./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--video--fbdev--via--viafb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro --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 159d68084b5403f80e4b7540fecb70dab3afa3eb4f2cbbe3cc657fb12a0df7e0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:33:47,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:33:47,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:33:47,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:33:47,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:33:47,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:33:47,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:33:47,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:33:47,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:33:47,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:33:47,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:33:47,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:33:47,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:33:47,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:33:47,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:33:47,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:33:47,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:33:47,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:33:47,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:33:47,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:33:47,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:33:47,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:33:47,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:33:47,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:33:47,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:33:47,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:33:47,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:33:47,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:33:47,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:33:47,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:33:47,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:33:47,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:33:47,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:33:47,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:33:47,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:33:47,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:33:47,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:33:47,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:33:47,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:33:47,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:33:47,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:33:47,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:33:47,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:33:47,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:33:47,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:33:47,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:33:47,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:33:47,651 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:33:47,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:33:47,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:33:47,653 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:33:47,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:33:47,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:33:47,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:33:47,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:33:47,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:33:47,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:33:47,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:33:47,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:33:47,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:33:47,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:33:47,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:33:47,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:33:47,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:33:47,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:33:47,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:33:47,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:33:47,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:33:47,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:33:47,660 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:33:47,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:33:47,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:33:47,661 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_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 159d68084b5403f80e4b7540fecb70dab3afa3eb4f2cbbe3cc657fb12a0df7e0 [2022-11-18 18:33:48,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:33:48,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:33:48,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:33:48,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:33:48,162 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:33:48,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-18 18:33:48,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/data/0cc638b77/6b65e479d86043959b53b18179626cfc/FLAG4ea56f74d [2022-11-18 18:33:49,757 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:33:49,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-18 18:33:49,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/data/0cc638b77/6b65e479d86043959b53b18179626cfc/FLAG4ea56f74d [2022-11-18 18:33:50,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/data/0cc638b77/6b65e479d86043959b53b18179626cfc [2022-11-18 18:33:50,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:33:50,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:33:50,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:33:50,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:33:50,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:33:50,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:33:50" (1/1) ... [2022-11-18 18:33:50,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b996375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:33:50, skipping insertion in model container [2022-11-18 18:33:50,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:33:50" (1/1) ... [2022-11-18 18:33:50,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:33:50,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:33:59,157 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[548244,548257] [2022-11-18 18:33:59,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:33:59,824 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:34:00,718 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[548244,548257] [2022-11-18 18:34:00,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:34:01,453 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:34:01,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01 WrapperNode [2022-11-18 18:34:01,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:34:01,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:34:01,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:34:01,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:34:01,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:01,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:02,823 INFO L138 Inliner]: procedures = 861, calls = 10423, calls flagged for inlining = 291, calls inlined = 261, statements flattened = 17097 [2022-11-18 18:34:02,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:34:02,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:34:02,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:34:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:34:02,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:02,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:03,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:03,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,400 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:34:04,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:34:04,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:34:04,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:34:04,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (1/1) ... [2022-11-18 18:34:04,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:34:04,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:34:04,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:34:04,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c604123-a376-4c62-a434-2271c19df6f2/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:34:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 18:34:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_5 [2022-11-18 18:34:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_5 [2022-11-18 18:34:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_disable [2022-11-18 18:34:04,744 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_disable [2022-11-18 18:34:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lvds_identify_vt1636 [2022-11-18 18:34:04,745 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lvds_identify_vt1636 [2022-11-18 18:34:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_remove [2022-11-18 18:34:04,866 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_remove [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-18 18:34:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure via_read_reg [2022-11-18 18:34:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure via_read_reg [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure write_dac_reg [2022-11-18 18:34:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dac_reg [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure vx855_encode_pll [2022-11-18 18:34:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure vx855_encode_pll [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_resume [2022-11-18 18:34:04,867 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_resume [2022-11-18 18:34:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_teardown_mmio [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_teardown_mmio [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_misc_reg_mask [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_misc_reg_mask [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_check_var [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_check_var [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp1_proc_write [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp1_proc_write [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:34:04,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:34:04,868 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_readbyte [2022-11-18 18:34:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_readbyte [2022-11-18 18:34:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_timing [2022-11-18 18:34:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_timing [2022-11-18 18:34:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 18:34:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 18:34:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure set_dpa_vt1636 [2022-11-18 18:34:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dpa_vt1636 [2022-11-18 18:34:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_FIFO_reg [2022-11-18 18:34:04,869 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_FIFO_reg [2022-11-18 18:34:04,869 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2022-11-18 18:34:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2022-11-18 18:34:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:34:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:34:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-18 18:34:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-18 18:34:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_disable_lvds_vt1636 [2022-11-18 18:34:04,870 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_disable_lvds_vt1636 [2022-11-18 18:34:04,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:34:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure get_clk_range_index [2022-11-18 18:34:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure get_clk_range_index [2022-11-18 18:34:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_enable [2022-11-18 18:34:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_enable [2022-11-18 18:34:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2022-11-18 18:34:04,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_copyarea [2022-11-18 18:34:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 18:34:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 18:34:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 18:34:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 18:34:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_var_refresh [2022-11-18 18:34:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_var_refresh [2022-11-18 18:34:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_unlock_crt [2022-11-18 18:34:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_unlock_crt [2022-11-18 18:34:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_fetch_count_reg [2022-11-18 18:34:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_fetch_count_reg [2022-11-18 18:34:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8_from_user [2022-11-18 18:34:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8_from_user [2022-11-18 18:34:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 18:34:04,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 18:34:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:34:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_reset_engine [2022-11-18 18:34:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_reset_engine [2022-11-18 18:34:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:34:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 18:34:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 18:34:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:34:04,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvi_devices [2022-11-18 18:34:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvi_devices [2022-11-18 18:34:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_timing [2022-11-18 18:34:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_timing [2022-11-18 18:34:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_viafb_pm_hooks_lock [2022-11-18 18:34:04,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_viafb_pm_hooks_lock [2022-11-18 18:34:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_reg [2022-11-18 18:34:04,877 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_reg [2022-11-18 18:34:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2022-11-18 18:34:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2022-11-18 18:34:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_engine_pll_encoded [2022-11-18 18:34:04,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_engine_pll_encoded [2022-11-18 18:34:04,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:34:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:34:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_sync_polarity [2022-11-18 18:34:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_sync_polarity [2022-11-18 18:34:04,879 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 18:34:04,879 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 18:34:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_suspend [2022-11-18 18:34:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_suspend [2022-11-18 18:34:04,880 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-18 18:34:04,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-18 18:34:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:34:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-18 18:34:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-18 18:34:04,881 INFO L130 BoogieDeclarations]: Found specification of procedure parse_mode [2022-11-18 18:34:04,881 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_mode [2022-11-18 18:34:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_state [2022-11-18 18:34:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_state [2022-11-18 18:34:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcd_devices [2022-11-18 18:34:04,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcd_devices [2022-11-18 18:34:04,882 INFO L130 BoogieDeclarations]: Found specification of procedure probe___0 [2022-11-18 18:34:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___0 [2022-11-18 18:34:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure probe___1 [2022-11-18 18:34:04,883 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___1 [2022-11-18 18:34:04,883 INFO L130 BoogieDeclarations]: Found specification of procedure probe___3 [2022-11-18 18:34:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___3 [2022-11-18 18:34:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_source [2022-11-18 18:34:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_source [2022-11-18 18:34:04,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 18:34:04,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 18:34:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2022-11-18 18:34:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2022-11-18 18:34:04,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:34:04,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:34:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-11-18 18:34:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-11-18 18:34:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg_mask [2022-11-18 18:34:04,886 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg_mask [2022-11-18 18:34:04,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-18 18:34:04,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-18 18:34:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:34:04,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:34:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-18 18:34:04,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-18 18:34:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_resume [2022-11-18 18:34:04,888 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_resume [2022-11-18 18:34:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:34:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 18:34:04,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 18:34:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure cle266_encode_pll [2022-11-18 18:34:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cle266_encode_pll [2022-11-18 18:34:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:34:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~int [2022-11-18 18:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~int [2022-11-18 18:34:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:34:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 18:34:04,890 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 18:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure get_best_mode [2022-11-18 18:34:04,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_best_mode [2022-11-18 18:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_probe [2022-11-18 18:34:04,891 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_probe [2022-11-18 