./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/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_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:35:13,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:35:13,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:35:13,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:35:13,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:35:13,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:35:13,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:35:13,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:35:13,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:35:13,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:35:13,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:35:13,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:35:13,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:35:13,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:35:13,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:35:13,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:35:13,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:35:13,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:35:13,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:35:13,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:35:13,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:35:13,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:35:13,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:35:13,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:35:13,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:35:13,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:35:13,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:35:13,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:35:13,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:35:13,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:35:13,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:35:13,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:35:13,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:35:13,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:35:13,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:35:13,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:35:13,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:35:13,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:35:13,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:35:13,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:35:13,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:35:13,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:35:14,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:35:14,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:35:14,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:35:14,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:35:14,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:35:14,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:35:14,020 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:35:14,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:35:14,020 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:35:14,021 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:35:14,021 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:35:14,021 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:35:14,021 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:35:14,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:35:14,022 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:35:14,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:35:14,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:35:14,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:35:14,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:35:14,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:35:14,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:35:14,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:35:14,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:35:14,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:35:14,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:35:14,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:35:14,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:35:14,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:35:14,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:35:14,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:14,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:35:14,027 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:35:14,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:35:14,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:35:14,028 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:35:14,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:35:14,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:35:14,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:35:14,029 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_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8492b6089c1cc1619e91f114c32634d7ce609cc0a792df890c55445589dc7829 [2022-11-23 14:35:14,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:35:14,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:35:14,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:35:14,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:35:14,390 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:35:14,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-23 14:35:17,791 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:35:18,592 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:35:18,593 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-23 14:35:18,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/data/971c59d14/cca31c69be0a4e95ae4edf880188de80/FLAG2cc949a17 [2022-11-23 14:35:18,699 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/data/971c59d14/cca31c69be0a4e95ae4edf880188de80 [2022-11-23 14:35:18,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:35:18,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:35:18,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:18,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:35:18,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:35:18,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:18" (1/1) ... [2022-11-23 14:35:18,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd4af6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:18, skipping insertion in model container [2022-11-23 14:35:18,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:35:18" (1/1) ... [2022-11-23 14:35:18,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:35:18,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:35:24,113 WARN L237 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_cc672ef8-21a2-4057-bfac-3f23eee8b775/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-23 14:35:24,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:24,257 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:35:25,031 WARN L237 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_cc672ef8-21a2-4057-bfac-3f23eee8b775/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i[564650,564663] [2022-11-23 14:35:25,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:35:25,535 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:35:25,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25 WrapperNode [2022-11-23 14:35:25,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:35:25,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:25,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:35:25,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:35:25,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:25,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,060 INFO L138 Inliner]: procedures = 628, calls = 4559, calls flagged for inlining = 327, calls inlined = 323, statements flattened = 9526 [2022-11-23 14:35:26,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:35:26,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:35:26,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:35:26,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:35:26,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:35:26,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:35:26,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:35:26,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:35:26,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (1/1) ... [2022-11-23 14:35:26,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:35:26,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:35:26,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:35:26,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc672ef8-21a2-4057-bfac-3f23eee8b775/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:35:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-11-23 