./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-ethoc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- 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 04:03:03,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:03:03,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:03:03,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:03:03,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:03:03,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:03:03,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:03:03,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:03:03,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:03:03,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:03:03,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:03:03,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:03:03,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:03:03,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:03:03,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:03:03,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:03:03,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:03:03,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:03:03,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:03:03,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:03:03,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:03:03,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:03:03,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:03:03,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:03:03,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:03:03,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:03:03,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:03:03,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:03:03,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:03:03,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:03:03,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:03:03,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:03:03,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:03:03,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:03:03,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:03:03,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:03:03,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:03:03,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:03:03,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:03:03,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:03:03,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:03:03,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:03:03,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:03:03,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:03:03,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:03:03,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:03:03,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:03:03,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:03:03,137 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:03:03,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:03:03,138 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:03:03,138 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:03:03,138 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:03:03,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:03:03,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:03:03,139 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:03:03,139 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:03:03,139 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:03:03,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:03:03,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:03:03,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:03:03,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:03:03,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:03:03,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:03:03,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:03:03,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:03:03,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:03:03,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:03:03,143 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:03:03,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:03:03,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:03:03,143 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:03:03,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:03:03,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:03:03,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:03:03,144 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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2022-11-03 04:03:03,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:03:03,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:03:03,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:03:03,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:03:03,518 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:03:03,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-11-03 04:03:03,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/2a5b06eab/5a1fc51d07074f6eb3a48e55481c5a01/FLAGc42d84643 [2022-11-03 04:03:04,523 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:03:04,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-11-03 04:03:04,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/2a5b06eab/5a1fc51d07074f6eb3a48e55481c5a01/FLAGc42d84643 [2022-11-03 04:03:04,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/2a5b06eab/5a1fc51d07074f6eb3a48e55481c5a01 [2022-11-03 04:03:04,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:03:04,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:03:04,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:03:04,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:03:04,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:03:04,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:03:04" (1/1) ... [2022-11-03 04:03:04,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4680fc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:04, skipping insertion in model container [2022-11-03 04:03:04,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:03:04" (1/1) ... [2022-11-03 04:03:04,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:03:05,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:03:07,207 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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-11-03 04:03:07,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:03:07,292 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:03:07,752 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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i[282309,282322] [2022-11-03 04:03:07,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:03:07,939 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:03:07,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07 WrapperNode [2022-11-03 04:03:07,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:03:07,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:03:07,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:03:07,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:03:07,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,213 INFO L138 Inliner]: procedures = 347, calls = 1403, calls flagged for inlining = 224, calls inlined = 207, statements flattened = 3854 [2022-11-03 04:03:08,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:03:08,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:03:08,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:03:08,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:03:08,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:03:08,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:03:08,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:03:08,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:03:08,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (1/1) ... [2022-11-03 04:03:08,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:03:08,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:03:08,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:03:08,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:03:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-03 04:03:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-03 04:03:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:03:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:03:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:03:08,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:03:08,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:03:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:03:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-03 04:03:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-03 04:03:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2022-11-03 04:03:08,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2022-11-03 04:03:08,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 04:03:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 04:03:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:03:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:03:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 04:03:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2022-11-03 04:03:08,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2022-11-03 04:03:08,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 04:03:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 04:03:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 04:03:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 04:03:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 04:03:08,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 04:03:08,512 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2022-11-03 04:03:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2022-11-03 04:03:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:03:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_15 [2022-11-03 04:03:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_15 [2022-11-03 04:03:08,513 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2022-11-03 04:03:08,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2022-11-03 04:03:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 04:03:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 04:03:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:03:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 04:03:08,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 04:03:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 04:03:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 04:03:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:03:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:03:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 04:03:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 04:03:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:03:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2022-11-03 04:03:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2022-11-03 04:03:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2022-11-03 04:03:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2022-11-03 04:03:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-03 04:03:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-03 04:03:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:03:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2022-11-03 04:03:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2022-11-03 04:03:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2022-11-03 04:03:08,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2022-11-03 04:03:08,517 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2022-11-03 04:03:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2022-11-03 04:03:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2022-11-03 04:03:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2022-11-03 04:03:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2022-11-03 04:03:08,518 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2022-11-03 04:03:08,518 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 04:03:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 04:03:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 04:03:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 04:03:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 04:03:08,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 04:03:08,519 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-11-03 04:03:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-11-03 04:03:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:03:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:03:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 04:03:08,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 04:03:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:03:08,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 04:03:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 04:03:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 04:03:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 04:03:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:03:08,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:03:08,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 04:03:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-03 04:03:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2022-11-03 04:03:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2022-11-03 04:03:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 04:03:08,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 04:03:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 04:03:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 04:03:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:03:08,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:03:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:03:08,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:03:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:03:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2022-11-03 04:03:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2022-11-03 04:03:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:03:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2022-11-03 04:03:08,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2022-11-03 04:03:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2022-11-03 04:03:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2022-11-03 04:03:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 04:03:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 04:03:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 04:03:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 04:03:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 04:03:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 04:03:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 04:03:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 04:03:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:03:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 04:03:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 04:03:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2022-11-03 04:03:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2022-11-03 04:03:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:03:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:03:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:03:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 04:03:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2022-11-03 04:03:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2022-11-03 04:03:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:03:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:03:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:03:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:03:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 04:03:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 04:03:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2022-11-03 04:03:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2022-11-03 04:03:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2022-11-03 04:03:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2022-11-03 04:03:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 04:03:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 04:03:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2022-11-03 04:03:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2022-11-03 04:03:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 04:03:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 04:03:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2022-11-03 04:03:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2022-11-03 