./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-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ --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 3e9c6ba87a54868dec599f719996df2badd1b08d2641eaf7156cfe2e5d004f90 --- 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-dbf71c6-m [2022-10-17 10:45:16,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:45:16,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:45:16,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:45:16,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:45:16,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:45:16,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:45:16,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:45:16,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:45:16,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:45:16,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:45:16,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:45:16,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:45:16,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:45:16,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:45:16,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:45:16,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:45:16,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:45:16,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:45:16,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:45:16,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:45:16,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:45:16,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:45:16,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:45:16,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:45:16,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:45:16,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:45:16,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:45:16,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:45:16,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:45:16,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:45:16,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:45:16,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:45:16,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:45:16,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:45:16,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:45:16,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:45:16,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:45:16,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:45:16,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:45:16,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:45:16,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:45:16,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:45:16,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:45:16,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:45:16,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:45:16,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:45:16,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:45:16,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:45:16,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:45:16,941 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:45:16,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:45:16,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:45:16,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:45:16,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:45:16,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:45:16,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:45:16,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:45:16,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:45:16,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:45:16,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:45:16,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:45:16,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:45:16,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:16,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:45:16,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:45:16,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:45:16,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:45:16,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:45:16,954 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:45:16,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:45:16,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:45:16,954 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_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e9c6ba87a54868dec599f719996df2badd1b08d2641eaf7156cfe2e5d004f90 [2022-10-17 10:45:17,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:45:17,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:45:17,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:45:17,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:45:17,287 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:45:17,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2022-10-17 10:45:17,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/data/57865fe55/f57c2c276ce34d298317f6f3fc717b87/FLAG649bff13e [2022-10-17 10:45:18,262 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:45:18,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2022-10-17 10:45:18,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/data/57865fe55/f57c2c276ce34d298317f6f3fc717b87/FLAG649bff13e [2022-10-17 10:45:18,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/data/57865fe55/f57c2c276ce34d298317f6f3fc717b87 [2022-10-17 10:45:18,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:45:18,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:45:18,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:18,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:45:18,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:45:18,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:18" (1/1) ... [2022-10-17 10:45:18,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70dac9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:18, skipping insertion in model container [2022-10-17 10:45:18,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:45:18" (1/1) ... [2022-10-17 10:45:18,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:45:18,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:45:20,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i[206964,206977] [2022-10-17 10:45:20,446 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-17 10:45:20,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:20,518 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:45:20,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i[206964,206977] [2022-10-17 10:45:20,909 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-17 10:45:20,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:45:21,061 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:45:21,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21 WrapperNode [2022-10-17 10:45:21,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:45:21,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:21,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:45:21,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:45:21,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,373 INFO L138 Inliner]: procedures = 217, calls = 1318, calls flagged for inlining = 114, calls inlined = 113, statements flattened = 3973 [2022-10-17 10:45:21,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:45:21,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:45:21,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:45:21,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:45:21,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:45:21,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:45:21,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:45:21,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:45:21,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (1/1) ... [2022-10-17 10:45:21,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:45:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:45:21,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:45:21,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064ecfbe-6b7d-40c7-b9f3-a57a4bd7f8c0/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:45:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_event [2022-10-17 10:45:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_event [2022-10-17 10:45:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_raw [2022-10-17 10:45:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_raw [2022-10-17 10:45:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-17 10:45:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:45:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:45:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure iio_pollfunc_store_time [2022-10-17 10:45:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_pollfunc_store_time [2022-10-17 10:45:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:45:21,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:45:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:45:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:45:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_range [2022-10-17 10:45:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_range [2022-10-17 10:45:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:45:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:45:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:45:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:45:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-10-17 10:45:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-10-17 10:45:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:45:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:45:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2022-10-17 10:45:21,812 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2022-10-17 10:45:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:45:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2022-10-17 10:45:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2022-10-17 10:45:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-17 10:45:21,813 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-17 10:45:21,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 10:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:45:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:45:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2022-10-17 10:45:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2022-10-17 10:45:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2022-10-17 10:45:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2022-10-17 10:45:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:45:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:45:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:45:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:45:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_raw [2022-10-17 10:45:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_raw [2022-10-17 10:45:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2022-10-17 10:45:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2022-10-17 10:45:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2022-10-17 10:45:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2022-10-17 10:45:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_power_state [2022-10-17 10:45:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_power_state [2022-10-17 10:45:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-17 10:45:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-17 10:45:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2022-10-17 10:45:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2022-10-17 10:45:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:45:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:45:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:45:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-10-17 10:45:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-10-17 10:45:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2022-10-17 10:45:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2022-10-17 10:45:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:45:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-17 10:45:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-17 10:45:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_trigger_handler [2022-10-17 10:45:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_trigger_handler [2022-10-17 10:45:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-10-17 10:45:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-10-17 10:45:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2022-10-17 10:45:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2022-10-17 10:45:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2022-10-17 10:45:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2022-10-17 10:45:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_event_handler [2022-10-17 10:45:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_event_handler [2022-10-17 10:45:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_setup_any_motion_interrupt [2022-10-17 10:45:21,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_setup_any_motion_interrupt [2022-10-17 10:45:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:45:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:45:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:45:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:45:21,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:45:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:45:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:45:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:45:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_mode [2022-10-17 10:45:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_mode [2022-10-17 10:45:21,826 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_acc_reg [2022-10-17 10:45:21,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_acc_reg [2022-10-17 10:45:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_mode [2022-10-17 10:45:21,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_mode [2022-10-17 10:45:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:45:21,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:45:21,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-10-17 10:45:21,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-10-17 10:45:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 10:45:21,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 10:45:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-10-17 10:45:21,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-10-17 10:45:21,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-10-17 10:45:21,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-10-17 10:45:21,830 INFO L130 BoogieDeclarations]: Found specification of procedure iio_read_const_attr [2022-10-17 10:45:21,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_read_const_attr [2022-10-17 10:45:21,830 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_resume [2022-10-17 10:45:21,830 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_resume [2022-10-17 10:45:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_event [2022-10-17 10:45:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_event [2022-10-17 10:45:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_event [2022-10-17 10:45:21,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_event [2022-10-17 10:45:21,831 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_suspend [2022-10-17 10:45:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_suspend [2022-10-17 10:45:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:45:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-17 10:45:21,832 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-17 10:45:21,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:45:21,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:45:21,833 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_data_rdy_trig_poll [2022-10-17 10:45:21,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_data_rdy_trig_poll [2022-10-17 10:45:21,836 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:45:21,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:45:22,627 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:45:22,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:45:23,039 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:45:44,445 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:45:44,472 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:45:44,472 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:45:44,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:44 BoogieIcfgContainer [2022-10-17 10:45:44,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:45:44,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:45:44,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:45:44,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:45:44,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:45:18" (1/3) ... [2022-10-17 10:45:44,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b01d39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:44, skipping insertion in model container [2022-10-17 10:45:44,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:45:21" (2/3) ... [2022-10-17 10:45:44,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b01d39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:45:44, skipping insertion in model container [2022-10-17 10:45:44,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:45:44" (3/3) ... [2022-10-17 10:45:44,499 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2022-10-17 10:45:44,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:45:44,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:45:44,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:45:44,620 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;@3090de85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:45:44,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:45:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 1256 states, 951 states have (on average 1.4542586750788644) internal successors, (1383), 971 states have internal predecessors, (1383), 252 states have call successors, (252), 52 states have call predecessors, (252), 51 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) [2022-10-17 10:45:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-17 10:45:44,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:45:44,680 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:45:44,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:45:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:45:44,688 INFO L85 PathProgramCache]: Analyzing trace with hash -276114238, now seen corresponding path program 1 times [2022-10-17 10:45:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:45:44,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236475112] [2022-10-17 10:45:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:45:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:45:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:45:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:45:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:45:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:45:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:45:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:45:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:45:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:45:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-17 10:45:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-17 10:45:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:45:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:45:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:45:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-17 10:45:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-17 10:45:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-17 10:45:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-10-17 10:45:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-10-17 10:45:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-10-17 10:45:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-17 10:45:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-17 10:45:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-17 10:45:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-17 10:45:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-17 10:45:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-17 10:45:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-17 10:45:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-17 10:45:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-17 10:45:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-17 10:45:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-10-17 10:45:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-10-17 10:45:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:45:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2022-10-17 10:45:46,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:45:46,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236475112] [2022-10-17 10:45:46,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236475112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:45:46,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:45:46,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:45:46,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878389567] [2022-10-17 10:45:46,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:45:46,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:45:46,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:45:46,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:45:46,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:45:46,833 INFO L87 Difference]: Start difference. First operand has 1256 states, 951 states have (on average 1.4542586750788644) internal successors, (1383), 971 states have internal predecessors, (1383), 252 states have call successors, (252), 52 states have call predecessors, (252), 51 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-10-17 10:45:48,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:45:50,935 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 []