14:35:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-11-23 14:35:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-11-23 14:35:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-11-23 14:35:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-11-23 14:35:26,910 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-11-23 14:35:26,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:35:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:35:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-11-23 14:35:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-11-23 14:35:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-11-23 14:35:26,911 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-11-23 14:35:26,911 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-11-23 14:35:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-11-23 14:35:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-11-23 14:35:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-11-23 14:35:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:35:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:35:26,912 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-11-23 14:35:26,912 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-11-23 14:35:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-11-23 14:35:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-11-23 14:35:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-11-23 14:35:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-11-23 14:35:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-11-23 14:35:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-11-23 14:35:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:35:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:35:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-11-23 14:35:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-11-23 14:35:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-11-23 14:35:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-11-23 14:35:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-11-23 14:35:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-11-23 14:35:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-11-23 14:35:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-11-23 14:35:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 14:35:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 14:35:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-11-23 14:35:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-11-23 14:35:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-11-23 14:35:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-11-23 14:35:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-11-23 14:35:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-11-23 14:35:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-11-23 14:35:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-11-23 14:35:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-11-23 14:35:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-11-23 14:35:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-11-23 14:35:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-11-23 14:35:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-11-23 14:35:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-11-23 14:35:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-11-23 14:35:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-11-23 14:35:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 14:35:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 14:35:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 14:35:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 14:35:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-11-23 14:35:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-11-23 14:35:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-11-23 14:35:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-11-23 14:35:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:35:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:35:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-11-23 14:35:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-11-23 14:35:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:35:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:35:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-11-23 14:35:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-11-23 14:35:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-23 14:35:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-23 14:35:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-11-23 14:35:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-11-23 14:35:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:35:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-11-23 14:35:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-11-23 14:35:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-23 14:35:26,927 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-23 14:35:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-11-23 14:35:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-11-23 14:35:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 14:35:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 14:35:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-11-23 14:35:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-11-23 14:35:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-23 14:35:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-23 14:35:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-11-23 14:35:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-11-23 14:35:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-23 14:35:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-23 14:35:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 14:35:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 14:35:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-11-23 14:35:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-11-23 14:35:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-11-23 14:35:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-11-23 14:35:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:35:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-11-23 14:35:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-11-23 14:35:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 14:35:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-11-23 14:35:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 14:35:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 14:35:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 14:35:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 14:35:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 14:35:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 14:35:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-11-23 14:35:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-11-23 14:35:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-11-23 14:35:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-11-23 14:35:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-11-23 14:35:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-11-23 14:35:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-11-23 14:35:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-11-23 14:35:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-11-23 14:35:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-11-23 14:35:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:35:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 14:35:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 14:35:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 14:35:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 14:35:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 14:35:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 14:35:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 14:35:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 14:35:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 14:35:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 14:35:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-11-23 14:35:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-11-23 14:35:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-11-23 14:35:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-11-23 14:35:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-23 14:35:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-23 14:35:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:35:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-11-23 14:35:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-11-23 14:35:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 14:35:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 14:35:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:35:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-11-23 14:35:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-11-23 14:35:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-11-23 14:35:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-11-23 14:35:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:35:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:35:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-11-23 14:35:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-11-23 14:35:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:35:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:35:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-11-23 14:35:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-11-23 14:35:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-11-23 14:35:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-11-23 14:35:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-11-23 14:35:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-11-23 14:35:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-11-23 14:35:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-11-23 14:35:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-11-23 14:35:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-11-23 14:35:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-11-23 14:35:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-11-23 14:35:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-11-23 14:35:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-11-23 14:35:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-23 14:35:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-23 14:35:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 14:35:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 14:35:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-23 14:35:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-23 14:35:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-11-23 14:35:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-11-23 14:35:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:35:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:35:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-11-23 14:35:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-11-23 14:35:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:35:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:35:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-11-23 14:35:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-11-23 14:35:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-11-23 14:35:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-11-23 14:35:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-11-23 14:35:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-11-23 14:35:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-11-23 14:35:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-11-23 14:35:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-11-23 14:35:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-11-23 14:35:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-11-23 14:35:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-11-23 14:35:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-11-23 14:35:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-11-23 14:35:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:35:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:35:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-11-23 14:35:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-11-23 14:35:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-11-23 14:35:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-11-23 14:35:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-11-23 14:35:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-11-23 14:35:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-11-23 14:35:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-11-23 14:35:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 14:35:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 14:35:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-11-23 14:35:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-11-23 14:35:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-11-23 14:35:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-11-23 14:35:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:35:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:35:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:35:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:35:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-11-23 14:35:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-11-23 14:35:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-11-23 14:35:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-11-23 14:35:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-11-23 14:35:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-11-23 14:35:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-11-23 14:35:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-11-23 14:35:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 14:35:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 14:35:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-11-23 14:35:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-11-23 14:35:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-23 14:35:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-23 14:35:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-11-23 14:35:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-11-23 14:35:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-23 14:35:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-23 14:35:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-23 14:35:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-23 14:35:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-11-23 14:35:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-11-23 14:35:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-11-23 14:35:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-11-23 14:35:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:35:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 14:35:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 14:35:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-11-23 14:35:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-11-23 14:35:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-11-23 14:35:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-11-23 14:35:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:35:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-11-23 14:35:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-11-23 14:35:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-11-23 14:35:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-11-23 14:35:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-11-23 14:35:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-11-23 14:35:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:35:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-11-23 14:35:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-11-23 14:35:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-11-23 14:35:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-11-23 14:35:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 14:35:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 14:35:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-11-23 14:35:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-11-23 14:35:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-23 14:35:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-23 14:35:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 14:35:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 14:35:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 14:35:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 14:35:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-11-23 14:35:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-11-23 14:35:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 14:35:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 14:35:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-11-23 14:35:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-11-23 14:35:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:35:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:35:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-11-23 14:35:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-11-23 14:35:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-11-23 14:35:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-11-23 14:35:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-11-23 14:35:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-11-23 14:35:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-11-23 14:35:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-11-23 14:35:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-11-23 14:35:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-11-23 14:35:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-11-23 14:35:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-11-23 14:35:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-11-23 14:35:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-11-23 14:35:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-23 14:35:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-11-23 14:35:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-11-23 14:35:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 14:35:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 14:35:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-11-23 14:35:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-11-23 14:35:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-11-23 14:35:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-11-23 14:35:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-11-23 14:35:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-11-23 14:35:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-11-23 14:35:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-11-23 14:35:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-11-23 14:35:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-11-23 14:35:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-11-23 14:35:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-11-23 14:35:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:35:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:35:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:35:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-11-23 14:35:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-11-23 14:35:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-23 14:35:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-23 14:35:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-11-23 14:35:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-11-23 14:35:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-11-23 14:35:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-11-23 14:35:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-11-23 14:35:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-11-23 14:35:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-23 14:35:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-11-23 14:35:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-11-23 14:35:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-11-23 14:35:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-11-23 14:35:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-11-23 14:35:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-11-23 14:35:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-11-23 14:35:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-11-23 14:35:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-11-23 14:35:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-11-23 14:35:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-11-23 14:35:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-23 14:35:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-23 14:35:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-11-23 14:35:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-11-23 14:35:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-11-23 14:35:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-11-23 14:35:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 14:35:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 14:35:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 14:35:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 14:35:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-11-23 14:35:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-11-23 14:35:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 14:35:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 14:35:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-23 14:35:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-23 14:35:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-11-23 14:35:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-11-23 14:35:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-11-23 14:35:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-11-23 14:35:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:35:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:35:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:35:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 14:35:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 14:35:28,719 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:35:28,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:35:34,380 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:36:59,274 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 14:36:59,489 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:37:01,830 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:37:01,830 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-23 14:37:01,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:01 BoogieIcfgContainer [2022-11-23 14:37:01,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:37:01,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:37:01,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:37:01,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:37:01,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:35:18" (1/3) ... [2022-11-23 14:37:01,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0aeaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:01, skipping insertion in model container [2022-11-23 14:37:01,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:35:25" (2/3) ... [2022-11-23 14:37:01,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0aeaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:01, skipping insertion in model container [2022-11-23 14:37:01,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:01" (3/3) ... [2022-11-23 14:37:01,849 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-media-platform-vsp1-vsp1.cil.i [2022-11-23 14:37:01,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:37:01,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:37:02,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:37:02,028 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;@3240f3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:37:02,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:37:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1748 states have (on average 1.3381006864988558) internal successors, (2339), 1768 states have internal predecessors, (2339), 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) [2022-11-23 14:37:02,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-11-23 14:37:02,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:02,143 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] [2022-11-23 14:37:02,144 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] === [2022-11-23 14:37:02,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:02,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1810212662, now seen corresponding path program 1 times [2022-11-23 14:37:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:02,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017257473] [2022-11-23 14:37:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-11-23 14:37:05,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:05,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017257473] [2022-11-23 14:37:05,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017257473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:05,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:37:05,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:37:05,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527999352] [2022-11-23 14:37:05,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:05,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:37:05,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:37:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:37:05,091 INFO L87 Difference]: Start difference. First operand has 2800 states, 1748 states have (on average 1.3381006864988558) internal successors, (2339), 1768 states have internal predecessors, (2339), 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) [2022-11-23 14:37:10,331 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 [] [2022-11-23 14:37:11,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:16,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:19,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:27,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:37:27,612 INFO L93 Difference]: Finished difference Result 7843 states and 11458 transitions. [2022-11-23 14:37:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:37:27,616 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 [2022-11-23 14:37:27,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:37:27,690 INFO L225 Difference]: With dead ends: 7843 [2022-11-23 14:37:27,691 INFO L226 Difference]: Without dead ends: 5246 [2022-11-23 14:37:27,713 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 [2022-11-23 14:37:27,716 INFO L413 NwaCegarLoop]: 4238 mSDtfsCounter, 3622 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3625 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:37:27,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3625 Valid, 7702 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1159 Invalid, 1 Unknown, 0 Unchecked, 21.9s Time] [2022-11-23 14:37:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2022-11-23 14:37:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 5245. [2022-11-23 14:37:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3321 states have (on average 1.3414634146341464) internal successors, (4455), 3361 states have internal predecessors, (4455), 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) [2022-11-23 14:37:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7628 transitions. [2022-11-23 14:37:28,219 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7628 transitions. Word has length 1125 [2022-11-23 14:37:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:37:28,228 INFO L495 AbstractCegarLoop]: Abstraction has 5245 states and 7628 transitions. [2022-11-23 14:37:28,228 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) [2022-11-23 14:37:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7628 transitions. [2022-11-23 14:37:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2022-11-23 14:37:28,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:28,323 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] [2022-11-23 14:37:28,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:37:28,324 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] === [2022-11-23 14:37:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:28,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2134401853, now seen corresponding path program 1 times [2022-11-23 14:37:28,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:28,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910108704] [2022-11-23 14:37:28,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:28,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-11-23 14:37:32,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:32,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910108704] [2022-11-23 14:37:32,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910108704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:32,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:37:32,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:37:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715953797] [2022-11-23 14:37:32,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:32,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:37:32,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:32,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:37:32,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:37:32,749 INFO L87 Difference]: Start difference. First operand 5245 states and 7628 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) [2022-11-23 14:37:37,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:47,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:48,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:49,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:54,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:56,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:01,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:05,726 INFO L93 Difference]: Finished difference Result 5255 states and 7638 transitions. [2022-11-23 14:38:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:38:05,727 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 [2022-11-23 14:38:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:05,890 INFO L225 Difference]: With dead ends: 5255 [2022-11-23 14:38:05,890 INFO L226 Difference]: Without dead ends: 5253 [2022-11-23 14:38:05,893 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 [2022-11-23 14:38:05,894 INFO L413 NwaCegarLoop]: 3493 mSDtfsCounter, 3785 mSDsluCounter, 6986 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3790 SdHoareTripleChecker+Valid, 10479 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:05,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3790 Valid, 10479 Invalid, 1657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1655 Invalid, 1 Unknown, 0 Unchecked, 32.5s Time] [2022-11-23 14:38:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-11-23 14:38:06,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 5253. [2022-11-23 14:38:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3326 states have (on average 1.3409500901984366) internal successors, (4460), 3367 states have internal predecessors, (4460), 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) [2022-11-23 14:38:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 7636 transitions. [2022-11-23 14:38:06,221 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 7636 transitions. Word has length 1181 [2022-11-23 14:38:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:06,224 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 7636 transitions. [2022-11-23 14:38:06,225 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) [2022-11-23 14:38:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 7636 transitions. [2022-11-23 14:38:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2022-11-23 14:38:06,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:06,253 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 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] [2022-11-23 14:38:06,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:38:06,253 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] === [2022-11-23 14:38:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:06,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1558417855, now seen corresponding path program 1 times [2022-11-23 14:38:06,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:06,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634061646] [2022-11-23 14:38:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 48889 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48887 trivial. 0 not checked. [2022-11-23 14:38:08,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:08,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634061646] [2022-11-23 14:38:08,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634061646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:08,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:08,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:38:08,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924160660] [2022-11-23 14:38:08,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:08,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:38:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:08,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:38:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:38:08,938 INFO L87 Difference]: Start difference. First operand 5253 states and 7636 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) [2022-11-23 14:38:12,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:13,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:23,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:26,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:28,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:30,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:31,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:32,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:34,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:36,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:38,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:40,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:43,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:47,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:48,579 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 [] [2022-11-23 14:38:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:54,278 INFO L93 Difference]: Finished difference Result 10257 states and 15035 transitions. [2022-11-23 14:38:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:38:54,280 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 1187 [2022-11-23 14:38:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:54,360 INFO L225 Difference]: With dead ends: 10257 [2022-11-23 14:38:54,360 INFO L226 Difference]: Without dead ends: 10253 [2022-11-23 14:38:54,369 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 [2022-11-23 14:38:54,370 INFO L413 NwaCegarLoop]: 4332 mSDtfsCounter, 3807 mSDsluCounter, 11841 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 16173 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:54,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 16173 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2205 Invalid, 1 Unknown, 0 Unchecked, 44.7s Time] [2022-11-23 14:38:54,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10253 states. [2022-11-23 14:38:55,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10253 to 10242. [2022-11-23 14:38:55,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10242 states, 6514 states have (on average 1.3470985569542524) internal successors, (8775), 6601 states have internal predecessors, (8775), 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) [2022-11-23 14:38:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10242 states to 10242 states and 15019 transitions. [2022-11-23 14:38:55,185 INFO L78 Accepts]: Start accepts. Automaton has 10242 states and 15019 transitions. Word has length 1187 [2022-11-23 14:38:55,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:55,186 INFO L495 AbstractCegarLoop]: Abstraction has 10242 states and 15019 transitions. [2022-11-23 14:38:55,187 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) [2022-11-23 14:38:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 10242 states and 15019 transitions. [2022-11-23 14:38:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2022-11-23 14:38:55,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:55,228 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:38:55,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:38:55,228 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] === [2022-11-23 14:38:55,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1864086109, now seen corresponding path program 1 times [2022-11-23 14:38:55,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:55,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133168145] [2022-11-23 14:38:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 48894 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48890 trivial. 0 not checked. [2022-11-23 14:38:57,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:57,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133168145] [2022-11-23 14:38:57,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133168145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:57,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:57,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:38:57,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258894352] [2022-11-23 14:38:57,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:57,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:38:57,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:38:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:38:57,787 INFO L87 Difference]: Start difference. First operand 10242 states and 15019 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) [2022-11-23 14:39:01,950 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 [] [2022-11-23 14:39:10,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:20,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:23,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:29,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:30,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:32,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:37,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:37,374 INFO L93 Difference]: Finished difference Result 20177 states and 29773 transitions. [2022-11-23 14:39:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:39:37,375 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 1191 [2022-11-23 14:39:37,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:37,508 INFO L225 Difference]: With dead ends: 20177 [2022-11-23 14:39:37,508 INFO L226 Difference]: Without dead ends: 20143 [2022-11-23 14:39:37,520 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 [2022-11-23 14:39:37,521 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 3774 mSDsluCounter, 11683 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3777 SdHoareTripleChecker+Valid, 15932 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:39:37,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3777 Valid, 15932 Invalid, 2202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2197 Invalid, 2 Unknown, 0 Unchecked, 38.6s Time] [2022-11-23 14:39:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20143 states. [2022-11-23 14:39:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20143 to 20136. [2022-11-23 14:39:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20136 states, 12845 states have (on average 1.350175165434021) internal successors, (17343), 13019 states have internal predecessors, (17343), 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) [2022-11-23 14:39:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20136 states to 20136 states and 29725 transitions. [2022-11-23 14:39:38,717 INFO L78 Accepts]: Start accepts. Automaton has 20136 states and 29725 transitions. Word has length 1191 [2022-11-23 14:39:38,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:38,719 INFO L495 AbstractCegarLoop]: Abstraction has 20136 states and 29725 transitions. [2022-11-23 14:39:38,719 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) [2022-11-23 14:39:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 20136 states and 29725 transitions. [2022-11-23 14:39:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2022-11-23 14:39:38,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:39:38,809 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] [2022-11-23 14:39:38,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:39:38,810 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] === [2022-11-23 14:39:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:39:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1751424337, now seen corresponding path program 1 times [2022-11-23 14:39:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:39:38,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701287873] [2022-11-23 14:39:38,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:39:38,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:39:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:39:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49345 trivial. 0 not checked. [2022-11-23 14:39:40,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:39:40,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701287873] [2022-11-23 14:39:40,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701287873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:39:40,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:39:40,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:39:40,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363287486] [2022-11-23 14:39:40,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:39:40,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:39:40,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:39:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:39:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:39:40,071 INFO L87 Difference]: Start difference. First operand 20136 states and 29725 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) [2022-11-23 14:39:42,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:47,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:49,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:52,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:39:59,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:01,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:02,197 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 [] [2022-11-23 14:40:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:40:04,809 INFO L93 Difference]: Finished difference Result 49752 states and 73338 transitions. [2022-11-23 14:40:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:40:04,810 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 [2022-11-23 14:40:04,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:40:04,994 INFO L225 Difference]: With dead ends: 49752 [2022-11-23 14:40:04,994 INFO L226 Difference]: Without dead ends: 29837 [2022-11-23 14:40:05,385 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 [2022-11-23 14:40:05,386 INFO L413 NwaCegarLoop]: 4232 mSDtfsCounter, 3560 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:40:05,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 7702 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1132 Invalid, 1 Unknown, 0 Unchecked, 23.6s Time] [2022-11-23 14:40:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29837 states. [2022-11-23 14:40:07,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29837 to 29787. [2022-11-23 14:40:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29787 states, 19000 states have (on average 1.3477368421052631) internal successors, (25607), 19274 states have internal predecessors, (25607), 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) [2022-11-23 14:40:07,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29787 states to 29787 states and 43814 transitions. [2022-11-23 14:40:07,317 INFO L78 Accepts]: Start accepts. Automaton has 29787 states and 43814 transitions. Word has length 1243 [2022-11-23 14:40:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:40:07,319 INFO L495 AbstractCegarLoop]: Abstraction has 29787 states and 43814 transitions. [2022-11-23 14:40:07,319 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) [2022-11-23 14:40:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29787 states and 43814 transitions. [2022-11-23 14:40:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1234 [2022-11-23 14:40:07,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:07,426 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] [2022-11-23 14:40:07,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:40:07,427 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] === [2022-11-23 14:40:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:07,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1441080827, now seen corresponding path program 1 times [2022-11-23 14:40:07,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:40:07,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92288951] [2022-11-23 14:40:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:40:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:40:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 49354 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 49346 trivial. 0 not checked. [2022-11-23 14:40:09,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:40:09,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92288951] [2022-11-23 14:40:09,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92288951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:40:09,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:40:09,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:40:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326562957] [2022-11-23 14:40:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:40:09,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:40:09,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:40:09,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:40:09,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:40:09,051 INFO L87 Difference]: Start difference. First operand 29787 states and 43814 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2022-11-23 14:40:17,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:20,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:25,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:27,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:29,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:31,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:32,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:40:37,859 INFO L93 Difference]: Finished difference Result 86995 states and 127426 transitions. [2022-11-23 14:40:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:40:37,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 1233 [2022-11-23 14:40:37,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:40:38,168 INFO L225 Difference]: With dead ends: 86995 [2022-11-23 14:40:38,169 INFO L226 Difference]: Without dead ends: 57429 [2022-11-23 14:40:38,314 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 [2022-11-23 14:40:38,315 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 3508 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 8188 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:40:38,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 8188 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1244 Invalid, 1 Unknown, 0 Unchecked, 26.7s Time] [2022-11-23 14:40:38,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57429 states. [2022-11-23 14:40:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57429 to 57363. [2022-11-23 14:40:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57363 states, 36569 states have (on average 1.3414093904673356) internal successors, (49054), 37096 states have internal predecessors, (49054), 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) [2022-11-23 14:40:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57363 states to 57363 states and 83541 transitions. [2022-11-23 14:40:42,459 INFO L78 Accepts]: Start accepts. Automaton has 57363 states and 83541 transitions. Word has length 1233 [2022-11-23 14:40:42,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:40:42,461 INFO L495 AbstractCegarLoop]: Abstraction has 57363 states and 83541 transitions. [2022-11-23 14:40:42,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2022-11-23 14:40:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 57363 states and 83541 transitions. [2022-11-23 14:40:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2022-11-23 14:40:42,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:40:42,582 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, 1, 1, 1, 1, 1, 1] [2022-11-23 14:40:42,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:40:42,583 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] === [2022-11-23 14:40:42,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:40:42,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1442826238, now seen corresponding path program 1 times [2022-11-23 14:40:42,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:40:42,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123325173] [2022-11-23 14:40:42,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:40:42,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:40:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:40:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 49613 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 49599 trivial. 0 not checked. [2022-11-23 14:40:44,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:40:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123325173] [2022-11-23 14:40:44,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123325173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:40:44,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:40:44,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:40:44,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753159840] [2022-11-23 14:40:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:40:44,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:40:44,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:40:44,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:40:44,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:40:44,142 INFO L87 Difference]: Start difference. First operand 57363 states and 83541 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-23 14:40:49,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:50,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:52,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:54,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:55,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:40:58,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:00,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:03,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:06,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:08,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:15,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:41:15,151 INFO L93 Difference]: Finished difference Result 139296 states and 202828 transitions. [2022-11-23 14:41:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:41:15,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 1258 [2022-11-23 14:41:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:41:15,755 INFO L225 Difference]: With dead ends: 139296 [2022-11-23 14:41:15,755 INFO L226 Difference]: Without dead ends: 82154 [2022-11-23 14:41:16,056 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 [2022-11-23 14:41:16,057 INFO L413 NwaCegarLoop]: 4933 mSDtfsCounter, 3631 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 8403 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:41:16,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 8403 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 27.2s Time] [2022-11-23 14:41:16,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82154 states. [2022-11-23 14:41:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82154 to 82090. [2022-11-23 14:41:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82090 states, 52427 states have (on average 1.3419039807732658) internal successors, (70352), 53216 states have internal predecessors, (70352), 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) [2022-11-23 14:41:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82090 states to 82090 states and 119334 transitions. [2022-11-23 14:41:21,828 INFO L78 Accepts]: Start accepts. Automaton has 82090 states and 119334 transitions. Word has length 1258 [2022-11-23 14:41:21,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:41:21,830 INFO L495 AbstractCegarLoop]: Abstraction has 82090 states and 119334 transitions. [2022-11-23 14:41:21,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-11-23 14:41:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 82090 states and 119334 transitions. [2022-11-23 14:41:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1259 [2022-11-23 14:41:22,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:41:22,432 INFO L195 NwaCegarLoop]: trace histogram [117, 110, 110, 110, 110, 110, 110, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:41:22,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:41:22,433 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] === [2022-11-23 14:41:22,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:41:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash 452652630, now seen corresponding path program 1 times [2022-11-23 14:41:22,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:41:22,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772484783] [2022-11-23 14:41:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:41:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:41:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:41:24,499 INFO L134 CoverageAnalysis]: Checked inductivity of 49632 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 49610 trivial. 0 not checked. [2022-11-23 14:41:24,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:41:24,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772484783] [2022-11-23 14:41:24,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772484783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:41:24,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:41:24,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:41:24,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001686295] [2022-11-23 14:41:24,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:41:24,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:41:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:41:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:41:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:41:24,503 INFO L87 Difference]: Start difference. First operand 82090 states and 119334 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2022-11-23 14:41:27,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:28,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:33,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:36,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:38,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:40,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:43,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:45,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:41:47,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:42:02,299 INFO L93 Difference]: Finished difference Result 193395 states and 281627 transitions. [2022-11-23 14:42:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:42:02,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 1258 [2022-11-23 14:42:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:42:03,141 INFO L225 Difference]: With dead ends: 193395 [2022-11-23 14:42:03,141 INFO L226 Difference]: Without dead ends: 118381 [2022-11-23 14:42:03,547 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 [2022-11-23 14:42:03,548 INFO L413 NwaCegarLoop]: 5947 mSDtfsCounter, 3623 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 9418 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:42:03,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 9418 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1546 Invalid, 1 Unknown, 0 Unchecked, 32.5s Time] [2022-11-23 14:42:03,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118381 states. [2022-11-23 14:42:09,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118381 to 118317. [2022-11-23 14:42:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118317 states, 75598 states have (on average 1.3424032381809043) internal successors, (101483), 76752 states have internal predecessors, (101483), 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) [2022-11-23 14:42:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118317 states to 118317 states and 172056 transitions. [2022-11-23 14:42:11,429 INFO L78 Accepts]: Start accepts. Automaton has 118317 states and 172056 transitions. Word has length 1258 [2022-11-23 14:42:11,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:42:11,431 INFO L495 AbstractCegarLoop]: Abstraction has 118317 states and 172056 transitions. [2022-11-23 14:42:11,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2022-11-23 14:42:11,432 INFO L276 IsEmpty]: Start isEmpty. Operand 118317 states and 172056 transitions. [2022-11-23 14:42:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2022-11-23 14:42:11,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:42:11,578 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] [2022-11-23 14:42:11,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:42:11,578 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] === [2022-11-23 14:42:11,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:42:11,579 INFO L85 PathProgramCache]: Analyzing trace with hash 441045789, now seen corresponding path program 1 times [2022-11-23 14:42:11,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:42:11,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755382785] [2022-11-23 14:42:11,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:42:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:42:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:42:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 49631 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 49611 trivial. 0 not checked. [2022-11-23 14:42:13,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:42:13,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755382785] [2022-11-23 14:42:13,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755382785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:42:13,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:42:13,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:42:13,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744696400] [2022-11-23 14:42:13,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:42:13,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:42:13,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:42:13,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:42:13,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:42:13,334 INFO L87 Difference]: Start difference. First operand 118317 states and 172056 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) [2022-11-23 14:42:17,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:23,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:26,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:27,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:28,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:31,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:32,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:35,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:38,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:43,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:45,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:42:46,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []