./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-media-platform-vsp1-vsp1.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS --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 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 --- 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-8393723 [2022-11-19 07:06:52,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:06:52,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:06:52,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:06:52,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:06:52,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:06:52,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:06:52,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:06:52,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:06:52,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:06:52,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:06:52,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:06:52,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:06:52,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:06:52,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:06:52,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:06:52,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:06:52,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:06:52,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:06:52,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:06:52,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:06:52,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:06:52,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:06:52,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:06:52,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:06:52,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:06:52,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:06:52,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:06:52,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:06:52,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:06:52,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:06:52,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:06:52,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:06:52,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:06:52,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:06:52,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:06:52,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:06:52,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:06:52,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:06:52,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:06:52,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:06:52,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:06:52,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:06:52,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:06:52,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:06:52,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:06:52,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:06:52,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:06:52,651 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:06:52,651 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:06:52,652 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:06:52,652 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:06:52,653 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:06:52,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:06:52,653 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:06:52,653 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:06:52,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:06:52,654 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:06:52,654 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:06:52,654 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:06:52,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:06:52,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:06:52,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:06:52,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:06:52,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:06:52,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:06:52,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:06:52,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:06:52,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:06:52,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:06:52,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:06:52,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:06:52,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:06:52,657 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:06:52,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:06:52,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:06:52,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:06:52,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:06:52,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:06:52,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:06:52,658 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_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 [2022-11-19 07:06:52,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:06:52,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:06:52,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:06:52,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:06:52,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:06:52,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:06:53,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/data/8b8240b4a/9e97d3c16e904ab68975a00b482a8e82/FLAGb0787e8e0 [2022-11-19 07:06:54,085 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:06:54,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:06:54,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/data/8b8240b4a/9e97d3c16e904ab68975a00b482a8e82/FLAGb0787e8e0 [2022-11-19 07:06:54,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/data/8b8240b4a/9e97d3c16e904ab68975a00b482a8e82 [2022-11-19 07:06:54,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:06:54,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:06:54,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:06:54,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:06:54,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:06:54,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:06:54" (1/1) ... [2022-11-19 07:06:54,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772a0d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:06:54, skipping insertion in model container [2022-11-19 07:06:54,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:06:54" (1/1) ... [2022-11-19 07:06:54,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:06:54,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:06:59,634 WARN L234 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_639481b5-1bfd-43f4-b763-090431b67de5/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-19 07:06:59,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:06:59,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:07:00,382 WARN L234 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_639481b5-1bfd-43f4-b763-090431b67de5/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-19 07:07:00,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:00,833 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:07:00,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00 WrapperNode [2022-11-19 07:07:00,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:00,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:00,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:07:00,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:07:00,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:00,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,299 INFO L138 Inliner]: procedures = 628, calls = 4592, calls flagged for inlining = 327, calls inlined = 323, statements flattened = 9501 [2022-11-19 07:07:01,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:01,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:07:01,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:07:01,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:07:01,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,858 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:01,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:02,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:07:02,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:07:02,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:07:02,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:07:02,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (1/1) ... [2022-11-19 07:07:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:07:02,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:07:02,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639481b5-1bfd-43f4-b763-090431b67de5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:07:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-11-19 07:07:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-11-19 07:07:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-11-19 07:07:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-11-19 07:07:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-11-19 07:07:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-11-19 07:07:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:07:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:07:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-11-19 07:07:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-11-19 07:07:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-11-19 07:07:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-11-19 07:07:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-11-19 07:07:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-11-19 07:07:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-11-19 07:07:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-11-19 07:07:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:07:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:07:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-11-19 07:07:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-11-19 07:07:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-11-19 07:07:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-11-19 07:07:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-11-19 07:07:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-11-19 07:07:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-11-19 07:07:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-11-19 07:07:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:07:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:07:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-11-19 07:07:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-11-19 07:07:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-11-19 07:07:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-11-19 07:07:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-11-19 07:07:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-11-19 07:07:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-11-19 07:07:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-11-19 07:07:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:07:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:07:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-11-19 07:07:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-11-19 07:07:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-11-19 07:07:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-11-19 07:07:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-11-19 07:07:02,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-11-19 07:07:02,137 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-11-19 07:07:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-11-19 07:07:02,138 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-11-19 07:07:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-11-19 07:07:02,139 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-11-19 07:07:02,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-11-19 07:07:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-11-19 07:07:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-11-19 07:07:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-11-19 07:07:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-11-19 07:07:02,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:07:02,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:07:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:07:02,141 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:07:02,141 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-11-19 07:07:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-11-19 07:07:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-11-19 07:07:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-11-19 07:07:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:07:02,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:07:02,142 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-11-19 07:07:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-11-19 07:07:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:07:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:07:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-11-19 07:07:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-11-19 07:07:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-19 07:07:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-19 07:07:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-11-19 07:07:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-11-19 07:07:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:07:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-11-19 07:07:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-11-19 07:07:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:07:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:07:02,145 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-11-19 07:07:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-11-19 07:07:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:07:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:07:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-11-19 07:07:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-11-19 07:07:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:07:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-19 07:07:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-11-19 07:07:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-11-19 07:07:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-19 07:07:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-19 07:07:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:07:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:07:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-11-19 07:07:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-11-19 07:07:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-11-19 07:07:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-11-19 07:07:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:07:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-11-19 07:07:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-11-19 07:07:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-19 07:07:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-19 07:07:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:07:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:07:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:07:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:07:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:07:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:07:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-11-19 07:07:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-11-19 07:07:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-11-19 07:07:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-11-19 07:07:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-11-19 07:07:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-11-19 07:07:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-11-19 07:07:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-11-19 07:07:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-11-19 07:07:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-11-19 07:07:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:07:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 07:07:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 07:07:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 07:07:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 07:07:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 07:07:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 07:07:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 07:07:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 07:07:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-19 07:07:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-19 07:07:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-11-19 07:07:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-11-19 07:07:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-11-19 07:07:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-11-19 07:07:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-19 07:07:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-19 07:07:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:07:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-11-19 07:07:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-11-19 07:07:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:07:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:07:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:07:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-11-19 07:07:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-11-19 07:07:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-11-19 07:07:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-11-19 07:07:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:07:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:07:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-11-19 07:07:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-11-19 07:07:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:07:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:07:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-11-19 07:07:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-11-19 07:07:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-11-19 07:07:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-11-19 07:07:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-11-19 07:07:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-11-19 07:07:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-11-19 07:07:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-11-19 07:07:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-11-19 07:07:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-11-19 07:07:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-11-19 07:07:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-11-19 07:07:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-11-19 07:07:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-11-19 07:07:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-19 07:07:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-19 07:07:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:07:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:07:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 07:07:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 07:07:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-11-19 07:07:02,172 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-11-19 07:07:02,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:07:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:07:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-11-19 07:07:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-11-19 07:07:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:07:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:07:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-11-19 07:07:02,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-11-19 07:07:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-11-19 07:07:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-11-19 07:07:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-11-19 07:07:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-11-19 07:07:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-11-19 07:07:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-11-19 07:07:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-11-19 07:07:02,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-11-19 07:07:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-11-19 07:07:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-11-19 07:07:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-11-19 07:07:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-11-19 07:07:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:07:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:07:02,175 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-11-19 07:07:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-11-19 07:07:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-11-19 07:07:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-11-19 07:07:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-11-19 07:07:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-11-19 07:07:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-11-19 07:07:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-11-19 07:07:02,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:07:02,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:07:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-11-19 07:07:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-11-19 07:07:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-11-19 07:07:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-11-19 07:07:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:07:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:07:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:07:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:07:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-11-19 07:07:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-11-19 07:07:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-11-19 07:07:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-11-19 07:07:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-11-19 07:07:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-11-19 07:07:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-11-19 07:07:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-11-19 07:07:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:07:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:07:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-11-19 07:07:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-11-19 07:07:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-19 07:07:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-19 07:07:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-11-19 07:07:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-11-19 07:07:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-19 07:07:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-19 07:07:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 07:07:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 07:07:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-11-19 07:07:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-11-19 07:07:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-11-19 07:07:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-11-19 07:07:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:07:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:07:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:07:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-11-19 07:07:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-11-19 07:07:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-19 07:07:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-19 07:07:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:07:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-11-19 07:07:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-11-19 07:07:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-11-19 07:07:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-11-19 07:07:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-11-19 07:07:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-11-19 07:07:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:07:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-11-19 07:07:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-11-19 07:07:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-11-19 07:07:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-11-19 07:07:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:07:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:07:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-11-19 07:07:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-11-19 07:07:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 07:07:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 07:07:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:07:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:07:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:07:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:07:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-19 07:07:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-19 07:07:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:07:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:07:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-11-19 07:07:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-11-19 07:07:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:07:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:07:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-11-19 07:07:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-11-19 07:07:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-11-19 07:07:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-11-19 07:07:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-11-19 07:07:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-11-19 07:07:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-11-19 07:07:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-11-19 07:07:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-11-19 07:07:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-11-19 07:07:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-11-19 07:07:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-11-19 07:07:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-11-19 07:07:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-11-19 07:07:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-19 07:07:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-11-19 07:07:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-11-19 07:07:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:07:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:07:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-11-19 07:07:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-11-19 07:07:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-11-19 07:07:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-11-19 07:07:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-11-19 07:07:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-11-19 07:07:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-11-19 07:07:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-11-19 07:07:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-11-19 07:07:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-11-19 07:07:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-11-19 07:07:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-11-19 07:07:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:07:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:07:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:07:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-11-19 07:07:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-11-19 07:07:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-19 07:07:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-19 07:07:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-11-19 07:07:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-11-19 07:07:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-11-19 07:07:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-11-19 07:07:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-11-19 07:07:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-11-19 07:07:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-19 07:07:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-19 07:07:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-11-19 07:07:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-11-19 07:07:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-11-19 07:07:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-11-19 07:07:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-11-19 07:07:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-11-19 07:07:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-11-19 07:07:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-11-19 07:07:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-11-19 07:07:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-11-19 07:07:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-19 07:07:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-19 07:07:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-11-19 07:07:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-11-19 07:07:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-11-19 07:07:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-11-19 07:07:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:07:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:07:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:07:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:07:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-11-19 07:07:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-11-19 07:07:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:07:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:07:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-19 07:07:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-19 07:07:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-11-19 07:07:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-11-19 07:07:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-11-19 07:07:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-11-19 07:07:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:07:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:07:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:07:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:07:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:07:03,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:07:03,895 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:07:07,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:08:25,736 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 07:08:25,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:08:28,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:08:28,156 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:08:28,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:28 BoogieIcfgContainer [2022-11-19 07:08:28,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:08:28,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:08:28,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:08:28,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:08:28,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:06:54" (1/3) ... [2022-11-19 07:08:28,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f15027b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:28, skipping insertion in model container [2022-11-19 07:08:28,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:00" (2/3) ... [2022-11-19 07:08:28,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f15027b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:08:28, skipping insertion in model container [2022-11-19 07:08:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:08:28" (3/3) ... [2022-11-19 07:08:28,185 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-19 07:08:28,204 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:08:28,204 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:08:28,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:08:28,340 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;@102dbc18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:08:28,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:08:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 2790 states, 1738 states have (on average 1.3342922899884926) internal successors, (2319), 1758 states have internal predecessors, (2319), 881 states have call successors, (881), 171 states have call predecessors, (881), 170 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-19 07:08:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-11-19 07:08:28,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:28,434 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:28,435 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] === [2022-11-19 07:08:28,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:28,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1010935878, now seen corresponding path program 1 times [2022-11-19 07:08:28,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:28,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041012311] [2022-11-19 07:08:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-11-19 07:08:30,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:30,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041012311] [2022-11-19 07:08:30,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041012311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:30,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:30,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:08:30,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267716038] [2022-11-19 07:08:30,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:30,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:08:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:31,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:08:31,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:08:31,050 INFO L87 Difference]: Start difference. First operand has 2790 states, 1738 states have (on average 1.3342922899884926) internal successors, (2319), 1758 states have internal predecessors, (2319), 881 states have call successors, (881), 171 states have call predecessors, (881), 170 states have return successors, (868), 864 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:08:38,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:08:41,762 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 [] [2022-11-19 07:08:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:51,618 INFO L93 Difference]: Finished difference Result 7813 states and 11398 transitions. [2022-11-19 07:08:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:08:51,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1125 [2022-11-19 07:08:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:51,691 INFO L225 Difference]: With dead ends: 7813 [2022-11-19 07:08:51,691 INFO L226 Difference]: Without dead ends: 5226 [2022-11-19 07:08:51,713 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 [2022-11-19 07:08:51,717 INFO L413 NwaCegarLoop]: 4218 mSDtfsCounter, 3602 mSDsluCounter, 3444 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 7662 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:51,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3605 Valid, 7662 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1159 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2022-11-19 07:08:51,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2022-11-19 07:08:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5225. [2022-11-19 07:08:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 3301 states have (on average 1.337473492880945) internal successors, (4415), 3341 states have internal predecessors, (4415), 1587 states have call successors, (1587), 337 states have call predecessors, (1587), 336 states have return successors, (1586), 1574 states have call predecessors, (1586), 1583 states have call successors, (1586) [2022-11-19 07:08:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7588 transitions. [2022-11-19 07:08:52,202 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7588 transitions. Word has length 1125 [2022-11-19 07:08:52,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:52,209 INFO L495 AbstractCegarLoop]: Abstraction has 5225 states and 7588 transitions. [2022-11-19 07:08:52,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-11-19 07:08:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7588 transitions. [2022-11-19 07:08:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2022-11-19 07:08:52,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:52,287 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:52,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:08:52,288 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] === [2022-11-19 07:08:52,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:52,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1505463995, now seen corresponding path program 1 times [2022-11-19 07:08:52,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:08:52,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195493578] [2022-11-19 07:08:52,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:52,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:08:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-11-19 07:08:55,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:08:55,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195493578] [2022-11-19 07:08:55,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195493578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:55,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:55,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:08:55,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460720011] [2022-11-19 07:08:55,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:55,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:08:55,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:08:55,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:08:55,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:08:55,780 INFO L87 Difference]: Start difference. First operand 5225 states and 7588 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2022-11-19 07:09:00,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:08,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:10,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:21,762 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 [] [2022-11-19 07:09:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:09:24,992 INFO L93 Difference]: Finished difference Result 5235 states and 7598 transitions. [2022-11-19 07:09:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:09:24,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 1181 [2022-11-19 07:09:24,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:09:25,032 INFO L225 Difference]: With dead ends: 5235 [2022-11-19 07:09:25,032 INFO L226 Difference]: Without dead ends: 5233 [2022-11-19 07:09:25,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:09:25,037 INFO L413 NwaCegarLoop]: 3473 mSDtfsCounter, 3765 mSDsluCounter, 6946 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3770 SdHoareTripleChecker+Valid, 10419 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:09:25,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3770 Valid, 10419 Invalid, 1657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1654 Invalid, 2 Unknown, 0 Unchecked, 28.8s Time] [2022-11-19 07:09:25,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2022-11-19 07:09:25,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 5233. [2022-11-19 07:09:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 3306 states have (on average 1.336963097398669) internal successors, (4420), 3347 states have internal predecessors, (4420), 1587 states have call successors, (1587), 339 states have call predecessors, (1587), 339 states have return successors, (1589), 1574 states have call predecessors, (1589), 1583 states have call successors, (1589) [2022-11-19 07:09:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 7596 transitions. [2022-11-19 07:09:25,335 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 7596 transitions. Word has length 1181 [2022-11-19 07:09:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:09:25,338 INFO L495 AbstractCegarLoop]: Abstraction has 5233 states and 7596 transitions. [2022-11-19 07:09:25,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2022-11-19 07:09:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 7596 transitions. [2022-11-19 07:09:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1187 [2022-11-19 07:09:25,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:09:25,368 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:09:25,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:09:25,371 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] === [2022-11-19 07:09:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:09:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1459805514, now seen corresponding path program 1 times [2022-11-19 07:09:25,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:09:25,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780969176] [2022-11-19 07:09:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:09:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:09:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:09:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48888 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-11-19 07:09:27,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:09:27,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780969176] [2022-11-19 07:09:27,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780969176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:09:27,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:09:27,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:09:27,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121218561] [2022-11-19 07:09:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:09:27,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:09:27,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:09:27,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:09:27,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:09:27,979 INFO L87 Difference]: Start difference. First operand 5233 states and 7596 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-11-19 07:09:39,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:09:48,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:09:54,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:06,483 INFO L93 Difference]: Finished difference Result 10217 states and 14955 transitions. [2022-11-19 07:10:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:10:06,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 1186 [2022-11-19 07:10:06,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:06,558 INFO L225 Difference]: With dead ends: 10217 [2022-11-19 07:10:06,558 INFO L226 Difference]: Without dead ends: 10213 [2022-11-19 07:10:06,566 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 [2022-11-19 07:10:06,567 INFO L413 NwaCegarLoop]: 4312 mSDtfsCounter, 3787 mSDsluCounter, 11781 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3791 SdHoareTripleChecker+Valid, 16093 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:06,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3791 Valid, 16093 Invalid, 2210 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 2203 Invalid, 3 Unknown, 0 Unchecked, 37.8s Time] [2022-11-19 07:10:06,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10213 states. [2022-11-19 07:10:07,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10213 to 10202. [2022-11-19 07:10:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10202 states, 6474 states have (on average 1.3430645659561322) internal successors, (8695), 6561 states have internal predecessors, (8695), 3055 states have call successors, (3055), 676 states have call predecessors, (3055), 672 states have return successors, (3189), 3018 states have call predecessors, (3189), 3047 states have call successors, (3189) [2022-11-19 07:10:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10202 states to 10202 states and 14939 transitions. [2022-11-19 07:10:07,148 INFO L78 Accepts]: Start accepts. Automaton has 10202 states and 14939 transitions. Word has length 1186 [2022-11-19 07:10:07,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:07,150 INFO L495 AbstractCegarLoop]: Abstraction has 10202 states and 14939 transitions. [2022-11-19 07:10:07,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-11-19 07:10:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 10202 states and 14939 transitions. [2022-11-19 07:10:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1193 [2022-11-19 07:10:07,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:07,185 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:07,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:10:07,185 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] === [2022-11-19 07:10:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1170823760, now seen corresponding path program 1 times [2022-11-19 07:10:07,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:07,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591903302] [2022-11-19 07:10:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:09,887 INFO L134 CoverageAnalysis]: Checked inductivity of 48895 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48891 trivial. 0 not checked. [2022-11-19 07:10:09,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:09,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591903302] [2022-11-19 07:10:09,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591903302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:09,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:09,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:10:09,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677610985] [2022-11-19 07:10:09,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:09,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:10:09,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:10:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:10:09,890 INFO L87 Difference]: Start difference. First operand 10202 states and 14939 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2022-11-19 07:10:13,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:33,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:41,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:45,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:45,574 INFO L93 Difference]: Finished difference Result 20097 states and 29613 transitions. [2022-11-19 07:10:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:10:45,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 1192 [2022-11-19 07:10:45,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:45,706 INFO L225 Difference]: With dead ends: 20097 [2022-11-19 07:10:45,707 INFO L226 Difference]: Without dead ends: 20063 [2022-11-19 07:10:45,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:10:45,727 INFO L413 NwaCegarLoop]: 4229 mSDtfsCounter, 3754 mSDsluCounter, 11623 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3757 SdHoareTripleChecker+Valid, 15852 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:45,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3757 Valid, 15852 Invalid, 2202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2198 Invalid, 1 Unknown, 0 Unchecked, 34.9s Time] [2022-11-19 07:10:45,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20063 states. [2022-11-19 07:10:46,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20063 to 20056. [2022-11-19 07:10:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20056 states, 12765 states have (on average 1.346102624363494) internal successors, (17183), 12939 states have internal predecessors, (17183), 5954 states have call successors, (5954), 1345 states have call predecessors, (5954), 1336 states have return successors, (6428), 5879 states have call predecessors, (6428), 5942 states have call successors, (6428) [2022-11-19 07:10:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20056 states to 20056 states and 29565 transitions. [2022-11-19 07:10:47,087 INFO L78 Accepts]: Start accepts. Automaton has 20056 states and 29565 transitions. Word has length 1192 [2022-11-19 07:10:47,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:47,089 INFO L495 AbstractCegarLoop]: Abstraction has 20056 states and 29565 transitions. [2022-11-19 07:10:47,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2022-11-19 07:10:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 20056 states and 29565 transitions. [2022-11-19 07:10:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2022-11-19 07:10:47,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:47,165 INFO L195 NwaCegarLoop]: trace histogram [116, 110, 110, 110, 110, 110, 110, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:47,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:10:47,166 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] === [2022-11-19 07:10:47,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:47,166 INFO L85 PathProgramCache]: Analyzing trace with hash 467951389, now seen corresponding path program 1 times [2022-11-19 07:10:47,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:47,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949690338] [2022-11-19 07:10:47,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49345 trivial. 0 not checked. [2022-11-19 07:10:48,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:48,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949690338] [2022-11-19 07:10:48,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949690338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:48,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:48,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:10:48,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043299401] [2022-11-19 07:10:48,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:48,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:10:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:10:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:10:48,382 INFO L87 Difference]: Start difference. First operand 20056 states and 29565 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2022-11-19 07:10:50,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:10:59,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:01,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:07,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:10,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:10,540 INFO L93 Difference]: Finished difference Result 49552 states and 72938 transitions. [2022-11-19 07:11:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:10,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) Word has length 1243 [2022-11-19 07:11:10,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:10,718 INFO L225 Difference]: With dead ends: 49552 [2022-11-19 07:11:10,718 INFO L226 Difference]: Without dead ends: 29717 [2022-11-19 07:11:10,825 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 [2022-11-19 07:11:10,827 INFO L413 NwaCegarLoop]: 4212 mSDtfsCounter, 3540 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 7662 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:10,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 7662 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1132 Invalid, 1 Unknown, 0 Unchecked, 21.0s Time] [2022-11-19 07:11:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29717 states. [2022-11-19 07:11:12,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29717 to 29667. [2022-11-19 07:11:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29667 states, 18880 states have (on average 1.3435911016949154) internal successors, (25367), 19154 states have internal predecessors, (25367), 8780 states have call successors, (8780), 2018 states have call predecessors, (8780), 2006 states have return successors, (9427), 8656 states have call predecessors, (9427), 8768 states have call successors, (9427) [2022-11-19 07:11:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29667 states to 29667 states and 43574 transitions. [2022-11-19 07:11:12,892 INFO L78 Accepts]: Start accepts. Automaton has 29667 states and 43574 transitions. Word has length 1243 [2022-11-19 07:11:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:12,895 INFO L495 AbstractCegarLoop]: Abstraction has 29667 states and 43574 transitions. [2022-11-19 07:11:12,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2022-11-19 07:11:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29667 states and 43574 transitions. [2022-11-19 07:11:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1241 [2022-11-19 07:11:12,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:12,984 INFO L195 NwaCegarLoop]: trace histogram [116, 110, 110, 110, 110, 110, 110, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:12,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:11:12,984 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] === [2022-11-19 07:11:12,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1899364784, now seen corresponding path program 1 times [2022-11-19 07:11:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:12,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083889264] [2022-11-19 07:11:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:12,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 49355 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 49347 trivial. 0 not checked. [2022-11-19 07:11:14,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:14,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083889264] [2022-11-19 07:11:14,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083889264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:14,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:14,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:11:14,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958210026] [2022-11-19 07:11:14,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:14,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:14,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:14,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:14,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:14,319 INFO L87 Difference]: Start difference. First operand 29667 states and 43574 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2022-11-19 07:11:19,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:23,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:24,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:25,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:31,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:33,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:39,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:11:39,615 INFO L93 Difference]: Finished difference Result 86635 states and 126706 transitions. [2022-11-19 07:11:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:11:39,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) Word has length 1240 [2022-11-19 07:11:39,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:11:39,904 INFO L225 Difference]: With dead ends: 86635 [2022-11-19 07:11:39,905 INFO L226 Difference]: Without dead ends: 57189 [2022-11-19 07:11:40,037 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 [2022-11-19 07:11:40,038 INFO L413 NwaCegarLoop]: 4707 mSDtfsCounter, 3482 mSDsluCounter, 3423 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:11:40,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 8130 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1244 Invalid, 1 Unknown, 0 Unchecked, 23.4s Time] [2022-11-19 07:11:40,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57189 states. [2022-11-19 07:11:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57189 to 57123. [2022-11-19 07:11:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57123 states, 36329 states have (on average 1.3370585482672246) internal successors, (48574), 36856 states have internal predecessors, (48574), 16848 states have call successors, (16848), 3966 states have call predecessors, (16848), 3945 states have return successors, (17639), 16600 states have call predecessors, (17639), 16836 states have call successors, (17639) [2022-11-19 07:11:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57123 states to 57123 states and 83061 transitions. [2022-11-19 07:11:43,898 INFO L78 Accepts]: Start accepts. Automaton has 57123 states and 83061 transitions. Word has length 1240 [2022-11-19 07:11:43,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:11:43,902 INFO L495 AbstractCegarLoop]: Abstraction has 57123 states and 83061 transitions. [2022-11-19 07:11:43,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (132), 2 states have call predecessors, (132), 1 states have return successors, (130), 3 states have call predecessors, (130), 3 states have call successors, (130) [2022-11-19 07:11:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57123 states and 83061 transitions. [2022-11-19 07:11:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1253 [2022-11-19 07:11:44,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:11:44,008 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 6, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:11:44,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:11:44,011 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] === [2022-11-19 07:11:44,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:11:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1584172388, now seen corresponding path program 1 times [2022-11-19 07:11:44,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:11:44,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849380152] [2022-11-19 07:11:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:11:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:11:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:11:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 49613 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 49599 trivial. 0 not checked. [2022-11-19 07:11:45,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:11:45,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849380152] [2022-11-19 07:11:45,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849380152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:11:45,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:11:45,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:11:45,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217627751] [2022-11-19 07:11:45,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:11:45,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:11:45,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:11:45,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:11:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:11:45,417 INFO L87 Difference]: Start difference. First operand 57123 states and 83061 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) [2022-11-19 07:11:48,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-19 07:11:51,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:55,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:57,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:11:59,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-19 07:12:05,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:12,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:12,494 INFO L93 Difference]: Finished difference Result 138768 states and 201772 transitions. [2022-11-19 07:12:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:12:12,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) Word has length 1252 [2022-11-19 07:12:12,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:13,186 INFO L225 Difference]: With dead ends: 138768 [2022-11-19 07:12:13,186 INFO L226 Difference]: Without dead ends: 81866 [2022-11-19 07:12:13,371 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 [2022-11-19 07:12:13,372 INFO L413 NwaCegarLoop]: 4895 mSDtfsCounter, 3611 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 8345 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:13,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3614 Valid, 8345 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2022-11-19 07:12:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81866 states. [2022-11-19 07:12:17,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81866 to 81802. [2022-11-19 07:12:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81802 states, 52139 states have (on average 1.3382688582443085) internal successors, (69776), 52928 states have internal predecessors, (69776), 23916 states have call successors, (23916), 5788 states have call predecessors, (23916), 5746 states have return successors, (25066), 23511 states have call predecessors, (25066), 23904 states have call successors, (25066) [2022-11-19 07:12:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81802 states to 81802 states and 118758 transitions. [2022-11-19 07:12:17,658 INFO L78 Accepts]: Start accepts. Automaton has 81802 states and 118758 transitions. Word has length 1252 [2022-11-19 07:12:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:17,660 INFO L495 AbstractCegarLoop]: Abstraction has 81802 states and 118758 transitions. [2022-11-19 07:12:17,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 3 states have call successors, (133), 2 states have call predecessors, (133), 1 states have return successors, (131), 3 states have call predecessors, (131), 3 states have call successors, (131) [2022-11-19 07:12:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 81802 states and 118758 transitions. [2022-11-19 07:12:17,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2022-11-19 07:12:17,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:17,749 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:17,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:12:17,750 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] === [2022-11-19 07:12:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 96693613, now seen corresponding path program 1 times [2022-11-19 07:12:17,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:17,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845820801] [2022-11-19 07:12:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 49610 trivial. 0 not checked. [2022-11-19 07:12:19,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:19,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845820801] [2022-11-19 07:12:19,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845820801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:19,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:19,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:12:19,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143260695] [2022-11-19 07:12:19,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:19,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:12:19,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:19,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:12:19,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:19,457 INFO L87 Difference]: Start difference. First operand 81802 states and 118758 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2022-11-19 07:12:31,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:12:35,501 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 [] [2022-11-19 07:12:49,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:12:49,565 INFO L93 Difference]: Finished difference Result 192699 states and 280235 transitions. [2022-11-19 07:12:49,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:12:49,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) Word has length 1257 [2022-11-19 07:12:49,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:12:50,135 INFO L225 Difference]: With dead ends: 192699 [2022-11-19 07:12:50,135 INFO L226 Difference]: Without dead ends: 117969 [2022-11-19 07:12:50,537 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 [2022-11-19 07:12:50,538 INFO L413 NwaCegarLoop]: 5925 mSDtfsCounter, 3603 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3606 SdHoareTripleChecker+Valid, 9376 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:12:50,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3606 Valid, 9376 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1546 Invalid, 1 Unknown, 0 Unchecked, 25.7s Time] [2022-11-19 07:12:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117969 states. [2022-11-19 07:12:55,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117969 to 117905. [2022-11-19 07:12:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117905 states, 75186 states have (on average 1.3387997765541457) internal successors, (100659), 76340 states have internal predecessors, (100659), 34428 states have call successors, (34428), 8356 states have call predecessors, (34428), 8290 states have return successors, (36145), 33826 states have call predecessors, (36145), 34416 states have call successors, (36145) [2022-11-19 07:12:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117905 states to 117905 states and 171232 transitions. [2022-11-19 07:12:56,296 INFO L78 Accepts]: Start accepts. Automaton has 117905 states and 171232 transitions. Word has length 1257 [2022-11-19 07:12:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:12:56,298 INFO L495 AbstractCegarLoop]: Abstraction has 117905 states and 171232 transitions. [2022-11-19 07:12:56,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (135), 2 states have call predecessors, (135), 1 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2022-11-19 07:12:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 117905 states and 171232 transitions. [2022-11-19 07:12:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2022-11-19 07:12:56,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:12:56,771 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:12:56,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:12:56,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:12:56,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:12:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 981575191, now seen corresponding path program 1 times [2022-11-19 07:12:56,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:12:56,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507977098] [2022-11-19 07:12:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:12:56,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:12:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:12:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 49611 trivial. 0 not checked. [2022-11-19 07:12:57,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:12:57,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507977098] [2022-11-19 07:12:57,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507977098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:12:57,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:12:57,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:12:57,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923575518] [2022-11-19 07:12:57,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:12:57,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:12:57,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:12:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:12:57,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:12:57,822 INFO L87 Difference]: Start difference. First operand 117905 states and 171232 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (134), 2 states have call predecessors, (134), 1 states have return successors, (132), 3 states have call predecessors, (132), 3 states have call successors, (132) [2022-11-19 07:13:05,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:09,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:13,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:13:30,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:13:30,438 INFO L93 Difference]: Finished difference Result 281247 states and 408728 transitions. [2022-11-19 07:13:30,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:13:30,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 3 states have call successors, (134), 2 states have call predecessors, (134), 1 states have return successors, (132), 3 states have call predecessors, (132), 3 states have call successors, (132) Word has length 1272 [2022-11-19 07:13:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:13:31,713 INFO L225 Difference]: With dead ends: 281247 [2022-11-19 07:13:31,713 INFO L226 Difference]: Without dead ends: 170414 [2022-11-19 07:13:31,987 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 [2022-11-19 07:13:31,988 INFO L413 NwaCegarLoop]: 6538 mSDtfsCounter, 3576 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 9986 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:13:31,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 9986 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1651 Invalid, 1 Unknown, 0 Unchecked, 26.3s Time] [2022-11-19 07:13:32,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170414 states.