04:03:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 04:03:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 04:03:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:03:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-03 04:03:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-03 04:03:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 04:03:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 04:03:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2022-11-03 04:03:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2022-11-03 04:03:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:03:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:03:09,422 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:03:09,425 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:03:09,714 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:03:27,933 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 04:03:28,121 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:03:29,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:03:29,111 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 04:03:29,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:03:29 BoogieIcfgContainer [2022-11-03 04:03:29,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:03:29,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:03:29,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:03:29,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:03:29,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:03:04" (1/3) ... [2022-11-03 04:03:29,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc4189e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:03:29, skipping insertion in model container [2022-11-03 04:03:29,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:03:07" (2/3) ... [2022-11-03 04:03:29,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc4189e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:03:29, skipping insertion in model container [2022-11-03 04:03:29,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:03:29" (3/3) ... [2022-11-03 04:03:29,130 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-11-03 04:03:29,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:03:29,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:03:29,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:03:29,274 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;@ff738b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:03:29,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:03:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 960 states, 596 states have (on average 1.3288590604026846) internal successors, (792), 610 states have internal predecessors, (792), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2022-11-03 04:03:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-03 04:03:29,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:29,313 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:03:29,313 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 04:03:29,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 372903008, now seen corresponding path program 1 times [2022-11-03 04:03:29,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:29,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876914966] [2022-11-03 04:03:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:29,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-03 04:03:30,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:30,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876914966] [2022-11-03 04:03:30,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876914966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:30,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:30,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:30,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431634819] [2022-11-03 04:03:30,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:30,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:30,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:30,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:30,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:30,593 INFO L87 Difference]: Start difference. First operand has 960 states, 596 states have (on average 1.3288590604026846) internal successors, (792), 610 states have internal predecessors, (792), 299 states have call successors, (299), 65 states have call predecessors, (299), 64 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 04:03:32,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:35,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:35,478 INFO L93 Difference]: Finished difference Result 2775 states and 4009 transitions. [2022-11-03 04:03:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:35,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 137 [2022-11-03 04:03:35,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:35,525 INFO L225 Difference]: With dead ends: 2775 [2022-11-03 04:03:35,525 INFO L226 Difference]: Without dead ends: 1828 [2022-11-03 04:03:35,537 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 04:03:35,542 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 1304 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 2489 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:35,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 2489 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 518 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 04:03:35,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2022-11-03 04:03:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1828. [2022-11-03 04:03:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1145 states have (on average 1.325764192139738) internal successors, (1518), 1173 states have internal predecessors, (1518), 557 states have call successors, (557), 126 states have call predecessors, (557), 125 states have return successors, (554), 550 states have call predecessors, (554), 554 states have call successors, (554) [2022-11-03 04:03:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2629 transitions. [2022-11-03 04:03:35,774 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2629 transitions. Word has length 137 [2022-11-03 04:03:35,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:35,777 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 2629 transitions. [2022-11-03 04:03:35,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 04:03:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2629 transitions. [2022-11-03 04:03:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-03 04:03:35,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:35,797 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 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] [2022-11-03 04:03:35,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:03:35,798 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 04:03:35,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:35,799 INFO L85 PathProgramCache]: Analyzing trace with hash 269102246, now seen corresponding path program 1 times [2022-11-03 04:03:35,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:35,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577003280] [2022-11-03 04:03:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-03 04:03:36,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:36,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577003280] [2022-11-03 04:03:36,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577003280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:36,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:36,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:03:36,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034711591] [2022-11-03 04:03:36,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:36,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:03:36,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:36,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:03:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:03:36,844 INFO L87 Difference]: Start difference. First operand 1828 states and 2629 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:03:38,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:43,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:43,215 INFO L93 Difference]: Finished difference Result 3637 states and 5274 transitions. [2022-11-03 04:03:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:03:43,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 175 [2022-11-03 04:03:43,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:43,243 INFO L225 Difference]: With dead ends: 3637 [2022-11-03 04:03:43,250 INFO L226 Difference]: Without dead ends: 3633 [2022-11-03 04:03:43,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:03:43,256 INFO L413 NwaCegarLoop]: 1374 mSDtfsCounter, 1318 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:43,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 5208 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1033 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 04:03:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2022-11-03 04:03:43,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3629. [2022-11-03 04:03:43,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3629 states, 2276 states have (on average 1.327328646748682) internal successors, (3021), 2333 states have internal predecessors, (3021), 1102 states have call successors, (1102), 253 states have call predecessors, (1102), 250 states have return successors, (1144), 1086 states have call predecessors, (1144), 1096 states have call successors, (1144) [2022-11-03 04:03:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3629 states and 5267 transitions. [2022-11-03 04:03:43,479 INFO L78 Accepts]: Start accepts. Automaton has 3629 states and 5267 transitions. Word has length 175 [2022-11-03 04:03:43,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:43,481 INFO L495 AbstractCegarLoop]: Abstraction has 3629 states and 5267 transitions. [2022-11-03 04:03:43,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 04:03:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 5267 transitions. [2022-11-03 04:03:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-03 04:03:43,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:43,489 INFO L195 NwaCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 12, 4, 4, 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] [2022-11-03 04:03:43,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:03:43,490 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 04:03:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:43,500 INFO L85 PathProgramCache]: Analyzing trace with hash 646385888, now seen corresponding path program 1 times [2022-11-03 04:03:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:43,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020136782] [2022-11-03 04:03:43,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-03 04:03:44,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:44,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020136782] [2022-11-03 04:03:44,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020136782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:44,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:44,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:03:44,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139357366] [2022-11-03 04:03:44,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:44,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:03:44,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:03:44,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:03:44,411 INFO L87 Difference]: Start difference. First operand 3629 states and 5267 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 04:03:46,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:49,772 INFO L93 Difference]: Finished difference Result 3635 states and 5272 transitions. [2022-11-03 04:03:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:03:49,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 180 [2022-11-03 04:03:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:49,796 INFO L225 Difference]: With dead ends: 3635 [2022-11-03 04:03:49,796 INFO L226 Difference]: Without dead ends: 3610 [2022-11-03 04:03:49,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:03:49,801 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 1312 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:49,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 3294 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 774 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 04:03:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2022-11-03 04:03:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3610. [2022-11-03 04:03:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3610 states, 2268 states have (on average 1.3271604938271604) internal successors, (3010), 2323 states have internal predecessors, (3010), 1093 states have call successors, (1093), 250 states have call predecessors, (1093), 248 states have return successors, (1138), 1080 states have call predecessors, (1138), 1090 states have call successors, (1138) [2022-11-03 04:03:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 3610 states and 5241 transitions. [2022-11-03 04:03:50,029 INFO L78 Accepts]: Start accepts. Automaton has 3610 states and 5241 transitions. Word has length 180 [2022-11-03 04:03:50,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:50,030 INFO L495 AbstractCegarLoop]: Abstraction has 3610 states and 5241 transitions. [2022-11-03 04:03:50,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 04:03:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3610 states and 5241 transitions. [2022-11-03 04:03:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-11-03 04:03:50,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:50,110 INFO L195 NwaCegarLoop]: trace histogram [29, 22, 22, 22, 22, 22, 22, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:03:50,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:03:50,111 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 04:03:50,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1373224768, now seen corresponding path program 1 times [2022-11-03 04:03:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:50,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574313247] [2022-11-03 04:03:50,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:50,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2274 trivial. 0 not checked. [2022-11-03 04:03:50,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:50,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574313247] [2022-11-03 04:03:50,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574313247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:50,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:50,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:50,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580617619] [2022-11-03 04:03:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:50,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:50,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:50,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:50,996 INFO L87 Difference]: Start difference. First operand 3610 states and 5241 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 04:03:53,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:03:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:03:56,214 INFO L93 Difference]: Finished difference Result 10144 states and 14647 transitions. [2022-11-03 04:03:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:03:56,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 451 [2022-11-03 04:03:56,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:03:56,259 INFO L225 Difference]: With dead ends: 10144 [2022-11-03 04:03:56,259 INFO L226 Difference]: Without dead ends: 6559 [2022-11-03 04:03:56,277 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 04:03:56,278 INFO L413 NwaCegarLoop]: 1393 mSDtfsCounter, 1027 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:03:56,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 2433 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 04:03:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6559 states. [2022-11-03 04:03:56,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 6543. [2022-11-03 04:03:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6543 states, 4067 states have (on average 1.2999754118514877) internal successors, (5287), 4178 states have internal predecessors, (5287), 1991 states have call successors, (1991), 486 states have call predecessors, (1991), 484 states have return successors, (2038), 1962 states have call predecessors, (2038), 1988 states have call successors, (2038) [2022-11-03 04:03:56,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6543 states to 6543 states and 9316 transitions. [2022-11-03 04:03:56,820 INFO L78 Accepts]: Start accepts. Automaton has 6543 states and 9316 transitions. Word has length 451 [2022-11-03 04:03:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:03:56,821 INFO L495 AbstractCegarLoop]: Abstraction has 6543 states and 9316 transitions. [2022-11-03 04:03:56,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 04:03:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6543 states and 9316 transitions. [2022-11-03 04:03:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-11-03 04:03:56,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:03:56,853 INFO L195 NwaCegarLoop]: trace histogram [30, 22, 22, 22, 22, 22, 22, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:03:56,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:03:56,853 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 04:03:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:03:56,854 INFO L85 PathProgramCache]: Analyzing trace with hash -249324061, now seen corresponding path program 1 times [2022-11-03 04:03:56,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:03:56,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867695676] [2022-11-03 04:03:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:03:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:03:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:03:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2381 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2375 trivial. 0 not checked. [2022-11-03 04:03:57,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:03:57,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867695676] [2022-11-03 04:03:57,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867695676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:03:57,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:03:57,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:03:57,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164584574] [2022-11-03 04:03:57,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:03:57,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:03:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:03:57,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:03:57,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:03:57,574 INFO L87 Difference]: Start difference. First operand 6543 states and 9316 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-03 04:03:59,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:02,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:02,669 INFO L93 Difference]: Finished difference Result 12776 states and 18131 transitions. [2022-11-03 04:04:02,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:02,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 454 [2022-11-03 04:04:02,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:02,709 INFO L225 Difference]: With dead ends: 12776 [2022-11-03 04:04:02,709 INFO L226 Difference]: Without dead ends: 6258 [2022-11-03 04:04:02,737 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 04:04:02,738 INFO L413 NwaCegarLoop]: 1733 mSDtfsCounter, 1223 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:02,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 2805 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 663 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 04:04:02,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6258 states. [2022-11-03 04:04:03,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6258 to 6247. [2022-11-03 04:04:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6247 states, 3947 states have (on average 1.2961743096022296) internal successors, (5116), 4051 states have internal predecessors, (5116), 1813 states have call successors, (1813), 488 states have call predecessors, (1813), 486 states have return successors, (1858), 1783 states have call predecessors, (1858), 1810 states have call successors, (1858) [2022-11-03 04:04:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6247 states to 6247 states and 8787 transitions. [2022-11-03 04:04:03,153 INFO L78 Accepts]: Start accepts. Automaton has 6247 states and 8787 transitions. Word has length 454 [2022-11-03 04:04:03,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:03,154 INFO L495 AbstractCegarLoop]: Abstraction has 6247 states and 8787 transitions. [2022-11-03 04:04:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-03 04:04:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 6247 states and 8787 transitions. [2022-11-03 04:04:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-11-03 04:04:03,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:03,182 INFO L195 NwaCegarLoop]: trace histogram [30, 22, 22, 22, 22, 22, 22, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:04:03,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:04:03,183 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 04:04:03,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:03,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1653609211, now seen corresponding path program 1 times [2022-11-03 04:04:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:03,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437853363] [2022-11-03 04:04:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:03,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2405 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2394 trivial. 0 not checked. [2022-11-03 04:04:03,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:03,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437853363] [2022-11-03 04:04:03,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437853363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:03,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:03,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:03,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764700605] [2022-11-03 04:04:03,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:03,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:03,987 INFO L87 Difference]: Start difference. First operand 6247 states and 8787 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 04:04:06,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:09,342 INFO L93 Difference]: Finished difference Result 14652 states and 20655 transitions. [2022-11-03 04:04:09,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:09,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 459 [2022-11-03 04:04:09,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:09,394 INFO L225 Difference]: With dead ends: 14652 [2022-11-03 04:04:09,394 INFO L226 Difference]: Without dead ends: 8793 [2022-11-03 04:04:09,417 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 04:04:09,418 INFO L413 NwaCegarLoop]: 2078 mSDtfsCounter, 1221 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:09,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 3146 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 781 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-03 04:04:09,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8793 states. [2022-11-03 04:04:09,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8793 to 8782. [2022-11-03 04:04:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8782 states, 5570 states have (on average 1.2971274685816876) internal successors, (7225), 5717 states have internal predecessors, (7225), 2521 states have call successors, (2521), 692 states have call predecessors, (2521), 690 states have return successors, (2589), 2478 states have call predecessors, (2589), 2518 states have call successors, (2589) [2022-11-03 04:04:10,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8782 states to 8782 states and 12335 transitions. [2022-11-03 04:04:10,014 INFO L78 Accepts]: Start accepts. Automaton has 8782 states and 12335 transitions. Word has length 459 [2022-11-03 04:04:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:10,015 INFO L495 AbstractCegarLoop]: Abstraction has 8782 states and 12335 transitions. [2022-11-03 04:04:10,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 04:04:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 8782 states and 12335 transitions. [2022-11-03 04:04:10,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-11-03 04:04:10,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:10,040 INFO L195 NwaCegarLoop]: trace histogram [32, 22, 22, 22, 22, 22, 22, 11, 11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:04:10,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:04:10,040 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 04:04:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:10,041 INFO L85 PathProgramCache]: Analyzing trace with hash -191830524, now seen corresponding path program 1 times [2022-11-03 04:04:10,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:10,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970982136] [2022-11-03 04:04:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:10,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2599 trivial. 0 not checked. [2022-11-03 04:04:12,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:12,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970982136] [2022-11-03 04:04:12,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970982136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:12,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:12,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:12,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370118507] [2022-11-03 04:04:12,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:12,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:12,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:12,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:12,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:12,843 INFO L87 Difference]: Start difference. First operand 8782 states and 12335 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-03 04:04:14,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:04:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:18,041 INFO L93 Difference]: Finished difference Result 17208 states and 24404 transitions. [2022-11-03 04:04:18,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:18,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 500 [2022-11-03 04:04:18,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:18,079 INFO L225 Difference]: With dead ends: 17208 [2022-11-03 04:04:18,079 INFO L226 Difference]: Without dead ends: 8814 [2022-11-03 04:04:18,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:18,113 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 9 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:18,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3259 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 787 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 04:04:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8814 states. [2022-11-03 04:04:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8814 to 8806. [2022-11-03 04:04:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8806 states, 5590 states have (on average 1.2960644007155635) internal successors, (7245), 5741 states have internal predecessors, (7245), 2521 states have call successors, (2521), 692 states have call predecessors, (2521), 694 states have return successors, (2594), 2478 states have call predecessors, (2594), 2518 states have call successors, (2594) [2022-11-03 04:04:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8806 states to 8806 states and 12360 transitions. [2022-11-03 04:04:18,623 INFO L78 Accepts]: Start accepts. Automaton has 8806 states and 12360 transitions. Word has length 500 [2022-11-03 04:04:18,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:18,624 INFO L495 AbstractCegarLoop]: Abstraction has 8806 states and 12360 transitions. [2022-11-03 04:04:18,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-03 04:04:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 8806 states and 12360 transitions. [2022-11-03 04:04:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-11-03 04:04:18,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:18,650 INFO L195 NwaCegarLoop]: trace histogram [32, 22, 22, 22, 22, 22, 22, 13, 13, 4, 4, 4, 4, 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, 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] [2022-11-03 04:04:18,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:04:18,650 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 04:04:18,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2038849068, now seen corresponding path program 1 times [2022-11-03 04:04:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:18,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010070129] [2022-11-03 04:04:18,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 38 proven. 20 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2022-11-03 04:04:21,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:21,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010070129] [2022-11-03 04:04:21,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010070129] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:04:21,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578219660] [2022-11-03 04:04:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:21,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:21,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:21,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:04:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:04:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:23,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 4808 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-03 04:04:23,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1346 proven. 23 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2022-11-03 04:04:25,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:04:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 35 proven. 25 refuted. 0 times theorem prover too weak. 2633 trivial. 0 not checked. [2022-11-03 04:04:27,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578219660] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:27,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1263830610] [2022-11-03 04:04:27,537 INFO L159 IcfgInterpreter]: Started Sifa with 234 locations of interest [2022-11-03 04:04:27,538 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:27,543 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:27,549 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:27,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:07:22,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1352 treesize of output 1151 [2022-11-03 04:09:50,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1352 treesize of output 1151 [2022-11-03 04:09:52,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 732 treesize of output 686 [2022-11-03 04:15:21,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:15:21,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:15:21,615 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.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 04:15:21,619 INFO L158 Benchmark]: Toolchain (without parser) took 736683.05ms. Allocated memory was 121.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 74.1MB in the beginning and 594.8MB in the end (delta: -520.7MB). Peak memory consumption was 965.0MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,619 INFO L158 Benchmark]: CDTParser took 8.17ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 57.3MB in the beginning and 102.6MB in the end (delta: -45.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3002.34ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 73.9MB in the beginning and 70.2MB in the end (delta: 3.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 273.11ms. Allocated memory is still 161.5MB. Free memory was 70.2MB in the beginning and 89.0MB in the end (delta: -18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,620 INFO L158 Benchmark]: Boogie Preprocessor took 220.43ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 64.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,620 INFO L158 Benchmark]: RCFGBuilder took 20680.44ms. Allocated memory was 161.5MB in the beginning and 723.5MB in the end (delta: 562.0MB). Free memory was 64.8MB in the beginning and 512.4MB in the end (delta: -447.5MB). Peak memory consumption was 435.3MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,620 INFO L158 Benchmark]: TraceAbstraction took 712498.93ms. Allocated memory was 723.5MB in the beginning and 1.4GB in the end (delta: 664.8MB). Free memory was 511.3MB in the beginning and 594.8MB in the end (delta: -83.5MB). Peak memory consumption was 799.9MB. Max. memory is 16.1GB. [2022-11-03 04:15:21,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 8.17ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 57.3MB in the beginning and 102.6MB in the end (delta: -45.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3002.34ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 73.9MB in the beginning and 70.2MB in the end (delta: 3.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 273.11ms. Allocated memory is still 161.5MB. Free memory was 70.2MB in the beginning and 89.0MB in the end (delta: -18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.43ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 64.8MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20680.44ms. Allocated memory was 161.5MB in the beginning and 723.5MB in the end (delta: 562.0MB). Free memory was 64.8MB in the beginning and 512.4MB in the end (delta: -447.5MB). Peak memory consumption was 435.3MB. Max. memory is 16.1GB. * TraceAbstraction took 712498.93ms. Allocated memory was 723.5MB in the beginning and 1.4GB in the end (delta: 664.8MB). Free memory was 511.3MB in the beginning and 594.8MB in the end (delta: -83.5MB). Peak memory consumption was 799.9MB. 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 04:15:21,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 --- 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 04:15:23,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:15:23,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:15:23,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:15:23,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:15:23,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:15:23,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:15:23,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:15:23,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:15:23,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:15:23,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:15:23,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:15:23,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:15:23,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:15:23,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:15:23,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:15:23,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:15:23,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:15:23,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:15:23,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:15:23,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:15:23,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:15:23,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:15:23,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:15:23,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:15:23,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:15:23,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:15:23,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:15:23,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:15:23,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:15:23,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:15:23,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:15:23,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:15:23,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:15:23,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:15:23,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:15:23,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:15:23,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:15:23,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:15:23,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:15:23,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:15:23,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 04:15:24,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:15:24,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:15:24,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:15:24,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:15:24,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:15:24,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:15:24,022 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:15:24,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:15:24,022 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:15:24,022 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:15:24,023 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:15:24,023 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:15:24,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:15:24,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:15:24,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:15:24,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:15:24,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:15:24,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:15:24,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:15:24,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 04:15:24,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:15:24,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:15:24,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:15:24,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:15:24,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:15:24,028 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 04:15:24,028 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 04:15:24,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:15:24,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:15:24,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 04:15:24,029 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_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d96d66163c8e8d61a2fa90f8dc8359a87f83533e82cd74c25a40ad0f5e1f460 [2022-11-03 04:15:24,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:15:24,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:15:24,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:15:24,439 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:15:24,440 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:15:24,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-11-03 04:15:24,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/654b59354/3929bc0bd2df4e5a84b75927b99efe8e/FLAG6f14c425b [2022-11-03 04:15:25,420 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:15:25,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-ethernet-ethoc.cil.i [2022-11-03 04:15:25,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/654b59354/3929bc0bd2df4e5a84b75927b99efe8e/FLAG6f14c425b [2022-11-03 04:15:25,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c917bd-ab9a-4228-9df9-b3abf93b2bb2/bin/utaipan-7li7fVZpFI/data/654b59354/3929bc0bd2df4e5a84b75927b99efe8e [2022-11-03 04:15:25,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:15:25,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:15:25,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:15:25,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:15:25,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:15:25,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:15:25" (1/1) ... [2022-11-03 04:15:25,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ea9d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:15:25, skipping insertion in model container [2022-11-03 04:15:25,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:15:25" (1/1) ... [2022-11-03 04:15:25,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:15:26,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:15:27,947 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:1620) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 04:15:27,951 INFO L158 Benchmark]: Toolchain (without parser) took 2027.79ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 49.2MB in the beginning and 55.7MB in the end (delta: -6.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-03 04:15:27,951 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 54.5MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:15:27,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2024.96ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 49.1MB in the beginning and 55.7MB in the end (delta: -6.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-03 04:15:27,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 54.5MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2024.96ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 49.1MB in the beginning and 55.7MB in the end (delta: -6.6MB). Peak memory consumption was 38.6MB. 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