./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b6c84d4372797c36661d68a6a48eec3acd4768223bc5f3b885ab4bab759aef5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:24:41,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:24:41,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:24:41,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:24:41,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:24:41,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:24:41,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:24:41,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:24:41,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:24:41,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:24:41,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:24:41,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:24:41,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:24:41,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:24:41,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:24:41,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:24:41,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:24:41,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:24:41,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:24:41,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:24:41,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:24:41,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:24:41,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:24:41,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:24:41,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:24:41,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:24:41,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:24:41,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:24:41,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:24:41,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:24:41,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:24:41,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:24:41,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:24:41,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:24:41,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:24:41,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:24:41,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:24:41,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:24:41,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:24:41,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:24:41,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:24:41,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:24:41,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:24:41,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:24:41,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:24:41,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:24:41,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:24:41,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:24:41,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:24:41,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:24:41,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:24:41,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:24:41,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:24:41,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:24:41,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:24:41,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:24:41,121 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_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6c84d4372797c36661d68a6a48eec3acd4768223bc5f3b885ab4bab759aef5 [2021-12-07 01:24:41,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:24:41,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:24:41,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:24:41,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:24:41,339 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:24:41,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-12-07 01:24:41,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/data/db5d962db/c08e3a22873d41c1a2cf8e90dab30036/FLAGa440a5c70 [2021-12-07 01:24:42,171 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:24:42,172 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-12-07 01:24:42,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/data/db5d962db/c08e3a22873d41c1a2cf8e90dab30036/FLAGa440a5c70 [2021-12-07 01:24:42,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/data/db5d962db/c08e3a22873d41c1a2cf8e90dab30036 [2021-12-07 01:24:42,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:24:42,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:24:42,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:24:42,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:24:42,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:24:42,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:42" (1/1) ... [2021-12-07 01:24:42,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706c0118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:42, skipping insertion in model container [2021-12-07 01:24:42,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:42" (1/1) ... [2021-12-07 01:24:42,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:24:42,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:24:42,904 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3970] [2021-12-07 01:24:49,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i[938387,938400] [2021-12-07 01:24:49,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:24:49,975 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:24:50,057 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [3970] [2021-12-07 01:24:50,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i[938387,938400] [2021-12-07 01:24:50,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:24:51,270 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:24:51,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51 WrapperNode [2021-12-07 01:24:51,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:24:51,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:24:51,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:24:51,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:24:51,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:51,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:51,937 INFO L137 Inliner]: procedures = 880, calls = 16204, calls flagged for inlining = 335, calls inlined = 311, statements flattened = 24524 [2021-12-07 01:24:51,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:24:51,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:24:51,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:24:51,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:24:51,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:51,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:24:52,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:24:52,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:24:52,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:24:52,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (1/1) ... [2021-12-07 01:24:52,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:24:52,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:24:52,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:24:52,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ca282d8-9258-4303-8764-5e80931bac8f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2021-12-07 01:24:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure std_log [2021-12-07 01:24:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure std_log [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-07 01:24:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_src_change_event_subscribe [2021-12-07 01:24:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_src_change_event_subscribe [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clk_lock [2021-12-07 01:24:52,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clk_lock [2021-12-07 01:24:52,694 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_parent [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_parent [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_open [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_open [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32 [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32 [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_subscribed [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_subscribed [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure devnode_find [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure devnode_find [2021-12-07 01:24:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_print_format [2021-12-07 01:24:52,695 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_print_format [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querymenu [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querymenu [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_create_bufs [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_create_bufs [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_exit [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_exit [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_ctrl [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ctrl [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_prio_open [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_prio_open [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure of_node_put [2021-12-07 01:24:52,696 INFO L138 BoogieDeclarations]: Found implementation of procedure of_node_put [2021-12-07 01:24:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_src_replace [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_src_replace [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enum_fmt [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enum_fmt [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_src_merge [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_src_merge [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure user_to_new [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure user_to_new [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-07 01:24:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-07 01:24:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_query_ext_ctrl [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_query_ext_ctrl [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ioctl [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ioctl [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure dev_debug_show [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_debug_show [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_fmt [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_fmt [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_del_event [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_del_event [2021-12-07 01:24:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_fh_free [2021-12-07 01:24:52,698 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_fh_free [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_handler [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_handler [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_ctrl_handler [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_notifier_register [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_notifier_register [2021-12-07 01:24:52,699 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_s_ext_ctrls [2021-12-07 01:24:52,699 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_s_ext_ctrls [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_try_fmt [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_try_fmt [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_parm [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_parm [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure trace_event_raw_init [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_event_raw_init [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure class_check [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure class_check [2021-12-07 01:24:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enuminput [2021-12-07 01:24:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enuminput [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_prio_init [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_prio_init [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure check_range [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure check_range [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-07 01:24:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-07 01:24:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_do_ioctl [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_do_ioctl [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure check_ext_ctrls [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ext_ctrls [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-12-07 01:24:52,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-12-07 01:24:52,702 INFO L130 BoogieDeclarations]: Found specification of procedure devnode_bits [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure devnode_bits [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure name_show [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure name_show [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure media_device_unregister_entity [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure media_device_unregister_entity [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2021-12-07 01:24:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2021-12-07 01:24:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure __get_v4l2_format32 [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_v4l2_format32 [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_replace [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_replace [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure check_format [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure check_format [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_compat_ioctl32 [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_compat_ioctl32 [2021-12-07 01:24:52,704 INFO L130 BoogieDeclarations]: Found specification of procedure native_ioctl [2021-12-07 01:24:52,704 INFO L138 BoogieDeclarations]: Found implementation of procedure native_ioctl [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_prepare_buf [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_prepare_buf [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_cropcap [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_cropcap [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure trace_event_reg [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_event_reg [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_modulator [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_modulator [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_parm [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_parm [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure of_prop_next_u32 [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure of_prop_next_u32 [2021-12-07 01:24:52,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-07 01:24:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_ext_ctrls [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_ext_ctrls [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_g_ctrl [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_g_ctrl [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_open [2021-12-07 01:24:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_open [2021-12-07 01:24:52,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_unregister [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_unregister [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_is_pointer [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_is_pointer [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure check_crop [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crop [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_unlock [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_unlock [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure std_validate [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure std_validate [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2021-12-07 01:24:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2021-12-07 01:24:52,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~structbegin~$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$~structend~~TO~int [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~structbegin~$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$~structend~~TO~int [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ptr_to_ptr [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ptr_to_ptr [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_print_dv_timings [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_print_dv_timings [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure update_from_auto_cluster [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure update_from_auto_cluster [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-12-07 01:24:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-12-07 01:24:52,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure match_custom [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure match_custom [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_test_notify [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_test_notify [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_video_std_frame_period [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_video_std_frame_period [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_ext_ctrls [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_ext_ctrls [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure index_show [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure index_show [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_dequeue [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_dequeue [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure devnode_clear [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure devnode_clear [2021-12-07 01:24:52,709 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-07 01:24:52,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_s_register [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_s_register [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~structbegin~$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$~structend~~TO~VOID [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~structbegin~$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$$Pointer$~structend~~TO~VOID [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querystd [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querystd [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_hw_freq_seek [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_hw_freq_seek [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure of_find_property [2021-12-07 01:24:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure of_find_property [2021-12-07 01:24:52,710 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure check_fmt [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fmt [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_query_ext_ctrl [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_query_ext_ctrl [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_videodev_lock [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_videodev_lock [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure handler_new_ref [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_new_ref [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_g_register [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_g_register [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2021-12-07 01:24:52,711 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_release___0 [2021-12-07 01:24:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_release___0 [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_ctrl_handler [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_property [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_property [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_frequency [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_frequency [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_release [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_release [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_crop [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_crop [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate_default [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate_default [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:24:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:24:52,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_list_lock [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_list_lock [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_add_event [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_add_event [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_add [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_add [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_ctrl_lock [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ctrl_lock [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_pending [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_pending [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_video_device [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_video_device [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-07 01:24:52,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-07 01:24:52,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_v4l2_clk [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_v4l2_clk [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_ctrl [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_ctrl [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_unregister_subdev [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_unregister_subdev [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_prio_max [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_prio_max [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure trace_print_symbols_seq [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_print_symbols_seq [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enum_freq_bands [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enum_freq_bands [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_poll [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_poll [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-07 01:24:52,714 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_poll [2021-12-07 01:24:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_poll [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_merge [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_merge [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure find_ref_lock [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure find_ref_lock [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure __v4l2_event_queue_fh [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __v4l2_event_queue_fh [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure cur_to_user [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cur_to_user [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:24:52,715 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_put [2021-12-07 01:24:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_put [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_next_parent [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_next_parent [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querycap [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querycap [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_try_ext_ctrls [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_try_ext_ctrls [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_register_subdev [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_register_subdev [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_ctrl [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ctrl [2021-12-07 01:24:52,716 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_cleanup [2021-12-07 01:24:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_cleanup [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure is_cur_manual [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cur_manual [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure std_equal [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure std_equal [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_belongs [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_belongs [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_init [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_init [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_write [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_write [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-12-07 01:24:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-12-07 01:24:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_lock_driver [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_lock_driver [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_video_std_construct [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_video_std_construct [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_ext_ctrls [2021-12-07 01:24:52,718 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_ext_ctrls [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:24:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure trace_raw_output_prep [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_raw_output_prep [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register_subdev [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register_subdev [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_prio_check [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_prio_check [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2021-12-07 01:24:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure __put_v4l2_format32 [2021-12-07 01:24:52,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_v4l2_format32 [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_querybuf [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_querybuf [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure ptr_to_user [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ptr_to_user [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure trace_define_field [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_define_field [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_sliced_vbi_cap [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_sliced_vbi_cap [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_disable [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_disable [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_of_free_endpoint [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_of_free_endpoint [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure prio_is_valid [2021-12-07 01:24:52,720 INFO L138 BoogieDeclarations]: Found implementation of procedure prio_is_valid [2021-12-07 01:24:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_s_ctrl [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_s_ctrl [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_queryctrl [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_queryctrl [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_enumoutput [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_enumoutput [2021-12-07 01:24:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure sev_pos [2021-12-07 01:24:52,721 INFO L138 BoogieDeclarations]: Found implementation of procedure sev_pos [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure fill_event [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_event [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure node2id [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure node2id [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure __v4l2_ctrl_s_ctrl_string [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __v4l2_ctrl_s_ctrl_string [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_read [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_read [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_g_ext_ctrls [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_g_ext_ctrls [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure new_to_user [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure new_to_user [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_mmap [2021-12-07 01:24:52,722 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_mmap [2021-12-07 01:24:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_unsubscribe_event [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_unsubscribe_event [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_querymenu [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_querymenu [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe_all [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe_all [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure video_usercopy [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure video_usercopy [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_prio_change [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_prio_change [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-07 01:24:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure try_or_set_cluster [2021-12-07 01:24:52,723 INFO L138 BoogieDeclarations]: Found implementation of procedure try_or_set_cluster [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_qbuf [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_qbuf [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_log_status [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_log_status [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_compat_ioctl32 [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_compat_ioctl32 [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_set_rate [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_set_rate [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_lock [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_lock [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure video_put [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure video_put [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_sanitize_format [2021-12-07 01:24:52,724 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_sanitize_format [2021-12-07 01:24:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_get_rate [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_get_rate [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_crop [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_crop [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure trace_print_flags_seq [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_print_flags_seq [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure trace_handle_return [2021-12-07 01:24:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_handle_return [2021-12-07 01:24:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_list_lock [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_list_lock [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_ioctl [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_ioctl [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure validate_new [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_new [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure find_ref [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure find_ref [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_of_parse_endpoint [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_of_parse_endpoint [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate_get_format [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate_get_format [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-07 01:24:52,726 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-07 01:24:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure handler_set_err [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_set_err [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-07 01:24:52,727 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-07 01:24:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dqbuf [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dqbuf [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure do_video_ioctl [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure do_video_ioctl [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_videodev_lock [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_videodev_lock [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_fill [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_fill [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure subdev_close [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure subdev_close [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_queryctrl [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_queryctrl [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_tuner [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_tuner [2021-12-07 01:24:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure check_selection [2021-12-07 01:24:52,728 INFO L138 BoogieDeclarations]: Found implementation of procedure check_selection [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_is_known_ioctl [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_is_known_ioctl [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_frequency [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_frequency [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_tuner [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_tuner [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure cur_to_new [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cur_to_new [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure std_init [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure std_init [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_subscribe_event [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_subscribe_event [2021-12-07 01:24:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_try_ext_ctrls [2021-12-07 01:24:52,729 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_try_ext_ctrls [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_async_notifier_unregister [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_async_notifier_unregister [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_log_status [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_log_status [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_reqbufs [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_reqbufs [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_enable [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_enable [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-07 01:24:52,730 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-07 01:24:52,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clk_lock [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clk_lock [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_v4l2_clk [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_v4l2_clk [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_subscribe [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_subscribe [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure media_device_register_entity [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure media_device_register_entity [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_clk_unlock_driver [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_clk_unlock_driver [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_dbg_g_chip_info [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_dbg_g_chip_info [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_g_ctrl [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_g_ctrl [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure send_event [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure send_event [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-07 01:24:52,731 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_release [2021-12-07 01:24:52,731 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_release [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure try_set_ext_ctrls [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure try_set_ext_ctrls [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure check_edid [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure check_edid [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure __v4l2_event_dequeue [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __v4l2_event_dequeue [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_s_fmt [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_s_fmt [2021-12-07 01:24:52,732 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_del [2021-12-07 01:24:52,732 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_del [2021-12-07 01:24:53,964 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:24:53,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:24:54,837 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:26:27,333 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:26:27,366 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:26:27,366 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 01:26:27,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:27 BoogieIcfgContainer [2021-12-07 01:26:27,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:26:27,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:26:27,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:26:27,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:26:27,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:24:42" (1/3) ... [2021-12-07 01:26:27,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162b5e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:27, skipping insertion in model container [2021-12-07 01:26:27,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:51" (2/3) ... [2021-12-07 01:26:27,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162b5e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:26:27, skipping insertion in model container [2021-12-07 01:26:27,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:26:27" (3/3) ... [2021-12-07 01:26:27,379 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--v4l2-core--videodev.ko-entry_point.cil.out.i [2021-12-07 01:26:27,383 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:26:27,383 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:26:27,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:26:27,444 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:26:27,445 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:26:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 8508 states, 6477 states have (on average 1.4900416859657248) internal successors, (9651), 6685 states have internal predecessors, (9651), 1702 states have call successors, (1702), 328 states have call predecessors, (1702), 327 states have return successors, (1687), 1658 states have call predecessors, (1687), 1687 states have call successors, (1687) [2021-12-07 01:26:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-07 01:26:27,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:26:27,578 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:26:27,578 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:26:27,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:26:27,582 INFO L85 PathProgramCache]: Analyzing trace with hash 553564623, now seen corresponding path program 1 times [2021-12-07 01:26:27,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:26:27,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580489590] [2021-12-07 01:26:27,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:26:27,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:26:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:26:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:26:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:26:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:26:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:26:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:26:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:26:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:26:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:26:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:26:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:26:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:26:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:26:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:26:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:26:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:26:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:26:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:26:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:26:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-07 01:26:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:26:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-07 01:26:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:26:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:26:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-07 01:26:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:26:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:26:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2021-12-07 01:26:30,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:26:30,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580489590] [2021-12-07 01:26:30,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580489590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:26:30,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:26:30,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:26:30,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146129775] [2021-12-07 01:26:30,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:26:30,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:26:30,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:26:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:26:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:26:30,387 INFO L87 Difference]: Start difference. First operand has 8508 states, 6477 states have (on average 1.4900416859657248) internal successors, (9651), 6685 states have internal predecessors, (9651), 1702 states have call successors, (1702), 328 states have call predecessors, (1702), 327 states have return successors, (1687), 1658 states have call predecessors, (1687), 1687 states have call successors, (1687) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:26:34,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:26:38,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:26:54,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:26:57,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:26:58,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:02,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:05,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:08,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:10,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:17,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:19,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:22,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:24,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:26,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:29,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:27:29,348 INFO L93 Difference]: Finished difference Result 19941 states and 31781 transitions. [2021-12-07 01:27:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 01:27:29,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 358 [2021-12-07 01:27:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:27:29,430 INFO L225 Difference]: With dead ends: 19941 [2021-12-07 01:27:29,430 INFO L226 Difference]: Without dead ends: 11413 [2021-12-07 01:27:29,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:27:29,494 INFO L933 BasicCegarLoop]: 11801 mSDtfsCounter, 17828 mSDsluCounter, 7506 mSDsCounter, 0 mSdLazyCounter, 5031 mSolverCounterSat, 8899 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18080 SdHoareTripleChecker+Valid, 19307 SdHoareTripleChecker+Invalid, 13943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8899 IncrementalHoareTripleChecker+Valid, 5031 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:27:29,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18080 Valid, 19307 Invalid, 13943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8899 Valid, 5031 Invalid, 13 Unknown, 0 Unchecked, 58.0s Time] [2021-12-07 01:27:29,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11413 states. [2021-12-07 01:27:29,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11413 to 8483. [2021-12-07 01:27:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8483 states, 6469 states have (on average 1.4874014530839388) internal successors, (9622), 6660 states have internal predecessors, (9622), 1687 states have call successors, (1687), 327 states have call predecessors, (1687), 326 states have return successors, (1662), 1633 states have call predecessors, (1662), 1662 states have call successors, (1662) [2021-12-07 01:27:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8483 states to 8483 states and 12971 transitions. [2021-12-07 01:27:29,966 INFO L78 Accepts]: Start accepts. Automaton has 8483 states and 12971 transitions. Word has length 358 [2021-12-07 01:27:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:27:29,966 INFO L470 AbstractCegarLoop]: Abstraction has 8483 states and 12971 transitions. [2021-12-07 01:27:29,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:27:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8483 states and 12971 transitions. [2021-12-07 01:27:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-07 01:27:29,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:27:29,972 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:27:29,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:27:29,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:27:29,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:27:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash -2143331605, now seen corresponding path program 1 times [2021-12-07 01:27:29,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:27:29,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2290300] [2021-12-07 01:27:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:27:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:27:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:27:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:27:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:27:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:27:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:27:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:27:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:27:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:27:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:27:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:27:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:27:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:27:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:27:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:27:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:27:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:27:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:27:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:27:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:27:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-07 01:27:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:27:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-07 01:27:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:27:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:27:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-07 01:27:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:27:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:27:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2021-12-07 01:27:31,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:27:31,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2290300] [2021-12-07 01:27:31,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2290300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:27:31,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:27:31,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:27:31,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702165440] [2021-12-07 01:27:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:27:31,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:27:31,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:27:31,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:27:31,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:27:31,880 INFO L87 Difference]: Start difference. First operand 8483 states and 12971 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:27:36,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:40,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:44,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:46,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:27:59,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:04,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:05,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:10,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:14,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:17,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:19,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:27,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:29,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:35,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:38,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:40,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:28:42,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:02,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:14,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:16,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:18,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:20,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:23,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:25,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:29:26,511 INFO L93 Difference]: Finished difference Result 31126 states and 48658 transitions. [2021-12-07 01:29:26,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:29:26,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 358 [2021-12-07 01:29:26,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:29:26,633 INFO L225 Difference]: With dead ends: 31126 [2021-12-07 01:29:26,633 INFO L226 Difference]: Without dead ends: 22692 [2021-12-07 01:29:26,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:29:26,660 INFO L933 BasicCegarLoop]: 12808 mSDtfsCounter, 48925 mSDsluCounter, 17725 mSDsCounter, 0 mSdLazyCounter, 11712 mSolverCounterSat, 19913 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50046 SdHoareTripleChecker+Valid, 30533 SdHoareTripleChecker+Invalid, 31644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 19913 IncrementalHoareTripleChecker+Valid, 11712 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:29:26,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50046 Valid, 30533 Invalid, 31644 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [19913 Valid, 11712 Invalid, 19 Unknown, 0 Unchecked, 113.1s Time] [2021-12-07 01:29:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22692 states. [2021-12-07 01:29:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22692 to 16970. [2021-12-07 01:29:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16970 states, 12955 states have (on average 1.486221536086453) internal successors, (19254), 13329 states have internal predecessors, (19254), 3333 states have call successors, (3333), 652 states have call predecessors, (3333), 681 states have return successors, (3529), 3264 states have call predecessors, (3529), 3308 states have call successors, (3529) [2021-12-07 01:29:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16970 states to 16970 states and 26116 transitions. [2021-12-07 01:29:27,362 INFO L78 Accepts]: Start accepts. Automaton has 16970 states and 26116 transitions. Word has length 358 [2021-12-07 01:29:27,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:29:27,363 INFO L470 AbstractCegarLoop]: Abstraction has 16970 states and 26116 transitions. [2021-12-07 01:29:27,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:29:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 16970 states and 26116 transitions. [2021-12-07 01:29:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-07 01:29:27,368 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:29:27,368 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:29:27,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:29:27,369 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:29:27,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:29:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash 937508322, now seen corresponding path program 1 times [2021-12-07 01:29:27,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:29:27,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318674450] [2021-12-07 01:29:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:29:27,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:29:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:29:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:29:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:29:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:29:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:29:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:29:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:29:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:29:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:29:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:29:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:29:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:29:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:29:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:29:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:29:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:29:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:29:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:29:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:29:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-07 01:29:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:29:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-07 01:29:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:29:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:29:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:29:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-07 01:29:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:29:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2021-12-07 01:29:28,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:29:28,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318674450] [2021-12-07 01:29:28,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318674450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:29:28,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:29:28,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:29:28,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232312510] [2021-12-07 01:29:28,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:29:28,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:29:28,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:29:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:29:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:29:28,972 INFO L87 Difference]: Start difference. First operand 16970 states and 26116 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:29:35,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:37,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:39,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:42,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:44,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:46,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:48,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:51,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:29:56,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:02,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:10,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:24,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:25,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:33,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:37,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:41,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:42,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:44,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:45,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:47,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:48,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:54,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:30:59,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:01,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:03,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:05,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:07,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:09,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:11,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:23,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:25,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:27,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:29,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:31,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:33,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:42,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:44,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:46,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:48,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:50,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:52,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:31:59,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:01,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:03,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:36,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:38,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:40,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:56,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:32:58,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:00,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:02,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:04,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:06,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:09,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:11,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:13,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:15,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:17,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:19,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:22,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:24,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:26,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:28,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:30,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:32,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:35,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:33:35,129 INFO L93 Difference]: Finished difference Result 62021 states and 97158 transitions. [2021-12-07 01:33:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:33:35,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 351 [2021-12-07 01:33:35,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:33:35,290 INFO L225 Difference]: With dead ends: 62021 [2021-12-07 01:33:35,290 INFO L226 Difference]: Without dead ends: 45100 [2021-12-07 01:33:35,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:33:35,355 INFO L933 BasicCegarLoop]: 12816 mSDtfsCounter, 35376 mSDsluCounter, 26729 mSDsCounter, 0 mSdLazyCounter, 19407 mSolverCounterSat, 13516 mSolverCounterUnsat, 56 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 228.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36495 SdHoareTripleChecker+Valid, 39545 SdHoareTripleChecker+Invalid, 32979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13516 IncrementalHoareTripleChecker+Valid, 19407 IncrementalHoareTripleChecker+Invalid, 56 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 243.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:33:35,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36495 Valid, 39545 Invalid, 32979 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13516 Valid, 19407 Invalid, 56 Unknown, 0 Unchecked, 243.9s Time] [2021-12-07 01:33:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45100 states. [2021-12-07 01:33:36,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45100 to 33539. [2021-12-07 01:33:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33539 states, 25654 states have (on average 1.4884618383098152) internal successors, (38185), 26363 states have internal predecessors, (38185), 6554 states have call successors, (6554), 1301 states have call predecessors, (6554), 1330 states have return successors, (6756), 6426 states have call predecessors, (6756), 6529 states have call successors, (6756) [2021-12-07 01:33:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33539 states to 33539 states and 51495 transitions. [2021-12-07 01:33:36,615 INFO L78 Accepts]: Start accepts. Automaton has 33539 states and 51495 transitions. Word has length 351 [2021-12-07 01:33:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:33:36,616 INFO L470 AbstractCegarLoop]: Abstraction has 33539 states and 51495 transitions. [2021-12-07 01:33:36,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-07 01:33:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 33539 states and 51495 transitions. [2021-12-07 01:33:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-07 01:33:36,620 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:33:36,621 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:33:36,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:33:36,621 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:33:36,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:33:36,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1749699058, now seen corresponding path program 1 times [2021-12-07 01:33:36,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:33:36,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933968783] [2021-12-07 01:33:36,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:33:36,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:33:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:33:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:33:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:33:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:33:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:33:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:33:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:33:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:33:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:33:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:33:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:33:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:33:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:33:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:33:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:37,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:33:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:33:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:33:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:33:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:33:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-07 01:33:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:33:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-07 01:33:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:33:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:33:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:33:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:33:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2021-12-07 01:33:38,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:33:38,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933968783] [2021-12-07 01:33:38,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933968783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:33:38,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:33:38,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:33:38,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166660723] [2021-12-07 01:33:38,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:33:38,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:33:38,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:33:38,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:33:38,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:33:38,310 INFO L87 Difference]: Start difference. First operand 33539 states and 51495 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:33:43,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:46,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:48,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:50,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:52,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:55,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:57,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:33:59,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:04,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:11,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:12,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:18,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:30,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:31,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:37,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:44,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:46,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:48,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:53,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:34:59,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:02,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:04,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:06,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:08,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:16,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:24,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:26,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:28,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:30,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:45,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:47,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:49,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:51,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:35:58,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:00,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:03,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:05,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:35,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:44,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:36:44,139 INFO L93 Difference]: Finished difference Result 89614 states and 145556 transitions. [2021-12-07 01:36:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:36:44,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 351 [2021-12-07 01:36:44,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:36:44,433 INFO L225 Difference]: With dead ends: 89614 [2021-12-07 01:36:44,433 INFO L226 Difference]: Without dead ends: 89610 [2021-12-07 01:36:44,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:36:44,468 INFO L933 BasicCegarLoop]: 13377 mSDtfsCounter, 40597 mSDsluCounter, 23024 mSDsCounter, 0 mSdLazyCounter, 16578 mSolverCounterSat, 14512 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41586 SdHoareTripleChecker+Valid, 36401 SdHoareTripleChecker+Invalid, 31121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 14512 IncrementalHoareTripleChecker+Valid, 16578 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 183.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:36:44,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41586 Valid, 36401 Invalid, 31121 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [14512 Valid, 16578 Invalid, 31 Unknown, 0 Unchecked, 183.0s Time] [2021-12-07 01:36:44,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89610 states. [2021-12-07 01:36:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89610 to 78900. [2021-12-07 01:36:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78900 states, 60879 states have (on average 1.4919266085185368) internal successors, (90827), 62009 states have internal predecessors, (90827), 14706 states have call successors, (14706), 2596 states have call predecessors, (14706), 3314 states have return successors, (20922), 15387 states have call predecessors, (20922), 14681 states have call successors, (20922) [2021-12-07 01:36:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78900 states to 78900 states and 126455 transitions. [2021-12-07 01:36:47,308 INFO L78 Accepts]: Start accepts. Automaton has 78900 states and 126455 transitions. Word has length 351 [2021-12-07 01:36:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:36:47,309 INFO L470 AbstractCegarLoop]: Abstraction has 78900 states and 126455 transitions. [2021-12-07 01:36:47,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:36:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78900 states and 126455 transitions. [2021-12-07 01:36:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-12-07 01:36:47,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:36:47,314 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:36:47,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:36:47,314 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:36:47,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:36:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1596736780, now seen corresponding path program 1 times [2021-12-07 01:36:47,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:36:47,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167077538] [2021-12-07 01:36:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:36:47,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:36:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:36:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 01:36:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-07 01:36:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:36:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:36:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:36:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:36:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:36:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:36:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:36:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:36:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:36:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:36:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-07 01:36:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:36:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:36:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-07 01:36:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:36:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:36:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-07 01:36:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-07 01:36:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-07 01:36:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-07 01:36:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-07 01:36:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:36:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:36:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2021-12-07 01:36:49,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:36:49,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167077538] [2021-12-07 01:36:49,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167077538] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:36:49,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:36:49,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:36:49,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321702183] [2021-12-07 01:36:49,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:36:49,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:36:49,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:36:49,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:36:49,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:36:49,113 INFO L87 Difference]: Start difference. First operand 78900 states and 126455 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:36:54,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:36:58,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:04,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:05,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:09,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:19,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:24,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:29,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:30,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:34,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:39,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:41,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:43,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:52,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:37:54,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:02,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:04,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:06,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:38:10,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []