 14629 states and 21329 transitions. [2022-11-03 02:34:31,391 INFO L78 Accepts]: Start accepts. Automaton has 14629 states and 21329 transitions. Word has length 507 [2022-11-03 02:34:31,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:31,392 INFO L495 AbstractCegarLoop]: Abstraction has 14629 states and 21329 transitions. [2022-11-03 02:34:31,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (73), 2 states have call predecessors, (73), 1 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2022-11-03 02:34:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 14629 states and 21329 transitions. [2022-11-03 02:34:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2022-11-03 02:34:31,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:31,468 INFO L195 NwaCegarLoop]: trace histogram [33, 25, 25, 25, 25, 25, 25, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:31,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:34:31,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:31,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:31,470 INFO L85 PathProgramCache]: Analyzing trace with hash -78529879, now seen corresponding path program 1 times [2022-11-03 02:34:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:31,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180199500] [2022-11-03 02:34:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3051 trivial. 0 not checked. [2022-11-03 02:34:32,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:32,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180199500] [2022-11-03 02:34:32,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180199500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:32,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:32,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:34:32,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529907075] [2022-11-03 02:34:32,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:32,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:34:32,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:32,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:34:32,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:32,061 INFO L87 Difference]: Start difference. First operand 14629 states and 21329 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-11-03 02:34:34,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:34,925 INFO L93 Difference]: Finished difference Result 34203 states and 49920 transitions. [2022-11-03 02:34:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:34:34,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 512 [2022-11-03 02:34:34,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:35,088 INFO L225 Difference]: With dead ends: 34203 [2022-11-03 02:34:35,089 INFO L226 Difference]: Without dead ends: 20585 [2022-11-03 02:34:35,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:34:35,164 INFO L413 NwaCegarLoop]: 5227 mSDtfsCounter, 2870 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 7882 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:35,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 7882 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 02:34:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20585 states. [2022-11-03 02:34:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20585 to 20568. [2022-11-03 02:34:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20568 states, 12328 states have (on average 1.2882868267358858) internal successors, (15882), 12714 states have internal predecessors, (15882), 7013 states have call successors, (7013), 1232 states have call predecessors, (7013), 1226 states have return successors, (7074), 6881 states have call predecessors, (7074), 7009 states have call successors, (7074) [2022-11-03 02:34:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20568 states to 20568 states and 29969 transitions. [2022-11-03 02:34:36,794 INFO L78 Accepts]: Start accepts. Automaton has 20568 states and 29969 transitions. Word has length 512 [2022-11-03 02:34:36,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:36,796 INFO L495 AbstractCegarLoop]: Abstraction has 20568 states and 29969 transitions. [2022-11-03 02:34:36,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2022-11-03 02:34:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 20568 states and 29969 transitions. [2022-11-03 02:34:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-11-03 02:34:36,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:36,886 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 11, 11, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:36,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:34:36,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:36,887 INFO L85 PathProgramCache]: Analyzing trace with hash -567411548, now seen corresponding path program 1 times [2022-11-03 02:34:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:36,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885566623] [2022-11-03 02:34:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:36,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 56 proven. 10 refuted. 0 times theorem prover too weak. 3197 trivial. 0 not checked. [2022-11-03 02:34:39,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:39,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885566623] [2022-11-03 02:34:39,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885566623] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:34:39,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051438735] [2022-11-03 02:34:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:39,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:34:39,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:39,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:34:39,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:34:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:41,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 4333 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-03 02:34:41,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:34:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 44 proven. 1136 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2022-11-03 02:34:42,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:34:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3263 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3261 trivial. 0 not checked. [2022-11-03 02:34:43,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051438735] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:34:43,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:34:43,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 8] total 17 [2022-11-03 02:34:43,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20976068] [2022-11-03 02:34:43,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:43,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:34:43,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:43,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:34:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:34:43,787 INFO L87 Difference]: Start difference. First operand 20568 states and 29969 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-03 02:34:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:56,596 INFO L93 Difference]: Finished difference Result 31803 states and 46724 transitions. [2022-11-03 02:34:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:34:56,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) Word has length 550 [2022-11-03 02:34:56,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:56,802 INFO L225 Difference]: With dead ends: 31803 [2022-11-03 02:34:56,802 INFO L226 Difference]: Without dead ends: 31744 [2022-11-03 02:34:56,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 1089 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:34:56,827 INFO L413 NwaCegarLoop]: 3263 mSDtfsCounter, 6093 mSDsluCounter, 9855 mSDsCounter, 0 mSdLazyCounter, 7187 mSolverCounterSat, 2296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6627 SdHoareTripleChecker+Valid, 11721 SdHoareTripleChecker+Invalid, 9483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2296 IncrementalHoareTripleChecker+Valid, 7187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:56,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6627 Valid, 11721 Invalid, 9483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2296 Valid, 7187 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 02:34:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31744 states. [2022-11-03 02:34:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31744 to 31732. [2022-11-03 02:34:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31732 states, 19019 states have (on average 1.2897628687102372) internal successors, (24530), 19602 states have internal predecessors, (24530), 10900 states have call successors, (10900), 1811 states have call predecessors, (10900), 1812 states have return successors, (11161), 10713 states have call predecessors, (11161), 10896 states have call successors, (11161) [2022-11-03 02:34:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31732 states to 31732 states and 46591 transitions. [2022-11-03 02:34:59,709 INFO L78 Accepts]: Start accepts. Automaton has 31732 states and 46591 transitions. Word has length 550 [2022-11-03 02:34:59,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:59,710 INFO L495 AbstractCegarLoop]: Abstraction has 31732 states and 46591 transitions. [2022-11-03 02:34:59,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (76), 4 states have call predecessors, (76), 2 states have return successors, (74), 4 states have call predecessors, (74), 3 states have call successors, (74) [2022-11-03 02:34:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 31732 states and 46591 transitions. [2022-11-03 02:34:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-11-03 02:34:59,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:59,797 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 12, 12, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:59,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:35:00,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:00,011 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:00,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash 170733122, now seen corresponding path program 1 times [2022-11-03 02:35:00,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:00,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610512974] [2022-11-03 02:35:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 3278 trivial. 0 not checked. [2022-11-03 02:35:02,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:02,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610512974] [2022-11-03 02:35:02,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610512974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:35:02,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436300014] [2022-11-03 02:35:02,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:02,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:35:02,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:35:02,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:35:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:04,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 4605 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 02:35:04,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:35:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 3207 trivial. 0 not checked. [2022-11-03 02:35:04,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:35:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3340 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3304 trivial. 0 not checked. [2022-11-03 02:35:05,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436300014] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:35:05,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:35:05,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 16 [2022-11-03 02:35:05,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697977656] [2022-11-03 02:35:05,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:35:05,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:35:05,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:35:05,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:35:05,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:35:05,100 INFO L87 Difference]: Start difference. First operand 31732 states and 46591 transitions. Second operand has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) [2022-11-03 02:35:19,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:35:19,214 INFO L93 Difference]: Finished difference Result 71684 states and 105301 transitions. [2022-11-03 02:35:19,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:35:19,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) Word has length 583 [2022-11-03 02:35:19,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:35:19,673 INFO L225 Difference]: With dead ends: 71684 [2022-11-03 02:35:19,673 INFO L226 Difference]: Without dead ends: 40951 [2022-11-03 02:35:19,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:35:19,820 INFO L413 NwaCegarLoop]: 2814 mSDtfsCounter, 4049 mSDsluCounter, 3145 mSDsCounter, 0 mSdLazyCounter, 9545 mSolverCounterSat, 717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4621 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 10262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 717 IncrementalHoareTripleChecker+Valid, 9545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:35:19,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4621 Valid, 5233 Invalid, 10262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [717 Valid, 9545 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 02:35:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40951 states. [2022-11-03 02:35:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40951 to 40934. [2022-11-03 02:35:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40934 states, 24574 states have (on average 1.2913648571661105) internal successors, (31734), 25320 states have internal predecessors, (31734), 14005 states have call successors, (14005), 2347 states have call predecessors, (14005), 2354 states have return successors, (14351), 13778 states have call predecessors, (14351), 14001 states have call successors, (14351) [2022-11-03 02:35:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40934 states to 40934 states and 60090 transitions. [2022-11-03 02:35:23,457 INFO L78 Accepts]: Start accepts. Automaton has 40934 states and 60090 transitions. Word has length 583 [2022-11-03 02:35:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:35:23,458 INFO L495 AbstractCegarLoop]: Abstraction has 40934 states and 60090 transitions. [2022-11-03 02:35:23,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.5) internal successors, (159), 7 states have internal predecessors, (159), 4 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (82), 4 states have call predecessors, (82), 4 states have call successors, (82) [2022-11-03 02:35:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 40934 states and 60090 transitions. [2022-11-03 02:35:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-11-03 02:35:23,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:35:23,556 INFO L195 NwaCegarLoop]: trace histogram [35, 25, 25, 25, 25, 25, 25, 11, 11, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:35:23,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:35:23,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:23,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:35:23,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:35:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash 718181875, now seen corresponding path program 1 times [2022-11-03 02:35:23,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:35:23,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761135180] [2022-11-03 02:35:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:35:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 56 proven. 10 refuted. 0 times theorem prover too weak. 3245 trivial. 0 not checked. [2022-11-03 02:35:26,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:35:26,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761135180] [2022-11-03 02:35:26,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761135180] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:35:26,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623624373] [2022-11-03 02:35:26,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:35:26,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:35:26,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:35:26,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:35:26,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:35:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:35:27,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 4524 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-03 02:35:27,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:35:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 1374 proven. 19 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2022-11-03 02:35:28,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:35:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3311 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 3253 trivial. 0 not checked. [2022-11-03 02:35:29,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623624373] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:35:29,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [83659372] [2022-11-03 02:35:29,526 INFO L159 IcfgInterpreter]: Started Sifa with 253 locations of interest [2022-11-03 02:35:29,526 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:35:29,532 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:35:29,539 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:35:29,540 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:41:39,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:39,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:39,254 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:41:39,258 INFO L158 Benchmark]: Toolchain (without parser) took 461404.16ms. Allocated memory was 130.0MB in the beginning and 7.0GB in the end (delta: 6.9GB). Free memory was 81.6MB in the beginning and 5.9GB in the end (delta: -5.9GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. [2022-11-03 02:41:39,259 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:41:39,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3850.09ms. Allocated memory was 130.0MB in the beginning and 241.2MB in the end (delta: 111.1MB). Free memory was 81.3MB in the beginning and 158.7MB in the end (delta: -77.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-11-03 02:41:39,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 302.11ms. Allocated memory is still 241.2MB. Free memory was 158.7MB in the beginning and 127.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-03 02:41:39,260 INFO L158 Benchmark]: Boogie Preprocessor took 415.25ms. Allocated memory is still 241.2MB. Free memory was 127.2MB in the beginning and 145.7MB in the end (delta: -18.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2022-11-03 02:41:39,260 INFO L158 Benchmark]: RCFGBuilder took 7100.74ms. Allocated memory was 241.2MB in the beginning and 388.0MB in the end (delta: 146.8MB). Free memory was 145.7MB in the beginning and 173.2MB in the end (delta: -27.5MB). Peak memory consumption was 222.3MB. Max. memory is 16.1GB. [2022-11-03 02:41:39,261 INFO L158 Benchmark]: TraceAbstraction took 449722.31ms. Allocated memory was 388.0MB in the beginning and 7.0GB in the end (delta: 6.6GB). Free memory was 172.2MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. [2022-11-03 02:41:39,262 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory was 63.6MB in the beginning and 63.6MB in the end (delta: 33.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3850.09ms. Allocated memory was 130.0MB in the beginning and 241.2MB in the end (delta: 111.1MB). Free memory was 81.3MB in the beginning and 158.7MB in the end (delta: -77.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 302.11ms. Allocated memory is still 241.2MB. Free memory was 158.7MB in the beginning and 127.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 415.25ms. Allocated memory is still 241.2MB. Free memory was 127.2MB in the beginning and 145.7MB in the end (delta: -18.5MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7100.74ms. Allocated memory was 241.2MB in the beginning and 388.0MB in the end (delta: 146.8MB). Free memory was 145.7MB in the beginning and 173.2MB in the end (delta: -27.5MB). Peak memory consumption was 222.3MB. Max. memory is 16.1GB. * TraceAbstraction took 449722.31ms. Allocated memory was 388.0MB in the beginning and 7.0GB in the end (delta: 6.6GB). Free memory was 172.2MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 02:41:39,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/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_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 --- 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 02:41:42,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:41:42,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:41:42,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:41:42,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:41:42,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:41:42,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:41:42,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:41:42,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:41:42,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:41:42,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:41:42,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:41:42,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:41:42,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:41:42,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:41:42,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:41:42,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:41:42,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:41:42,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:41:42,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:41:42,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:41:42,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:41:42,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:41:42,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:41:42,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:41:42,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:41:42,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:41:42,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:41:42,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:41:42,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:41:42,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:41:42,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:41:42,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:41:42,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:41:42,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:41:42,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:41:42,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:41:42,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:41:42,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:41:42,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:41:42,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:41:42,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:41:42,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:41:42,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:41:42,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:41:42,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:41:42,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:41:42,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:41:42,198 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:41:42,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:41:42,199 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:41:42,199 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:41:42,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:41:42,201 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:41:42,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:41:42,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:41:42,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:41:42,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:41:42,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:41:42,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:41:42,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:41:42,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:41:42,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:41:42,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:41:42,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:41:42,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:41:42,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:41:42,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:41:42,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:41:42,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:41:42,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:41:42,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:41:42,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:41:42,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:42,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:41:42,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:41:42,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:41:42,210 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0705c7c1097399903dd015d79fa2944ad89b2d381aed5d9e2539b97c330aa424 [2022-11-03 02:41:42,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:41:42,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:41:42,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:41:42,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:41:42,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:41:42,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-03 02:41:42,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/be7139edf/bfd9b3f060fc40aaa6103dd4de430e7f/FLAGeeab2465f [2022-11-03 02:41:43,708 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:41:43,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-smsc-smsc911x.cil.i [2022-11-03 02:41:43,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/be7139edf/bfd9b3f060fc40aaa6103dd4de430e7f/FLAGeeab2465f [2022-11-03 02:41:44,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1ea3faa-0f94-40bb-947d-0a13ffd16b34/bin/utaipan-7li7fVZpFI/data/be7139edf/bfd9b3f060fc40aaa6103dd4de430e7f [2022-11-03 02:41:44,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:41:44,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:41:44,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:41:44,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:41:44,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:41:44,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:41:44" (1/1) ... [2022-11-03 02:41:44,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cccfa3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:41:44, skipping insertion in model container [2022-11-03 02:41:44,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:41:44" (1/1) ... [2022-11-03 02:41:44,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:41:44,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:41:46,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:993) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:961) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1390) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2354) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:41:46,211 INFO L158 Benchmark]: Toolchain (without parser) took 2067.63ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 27.7MB in the beginning and 32.8MB in the end (delta: -5.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-03 02:41:46,213 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:41:46,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2035.77ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 32.8MB in the end (delta: 9.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-11-03 02:41:46,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2035.77ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 42.0MB in the beginning and 32.8MB in the end (delta: 9.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:256) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type