18:34:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_config [2022-11-18 18:34:04,891 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_config [2022-11-18 18:34:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure parse_port [2022-11-18 18:34:04,892 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_port [2022-11-18 18:34:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_fix [2022-11-18 18:34:04,892 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_fix [2022-11-18 18:34:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2022-11-18 18:34:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2022-11-18 18:34:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_setup_fixinfo [2022-11-18 18:34:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_setup_fixinfo [2022-11-18 18:34:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_sense [2022-11-18 18:34:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_sense [2022-11-18 18:34:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_iga_path [2022-11-18 18:34:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_iga_path [2022-11-18 18:34:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure check_tmds_chip [2022-11-18 18:34:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tmds_chip [2022-11-18 18:34:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_unregister [2022-11-18 18:34:04,895 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_unregister [2022-11-18 18:34:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:34:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-18 18:34:04,895 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-18 18:34:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:34:04,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:34:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfph_proc_write [2022-11-18 18:34:04,896 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfph_proc_write [2022-11-18 18:34:04,896 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_disable [2022-11-18 18:34:04,896 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_disable [2022-11-18 18:34:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure k800_encode_pll [2022-11-18 18:34:04,897 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_encode_pll [2022-11-18 18:34:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 18:34:04,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 18:34:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_enable [2022-11-18 18:34:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_enable [2022-11-18 18:34:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_set_mode [2022-11-18 18:34:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_set_mode [2022-11-18 18:34:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 18:34:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 18:34:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pan_display [2022-11-18 18:34:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pan_display [2022-11-18 18:34:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2022-11-18 18:34:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2022-11-18 18:34:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure via_fb_pci_remove [2022-11-18 18:34:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure via_fb_pci_remove [2022-11-18 18:34:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_bus_free [2022-11-18 18:34:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_bus_free [2022-11-18 18:34:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_address [2022-11-18 18:34:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_address [2022-11-18 18:34:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 18:34:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 18:34:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_init_lvds_output_interface [2022-11-18 18:34:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_init_lvds_output_interface [2022-11-18 18:34:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_bpp [2022-11-18 18:34:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_bpp [2022-11-18 18:34:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure set_source_common [2022-11-18 18:34:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure set_source_common [2022-11-18 18:34:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_find_i2c_adapter [2022-11-18 18:34:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_find_i2c_adapter [2022-11-18 18:34:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga1_odev_proc_write [2022-11-18 18:34:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga1_odev_proc_write [2022-11-18 18:34:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_enable [2022-11-18 18:34:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_enable [2022-11-18 18:34:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2022-11-18 18:34:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2022-11-18 18:34:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_par [2022-11-18 18:34:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_par [2022-11-18 18:34:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 18:34:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 18:34:04,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:34:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:34:04,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_sync [2022-11-18 18:34:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sync [2022-11-18 18:34:04,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_output_frequency [2022-11-18 18:34:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_output_frequency [2022-11-18 18:34:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga2_odev_proc_write [2022-11-18 18:34:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga2_odev_proc_write [2022-11-18 18:34:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~~bool~0~TO~VOID [2022-11-18 18:34:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~~bool~0~TO~VOID [2022-11-18 18:34:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_remove [2022-11-18 18:34:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_remove [2022-11-18 18:34:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:34:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:34:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_enable_lvds_vt1636 [2022-11-18 18:34:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_enable_lvds_vt1636 [2022-11-18 18:34:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lock_crt [2022-11-18 18:34:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lock_crt [2022-11-18 18:34:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-18 18:34:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-18 18:34:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 18:34:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 18:34:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:34:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_clock_source_common [2022-11-18 18:34:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_clock_source_common [2022-11-18 18:34:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_primary_pll_encoded [2022-11-18 18:34:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_primary_pll_encoded [2022-11-18 18:34:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure set_color_register [2022-11-18 18:34:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_color_register [2022-11-18 18:34:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-18 18:34:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-18 18:34:04,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 18:34:04,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 18:34:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_get_best_mode [2022-11-18 18:34:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_get_best_mode [2022-11-18 18:34:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:34:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-18 18:34:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-18 18:34:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_viafb_pm_hooks_lock [2022-11-18 18:34:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_viafb_pm_hooks_lock [2022-11-18 18:34:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:34:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_write [2022-11-18 18:34:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_write [2022-11-18 18:34:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_read [2022-11-18 18:34:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_read [2022-11-18 18:34:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_read [2022-11-18 18:34:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_read [2022-11-18 18:34:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2022-11-18 18:34:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2022-11-18 18:34:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 18:34:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 18:34:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 18:34:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 18:34:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-18 18:34:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-18 18:34:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-11-18 18:34:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-11-18 18:34:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_register [2022-11-18 18:34:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_register [2022-11-18 18:34:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-18 18:34:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-18 18:34:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2022-11-18 18:34:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2022-11-18 18:34:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_disable [2022-11-18 18:34:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_disable [2022-11-18 18:34:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:34:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:34:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_vt1636_proc_write [2022-11-18 18:34:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_vt1636_proc_write [2022-11-18 18:34:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 18:34:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 18:34:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_writebyte [2022-11-18 18:34:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_writebyte [2022-11-18 18:34:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure via_gpio_set [2022-11-18 18:34:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure via_gpio_set [2022-11-18 18:34:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_timing [2022-11-18 18:34:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_timing [2022-11-18 18:34:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_address [2022-11-18 18:34:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_address [2022-11-18 18:34:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 18:34:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 18:34:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_read [2022-11-18 18:34:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_read [2022-11-18 18:34:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_enable [2022-11-18 18:34:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_enable [2022-11-18 18:34:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_probe [2022-11-18 18:34:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_probe [2022-11-18 18:34:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure odev_update [2022-11-18 18:34:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure odev_update [2022-11-18 18:34:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_read_lvds [2022-11-18 18:34:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_read_lvds [2022-11-18 18:34:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_remove [2022-11-18 18:34:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_remove [2022-11-18 18:34:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-18 18:34:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-18 18:34:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:34:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:34:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:34:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_lcd_output_path [2022-11-18 18:34:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_lcd_output_path [2022-11-18 18:34:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure via_teardown_subdevs [2022-11-18 18:34:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure via_teardown_subdevs [2022-11-18 18:34:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-18 18:34:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-18 18:34:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_var_timing_info [2022-11-18 18:34:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_var_timing_info [2022-11-18 18:34:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-18 18:34:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-18 18:34:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:34:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:34:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure via_resume [2022-11-18 18:34:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure via_resume [2022-11-18 18:34:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-11-18 18:34:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-11-18 18:34:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_write_regx [2022-11-18 18:34:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_write_regx [2022-11-18 18:34:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-18 18:34:04,935 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-18 18:34:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_free [2022-11-18 18:34:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_free [2022-11-18 18:34:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:34:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_add [2022-11-18 18:34:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_add [2022-11-18 18:34:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_suspend [2022-11-18 18:34:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_suspend [2022-11-18 18:34:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_sync [2022-11-18 18:34:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_sync [2022-11-18 18:34:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_probe [2022-11-18 18:34:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_probe [2022-11-18 18:34:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2022-11-18 18:34:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2022-11-18 18:34:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp0_proc_write [2022-11-18 18:34:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp0_proc_write [2022-11-18 18:34:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~VOID [2022-11-18 18:34:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~VOID [2022-11-18 18:34:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-18 18:34:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-18 18:34:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg [2022-11-18 18:34:04,939 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg [2022-11-18 18:34:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-18 18:34:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-18 18:34:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_vclock [2022-11-18 18:34:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_vclock [2022-11-18 18:34:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:34:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:34:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_get_preferred_mode [2022-11-18 18:34:04,941 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_get_preferred_mode [2022-11-18 18:34:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-18 18:34:04,941 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-18 18:34:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 18:34:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 18:34:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 18:34:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 18:34:04,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_2 [2022-11-18 18:34:04,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_2 [2022-11-18 18:34:04,943 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_set_mode [2022-11-18 18:34:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_set_mode [2022-11-18 18:34:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_query_EDID [2022-11-18 18:34:04,944 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_query_EDID [2022-11-18 18:34:04,944 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-18 18:34:04,944 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-18 18:34:04,945 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-18 18:34:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-18 18:34:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_dpa_gfx [2022-11-18 18:34:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_dpa_gfx [2022-11-18 18:34:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_secondary_pll_encoded [2022-11-18 18:34:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_secondary_pll_encoded [2022-11-18 18:34:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfpl_proc_write [2022-11-18 18:34:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfpl_proc_write [2022-11-18 18:34:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_device_setting [2022-11-18 18:34:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_device_setting [2022-11-18 18:34:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-18 18:34:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-18 18:34:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_crtc_timing [2022-11-18 18:34:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_crtc_timing [2022-11-18 18:34:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-18 18:34:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-18 18:34:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure machine_is_olpc [2022-11-18 18:34:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure machine_is_olpc [2022-11-18 18:34:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 18:34:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 18:34:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:34:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_write [2022-11-18 18:34:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_write [2022-11-18 18:34:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_show_hw_cursor [2022-11-18 18:34:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_show_hw_cursor [2022-11-18 18:34:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-18 18:34:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-18 18:34:07,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:34:07,102 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:34:12,892 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:35:19,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:35:19,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:35:19,280 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:35:19,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:19 BoogieIcfgContainer [2022-11-18 18:35:19,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:35:19,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:35:19,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:35:19,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:35:19,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:33:50" (1/3) ... [2022-11-18 18:35:19,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bc2009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:19, skipping insertion in model container [2022-11-18 18:35:19,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:34:01" (2/3) ... [2022-11-18 18:35:19,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34bc2009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:19, skipping insertion in model container [2022-11-18 18:35:19,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:19" (3/3) ... [2022-11-18 18:35:19,308 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-18 18:35:19,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:35:19,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:35:19,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:35:19,557 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31e70bf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:35:19,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:35:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 4843 states, 3458 states have (on average 1.4540196645459804) internal successors, (5028), 3644 states have internal predecessors, (5028), 1190 states have call successors, (1190), 194 states have call predecessors, (1190), 193 states have return successors, (1171), 1110 states have call predecessors, (1171), 1171 states have call successors, (1171) [2022-11-18 18:35:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-18 18:35:19,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:19,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:19,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:19,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -330216862, now seen corresponding path program 1 times [2022-11-18 18:35:19,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:19,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669628346] [2022-11-18 18:35:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:35:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:35:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:35:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:35:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:21,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:21,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669628346] [2022-11-18 18:35:21,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669628346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:21,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:21,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:35:21,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811668959] [2022-11-18 18:35:21,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:21,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:35:21,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:21,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:35:21,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:35:21,647 INFO L87 Difference]: Start difference. First operand has 4843 states, 3458 states have (on average 1.4540196645459804) internal successors, (5028), 3644 states have internal predecessors, (5028), 1190 states have call successors, (1190), 194 states have call predecessors, (1190), 193 states have return successors, (1171), 1110 states have call predecessors, (1171), 1171 states have call successors, (1171) Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:35:24,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:25,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:47,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:49,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:02,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:03,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:07,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:09,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:11,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:12,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:15,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:17,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:19,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:21,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:22,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:23,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:25,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:27,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:29,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:30,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:32,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:34,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:39,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:41,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:46,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:36:46,393 INFO L93 Difference]: Finished difference Result 9861 states and 15344 transitions. [2022-11-18 18:36:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:36:46,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2022-11-18 18:36:46,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:36:46,482 INFO L225 Difference]: With dead ends: 9861 [2022-11-18 18:36:46,482 INFO L226 Difference]: Without dead ends: 4997 [2022-11-18 18:36:46,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:36:46,529 INFO L413 NwaCegarLoop]: 5298 mSDtfsCounter, 3403 mSDsluCounter, 5652 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 3200 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 10950 SdHoareTripleChecker+Invalid, 8460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3200 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:36:46,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10950 Invalid, 8460 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3200 Valid, 5245 Invalid, 15 Unknown, 0 Unchecked, 83.6s Time] [2022-11-18 18:36:46,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4997 states. [2022-11-18 18:36:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4997 to 4817. [2022-11-18 18:36:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4817 states, 3453 states have (on average 1.4396177237185057) internal successors, (4971), 3618 states have internal predecessors, (4971), 1171 states have call successors, (1171), 193 states have call predecessors, (1171), 192 states have return successors, (1162), 1101 states have call predecessors, (1162), 1162 states have call successors, (1162) [2022-11-18 18:36:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 7304 transitions. [2022-11-18 18:36:47,104 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 7304 transitions. Word has length 47 [2022-11-18 18:36:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:36:47,105 INFO L495 AbstractCegarLoop]: Abstraction has 4817 states and 7304 transitions. [2022-11-18 18:36:47,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:36:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 7304 transitions. [2022-11-18 18:36:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-18 18:36:47,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:36:47,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:36:47,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:36:47,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:36:47,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash -724583648, now seen corresponding path program 1 times [2022-11-18 18:36:47,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:47,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613624105] [2022-11-18 18:36:47,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:47,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:36:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:36:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:36:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:36:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:36:49,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:49,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613624105] [2022-11-18 18:36:49,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613624105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:49,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:49,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:36:49,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189261723] [2022-11-18 18:36:49,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:49,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:36:49,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:49,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:36:49,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:36:49,397 INFO L87 Difference]: Start difference. First operand 4817 states and 7304 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:36:51,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:53,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:55,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:33,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:35,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:37,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:40,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:51,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:03,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:06,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:10,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:12,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:14,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:17,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:18,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:22,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:24,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:26,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:28,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:30,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:32,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:34,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:36,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:38,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:39,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:41,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:43,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:45,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:46,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:47,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:49,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:53,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:38:55,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:04,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:06,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:08,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:13,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:39:13,766 INFO L93 Difference]: Finished difference Result 14739 states and 22587 transitions. [2022-11-18 18:39:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:39:13,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-11-18 18:39:13,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:39:13,857 INFO L225 Difference]: With dead ends: 14739 [2022-11-18 18:39:13,857 INFO L226 Difference]: Without dead ends: 9929 [2022-11-18 18:39:13,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:39:13,889 INFO L413 NwaCegarLoop]: 6062 mSDtfsCounter, 12618 mSDsluCounter, 13707 mSDsCounter, 0 mSdLazyCounter, 11830 mSolverCounterSat, 7057 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13244 SdHoareTripleChecker+Valid, 19769 SdHoareTripleChecker+Invalid, 18913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7057 IncrementalHoareTripleChecker+Valid, 11830 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:39:13,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13244 Valid, 19769 Invalid, 18913 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7057 Valid, 11830 Invalid, 26 Unknown, 0 Unchecked, 142.9s Time] [2022-11-18 18:39:13,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9929 states. [2022-11-18 18:39:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9929 to 9546. [2022-11-18 18:39:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9546 states, 6845 states have (on average 1.4409057706355004) internal successors, (9863), 7168 states have internal predecessors, (9863), 2319 states have call successors, (2319), 382 states have call predecessors, (2319), 381 states have return successors, (2310), 2186 states have call predecessors, (2310), 2310 states have call successors, (2310) [2022-11-18 18:39:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9546 states to 9546 states and 14492 transitions. [2022-11-18 18:39:14,757 INFO L78 Accepts]: Start accepts. Automaton has 9546 states and 14492 transitions. Word has length 47 [2022-11-18 18:39:14,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:39:14,759 INFO L495 AbstractCegarLoop]: Abstraction has 9546 states and 14492 transitions. [2022-11-18 18:39:14,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:39:14,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9546 states and 14492 transitions. [2022-11-18 18:39:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-18 18:39:14,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:39:14,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:39:14,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:39:14,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:39:14,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash -126141562, now seen corresponding path program 1 times [2022-11-18 18:39:14,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:14,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245831050] [2022-11-18 18:39:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:14,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:39:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:39:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:39:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:39:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:39:16,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:16,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245831050] [2022-11-18 18:39:16,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245831050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:16,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:16,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:39:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672965445] [2022-11-18 18:39:16,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:16,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:16,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:16,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:16,399 INFO L87 Difference]: Start difference. First operand 9546 states and 14492 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:39:18,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:25,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:43,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:47,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:57,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:39:59,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:00,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:07,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:10,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:12,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:14,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:16,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:19,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:21,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:22,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:24,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:26,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:32,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:35,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:37,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:42,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:46,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:46,522 INFO L93 Difference]: Finished difference Result 26794 states and 41084 transitions. [2022-11-18 18:40:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:40:46,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2022-11-18 18:40:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:46,669 INFO L225 Difference]: With dead ends: 26794 [2022-11-18 18:40:46,669 INFO L226 Difference]: Without dead ends: 17255 [2022-11-18 18:40:46,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:40:46,732 INFO L413 NwaCegarLoop]: 7854 mSDtfsCounter, 10272 mSDsluCounter, 8962 mSDsCounter, 0 mSdLazyCounter, 8851 mSolverCounterSat, 7060 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10687 SdHoareTripleChecker+Valid, 16816 SdHoareTripleChecker+Invalid, 15927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7060 IncrementalHoareTripleChecker+Valid, 8851 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:46,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10687 Valid, 16816 Invalid, 15927 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7060 Valid, 8851 Invalid, 16 Unknown, 0 Unchecked, 88.6s Time] [2022-11-18 18:40:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17255 states. [2022-11-18 18:40:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17255 to 16734. [2022-11-18 18:40:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16734 states, 12009 states have (on average 1.4486635023732202) internal successors, (17397), 12610 states have internal predecessors, (17397), 4053 states have call successors, (4053), 672 states have call predecessors, (4053), 671 states have return successors, (4044), 3810 states have call predecessors, (4044), 4044 states have call successors, (4044) [2022-11-18 18:40:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16734 states to 16734 states and 25494 transitions. [2022-11-18 18:40:48,138 INFO L78 Accepts]: Start accepts. Automaton has 16734 states and 25494 transitions. Word has length 58 [2022-11-18 18:40:48,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:48,138 INFO L495 AbstractCegarLoop]: Abstraction has 16734 states and 25494 transitions. [2022-11-18 18:40:48,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:40:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16734 states and 25494 transitions. [2022-11-18 18:40:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-18 18:40:48,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:48,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:40:48,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:40:48,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2080214321, now seen corresponding path program 1 times [2022-11-18 18:40:48,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:40:48,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49958055] [2022-11-18 18:40:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:40:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:40:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:40:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:40:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:40:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 18:40:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 18:40:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 18:40:49,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:40:49,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49958055] [2022-11-18 18:40:49,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49958055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:49,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:49,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:40:49,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666730500] [2022-11-18 18:40:49,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:49,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:40:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:40:49,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:40:49,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:40:49,926 INFO L87 Difference]: Start difference. First operand 16734 states and 25494 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:40:52,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:54,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:09,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:24,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:30,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:32,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:35,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:38,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:40,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:42,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:44,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:45,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:46,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:50,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:57,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:00,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:07,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:09,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:10,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:13,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:16,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:16,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:16,847 INFO L93 Difference]: Finished difference Result 50543 states and 77682 transitions. [2022-11-18 18:42:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:42:16,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2022-11-18 18:42:16,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:17,233 INFO L225 Difference]: With dead ends: 50543 [2022-11-18 18:42:17,233 INFO L226 Difference]: Without dead ends: 33816 [2022-11-18 18:42:17,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:42:17,327 INFO L413 NwaCegarLoop]: 5997 mSDtfsCounter, 15890 mSDsluCounter, 7736 mSDsCounter, 0 mSdLazyCounter, 7461 mSolverCounterSat, 10073 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16492 SdHoareTripleChecker+Valid, 13733 SdHoareTripleChecker+Invalid, 17552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10073 IncrementalHoareTripleChecker+Valid, 7461 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:17,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16492 Valid, 13733 Invalid, 17552 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10073 Valid, 7461 Invalid, 18 Unknown, 0 Unchecked, 84.7s Time] [2022-11-18 18:42:17,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33816 states. [2022-11-18 18:42:19,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33816 to 32828. [2022-11-18 18:42:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32828 states, 23579 states have (on average 1.4505280122142585) internal successors, (34202), 24768 states have internal predecessors, (34202), 7924 states have call successors, (7924), 1325 states have call predecessors, (7924), 1324 states have return successors, (7915), 7451 states have call predecessors, (7915), 7915 states have call successors, (7915) [2022-11-18 18:42:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32828 states to 32828 states and 50041 transitions. [2022-11-18 18:42:19,955 INFO L78 Accepts]: Start accepts. Automaton has 32828 states and 50041 transitions. Word has length 61 [2022-11-18 18:42:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:19,957 INFO L495 AbstractCegarLoop]: Abstraction has 32828 states and 50041 transitions. [2022-11-18 18:42:19,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:42:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32828 states and 50041 transitions. [2022-11-18 18:42:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-18 18:42:19,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:19,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:19,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:42:19,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:42:19,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:19,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1914360192, now seen corresponding path program 1 times [2022-11-18 18:42:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:19,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462839342] [2022-11-18 18:42:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:19,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:42:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:42:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:42:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:42:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:42:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:42:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:22,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462839342] [2022-11-18 18:42:22,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462839342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:22,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:22,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:42:22,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365660762] [2022-11-18 18:42:22,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:22,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:42:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:22,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:42:22,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:42:22,731 INFO L87 Difference]: Start difference. First operand 32828 states and 50041 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:42:25,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:27,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:39,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:03,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:05,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:08,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:18,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:26,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:36,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:38,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:40,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:42,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:44,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:47,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:49,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:50,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:52,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:55,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:57,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:59,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:01,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:03,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:05,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:07,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:09,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:20,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:22,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:26,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:44:26,404 INFO L93 Difference]: Finished difference Result 67737 states and 104086 transitions. [2022-11-18 18:44:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:44:26,404 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-18 18:44:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:44:26,633 INFO L225 Difference]: With dead ends: 67737 [2022-11-18 18:44:26,633 INFO L226 Difference]: Without dead ends: 34916 [2022-11-18 18:44:26,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:44:26,786 INFO L413 NwaCegarLoop]: 6723 mSDtfsCounter, 5602 mSDsluCounter, 27076 mSDsCounter, 0 mSdLazyCounter, 16242 mSolverCounterSat, 2693 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6459 SdHoareTripleChecker+Valid, 33799 SdHoareTripleChecker+Invalid, 18957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2693 IncrementalHoareTripleChecker+Valid, 16242 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:44:26,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6459 Valid, 33799 Invalid, 18957 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2693 Valid, 16242 Invalid, 22 Unknown, 0 Unchecked, 121.1s Time] [2022-11-18 18:44:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34916 states. [2022-11-18 18:44:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34916 to 32828. [2022-11-18 18:44:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32828 states, 23579 states have (on average 1.4503583697357818) internal successors, (34198), 24768 states have internal predecessors, (34198), 7924 states have call successors, (7924), 1325 states have call predecessors, (7924), 1324 states have return successors, (7915), 7451 states have call predecessors, (7915), 7915 states have call successors, (7915) [2022-11-18 18:44:29,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32828 states to 32828 states and 50037 transitions. [2022-11-18 18:44:29,592 INFO L78 Accepts]: Start accepts. Automaton has 32828 states and 50037 transitions. Word has length 66 [2022-11-18 18:44:29,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:44:29,592 INFO L495 AbstractCegarLoop]: Abstraction has 32828 states and 50037 transitions. [2022-11-18 18:44:29,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:44:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32828 states and 50037 transitions. [2022-11-18 18:44:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-18 18:44:29,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:44:29,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:44:29,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:44:29,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:44:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:44:29,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1957905278, now seen corresponding path program 1 times [2022-11-18 18:44:29,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:44:29,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707978555] [2022-11-18 18:44:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:44:29,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:44:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:44:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:44:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:44:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:44:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:44:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:44:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:44:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:44:32,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:44:32,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707978555] [2022-11-18 18:44:32,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707978555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:44:32,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:44:32,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:44:32,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362507654] [2022-11-18 18:44:32,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:44:32,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:44:32,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:44:32,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:44:32,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:44:32,489 INFO L87 Difference]: Start difference. First operand 32828 states and 50037 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:44:34,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:12,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:15,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:16,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:25,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:28,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:42,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:49,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:53,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:55,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:57,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:45:58,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:01,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:03,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:06,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:08,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:10,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:12,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:14,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:16,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:17,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:19,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:21,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:22,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:24,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:32,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:36,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:39,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:46:39,680 INFO L93 Difference]: Finished difference Result 78163 states and 121634 transitions. [2022-11-18 18:46:39,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:46:39,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2022-11-18 18:46:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:46:39,896 INFO L225 Difference]: With dead ends: 78163 [2022-11-18 18:46:39,896 INFO L226 Difference]: Without dead ends: 45342 [2022-11-18 18:46:40,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:46:40,021 INFO L413 NwaCegarLoop]: 7625 mSDtfsCounter, 5599 mSDsluCounter, 31233 mSDsCounter, 0 mSdLazyCounter, 17252 mSolverCounterSat, 2747 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6469 SdHoareTripleChecker+Valid, 38858 SdHoareTripleChecker+Invalid, 20014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 2747 IncrementalHoareTripleChecker+Valid, 17252 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:46:40,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6469 Valid, 38858 Invalid, 20014 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [2747 Valid, 17252 Invalid, 15 Unknown, 0 Unchecked, 124.3s Time] [2022-11-18 18:46:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45342 states. [2022-11-18 18:46:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45342 to 32844. [2022-11-18 18:46:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32844 states, 23591 states have (on average 1.4501292865923445) internal successors, (34210), 24780 states have internal predecessors, (34210), 7924 states have call successors, (7924), 1325 states have call predecessors, (7924), 1328 states have return successors, (7927), 7455 states have call predecessors, (7927), 7915 states have call successors, (7927) [2022-11-18 18:46:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32844 states to 32844 states and 50061 transitions. [2022-11-18 18:46:42,806 INFO L78 Accepts]: Start accepts. Automaton has 32844 states and 50061 transitions. Word has length 66 [2022-11-18 18:46:42,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:46:42,826 INFO L495 AbstractCegarLoop]: Abstraction has 32844 states and 50061 transitions. [2022-11-18 18:46:42,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:46:42,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32844 states and 50061 transitions. [2022-11-18 18:46:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-18 18:46:42,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:46:42,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:42,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:46:42,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:46:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:42,833 INFO L85 PathProgramCache]: Analyzing trace with hash -786143917, now seen corresponding path program 1 times [2022-11-18 18:46:42,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:42,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948131967] [2022-11-18 18:46:42,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 18:46:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 18:46:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:46:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 18:46:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 18:46:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:46:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:44,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:44,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948131967] [2022-11-18 18:46:44,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948131967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:44,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:44,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:46:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078590405] [2022-11-18 18:46:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:44,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:46:44,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:44,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:46:44,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:46:44,864 INFO L87 Difference]: Start difference. First operand 32844 states and 50061 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:46:47,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:46:48,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:04,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:06,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:08,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:18,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:20,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:21,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:24,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:47:26,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []