./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:02:12,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:02:12,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:02:12,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:02:12,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:02:12,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:02:12,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:02:12,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:02:12,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:02:12,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:02:12,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:02:12,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:02:12,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:02:12,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:02:12,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:02:12,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:02:12,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:02:12,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:02:12,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:02:12,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:02:12,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:02:12,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:02:12,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:02:12,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:02:12,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:02:12,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:02:12,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:02:12,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:02:12,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:02:12,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:02:12,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:02:12,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:02:12,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:02:12,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:02:12,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:02:12,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:02:12,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:02:12,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:02:12,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:02:12,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:02:12,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:02:12,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:02:12,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:02:12,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:02:12,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:02:12,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:02:12,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:02:12,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:02:12,680 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:02:12,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:02:12,680 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:02:12,680 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:02:12,682 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:02:12,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:02:12,682 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:02:12,682 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:02:12,683 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:02:12,683 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:02:12,683 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:02:12,684 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:02:12,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:02:12,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:02:12,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:02:12,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:02:12,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:02:12,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:02:12,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:02:12,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:02:12,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:02:12,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:02:12,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:02:12,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:02:12,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:02:12,688 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:02:12,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:02:12,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:02:12,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:02:12,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:02:12,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:02:12,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:02:12,691 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_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-11-19 08:02:13,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:02:13,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:02:13,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:02:13,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:02:13,040 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:02:13,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-19 08:02:13,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/data/864476cbd/f3051ab7f89946538acf7cc146dee3e1/FLAGa74d7a2b8 [2022-11-19 08:02:14,204 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:02:14,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-19 08:02:14,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/data/864476cbd/f3051ab7f89946538acf7cc146dee3e1/FLAGa74d7a2b8 [2022-11-19 08:02:14,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/data/864476cbd/f3051ab7f89946538acf7cc146dee3e1 [2022-11-19 08:02:14,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:02:14,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:02:14,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:02:14,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:02:14,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:02:14,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:14" (1/1) ... [2022-11-19 08:02:14,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b5f053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:14, skipping insertion in model container [2022-11-19 08:02:14,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:14" (1/1) ... [2022-11-19 08:02:14,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:02:14,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:02:19,494 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-11-19 08:02:19,500 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-11-19 08:02:19,502 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-11-19 08:02:19,503 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-11-19 08:02:19,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:02:19,625 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:02:20,476 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-11-19 08:02:20,477 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-11-19 08:02:20,478 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-11-19 08:02:20,478 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_5dc34694-71f4-4015-99ff-637fe6e88d76/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-11-19 08:02:20,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:02:20,741 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:02:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20 WrapperNode [2022-11-19 08:02:20,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:02:20,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:02:20,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:02:20,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:02:20,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:20,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:21,391 INFO L138 Inliner]: procedures = 524, calls = 8790, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 12963 [2022-11-19 08:02:21,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:02:21,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:02:21,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:02:21,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:02:21,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:21,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:21,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:21,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,185 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:02:22,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:02:22,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:02:22,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:02:22,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (1/1) ... [2022-11-19 08:02:22,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:02:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:22,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:02:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:02:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 08:02:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 08:02:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-19 08:02:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-19 08:02:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:02:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:02:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:02:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:02:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-11-19 08:02:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-11-19 08:02:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-11-19 08:02:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-11-19 08:02:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-11-19 08:02:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-11-19 08:02:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-19 08:02:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-19 08:02:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-11-19 08:02:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-11-19 08:02:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-11-19 08:02:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-11-19 08:02:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-19 08:02:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-19 08:02:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-19 08:02:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-11-19 08:02:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-11-19 08:02:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-11-19 08:02:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-11-19 08:02:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-11-19 08:02:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-11-19 08:02:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-11-19 08:02:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-11-19 08:02:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:02:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:02:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:02:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-11-19 08:02:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-11-19 08:02:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-11-19 08:02:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-11-19 08:02:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:02:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:02:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-19 08:02:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-19 08:02:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:02:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:02:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:02:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:02:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:02:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:02:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-19 08:02:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-19 08:02:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:02:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-19 08:02:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-19 08:02:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-11-19 08:02:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-11-19 08:02:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-11-19 08:02:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-11-19 08:02:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:02:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:02:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-19 08:02:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-19 08:02:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-11-19 08:02:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-11-19 08:02:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:02:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:02:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-11-19 08:02:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-11-19 08:02:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:02:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-11-19 08:02:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-11-19 08:02:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:02:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:02:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-11-19 08:02:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-11-19 08:02:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:02:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-11-19 08:02:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-11-19 08:02:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:02:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:02:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-11-19 08:02:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-11-19 08:02:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-11-19 08:02:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-11-19 08:02:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-19 08:02:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-19 08:02:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:02:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-19 08:02:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-19 08:02:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:02:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:02:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:02:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:02:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-19 08:02:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-19 08:02:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:02:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:02:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-11-19 08:02:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-11-19 08:02:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-19 08:02:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-19 08:02:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-11-19 08:02:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-11-19 08:02:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-19 08:02:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:02:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:02:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-19 08:02:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-19 08:02:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:02:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-19 08:02:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-19 08:02:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-11-19 08:02:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-11-19 08:02:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:02:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-11-19 08:02:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-11-19 08:02:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:02:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:02:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:02:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:02:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-11-19 08:02:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-11-19 08:02:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:02:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:02:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-11-19 08:02:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-11-19 08:02:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-19 08:02:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-19 08:02:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-11-19 08:02:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-11-19 08:02:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-11-19 08:02:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-11-19 08:02:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-11-19 08:02:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-11-19 08:02:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-11-19 08:02:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-11-19 08:02:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-19 08:02:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-19 08:02:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-11-19 08:02:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-11-19 08:02:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:02:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:02:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-19 08:02:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-19 08:02:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:02:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:02:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:02:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:02:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-19 08:02:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-19 08:02:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-11-19 08:02:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-11-19 08:02:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-19 08:02:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-19 08:02:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-11-19 08:02:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-11-19 08:02:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-19 08:02:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-19 08:02:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-19 08:02:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-19 08:02:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-19 08:02:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-19 08:02:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-19 08:02:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-19 08:02:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-11-19 08:02:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-11-19 08:02:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-19 08:02:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-19 08:02:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:02:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:02:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-11-19 08:02:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-11-19 08:02:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-11-19 08:02:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-11-19 08:02:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-11-19 08:02:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-11-19 08:02:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:02:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:02:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-11-19 08:02:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-11-19 08:02:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-19 08:02:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-19 08:02:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-11-19 08:02:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-11-19 08:02:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-11-19 08:02:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-11-19 08:02:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-19 08:02:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-19 08:02:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-19 08:02:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-19 08:02:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-19 08:02:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-19 08:02:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-11-19 08:02:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-11-19 08:02:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 08:02:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 08:02:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-11-19 08:02:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-11-19 08:02:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-11-19 08:02:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-11-19 08:02:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:02:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:02:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:02:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-11-19 08:02:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-11-19 08:02:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:02:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-11-19 08:02:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-11-19 08:02:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-11-19 08:02:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-11-19 08:02:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-19 08:02:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-19 08:02:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-11-19 08:02:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-11-19 08:02:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:02:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 08:02:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 08:02:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 08:02:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 08:02:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:02:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:02:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 08:02:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 08:02:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-11-19 08:02:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-11-19 08:02:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:02:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:02:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-19 08:02:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-19 08:02:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-19 08:02:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-19 08:02:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:02:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:02:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-11-19 08:02:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-11-19 08:02:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-19 08:02:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-19 08:02:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:02:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:02:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:02:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:02:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-11-19 08:02:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-11-19 08:02:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-11-19 08:02:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-11-19 08:02:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-11-19 08:02:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-11-19 08:02:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-11-19 08:02:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-11-19 08:02:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-19 08:02:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-19 08:02:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-11-19 08:02:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-11-19 08:02:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-11-19 08:02:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-11-19 08:02:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:02:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:02:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:02:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:02:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:02:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-19 08:02:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-19 08:02:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-19 08:02:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-19 08:02:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:02:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:02:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-11-19 08:02:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-11-19 08:02:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 08:02:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 08:02:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-11-19 08:02:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-11-19 08:02:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-11-19 08:02:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-11-19 08:02:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-19 08:02:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-19 08:02:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-11-19 08:02:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-11-19 08:02:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-11-19 08:02:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-11-19 08:02:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-19 08:02:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-19 08:02:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-19 08:02:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-19 08:02:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-19 08:02:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-19 08:02:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-19 08:02:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-19 08:02:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 08:02:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 08:02:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-11-19 08:02:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-11-19 08:02:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-11-19 08:02:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-11-19 08:02:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:02:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:02:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-11-19 08:02:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-11-19 08:02:22,607 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-11-19 08:02:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-11-19 08:02:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-11-19 08:02:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-11-19 08:02:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-11-19 08:02:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-11-19 08:02:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-19 08:02:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-19 08:02:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-11-19 08:02:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-11-19 08:02:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-11-19 08:02:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-11-19 08:02:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:02:22,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-19 08:02:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-19 08:02:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-11-19 08:02:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-11-19 08:02:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:02:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:02:24,012 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:02:24,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:02:24,264 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:02:24,655 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,655 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10870: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1043#1 && __copy_to_user_nocheck_#t~ret1043#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16#1 := __copy_to_user_nocheck_#t~ret1043#1;havoc __copy_to_user_nocheck_#t~ret1043#1; [2022-11-19 08:02:24,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: SUMMARY for call __copy_to_user_nocheck_#t~ret1044#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-19 08:02:24,656 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0 != __copy_to_user_nocheck_~tmp___1~16#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0 != __copy_to_user_nocheck_~tmp___1~16#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,657 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10856: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1042#1 && __copy_to_user_nocheck_#t~ret1042#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1042#1;havoc __copy_to_user_nocheck_#t~ret1042#1; [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:24,658 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:24,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: SUMMARY for call __copy_to_user_nocheck_#t~ret1042#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-19 08:02:24,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: SUMMARY for call __copy_to_user_nocheck_#t~ret1043#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-19 08:02:24,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:24,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1044#1;havoc __copy_to_user_nocheck_#t~ret1044#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-19 08:02:24,659 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10779: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1039#1;havoc __copy_from_user_nocheck_#t~ret1039#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10767: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1038#1 && __copy_from_user_nocheck_#t~ret1038#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15#1 := __copy_from_user_nocheck_#t~ret1038#1;havoc __copy_from_user_nocheck_#t~ret1038#1; [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: SUMMARY for call __copy_from_user_nocheck_#t~ret1039#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: SUMMARY for call __copy_from_user_nocheck_#t~ret1038#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10752: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1037#1 && __copy_from_user_nocheck_#t~ret1037#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1037#1;havoc __copy_from_user_nocheck_#t~ret1037#1; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: SUMMARY for call __copy_from_user_nocheck_#t~ret1037#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0 != __copy_from_user_nocheck_~tmp___1~15#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0 != __copy_from_user_nocheck_~tmp___1~15#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:02:27,844 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-19 08:03:56,892 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:04:00,909 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:04:00,910 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-19 08:04:00,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:00 BoogieIcfgContainer [2022-11-19 08:04:00,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:04:00,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:04:00,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:04:00,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:04:00,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:14" (1/3) ... [2022-11-19 08:04:00,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256113d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:00, skipping insertion in model container [2022-11-19 08:04:00,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:20" (2/3) ... [2022-11-19 08:04:00,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256113d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:00, skipping insertion in model container [2022-11-19 08:04:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:00" (3/3) ... [2022-11-19 08:04:00,930 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-19 08:04:00,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:04:00,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-19 08:04:01,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:04:01,048 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d33f4c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:04:01,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-19 08:04:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 2057 states, 1321 states have (on average 1.356548069644209) internal successors, (1792), 1364 states have internal predecessors, (1792), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2022-11-19 08:04:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 08:04:01,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:01,069 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:01,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:04:01,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:01,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1621349419, now seen corresponding path program 1 times [2022-11-19 08:04:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:01,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964151604] [2022-11-19 08:04:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 08:04:03,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964151604] [2022-11-19 08:04:03,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964151604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:03,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:03,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:03,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59496363] [2022-11-19 08:04:03,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:03,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:04:03,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:03,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:04:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:04:03,978 INFO L87 Difference]: Start difference. First operand has 2057 states, 1321 states have (on average 1.356548069644209) internal successors, (1792), 1364 states have internal predecessors, (1792), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:04:06,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:09,157 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 [] [2022-11-19 08:04:19,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:19,940 INFO L93 Difference]: Finished difference Result 5130 states and 7249 transitions. [2022-11-19 08:04:19,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:19,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-19 08:04:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:19,979 INFO L225 Difference]: With dead ends: 5130 [2022-11-19 08:04:19,979 INFO L226 Difference]: Without dead ends: 2724 [2022-11-19 08:04:19,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:20,000 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 1882 mSDsluCounter, 5467 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:20,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 8495 Invalid, 1430 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1426 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 08:04:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-11-19 08:04:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2718. [2022-11-19 08:04:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 1728 states have (on average 1.3263888888888888) internal successors, (2292), 1770 states have internal predecessors, (2292), 756 states have call successors, (756), 234 states have call predecessors, (756), 230 states have return successors, (751), 742 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-19 08:04:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3799 transitions. [2022-11-19 08:04:20,225 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3799 transitions. Word has length 56 [2022-11-19 08:04:20,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:20,226 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3799 transitions. [2022-11-19 08:04:20,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:04:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3799 transitions. [2022-11-19 08:04:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 08:04:20,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:20,240 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:20,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:04:20,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:04:20,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:20,243 INFO L85 PathProgramCache]: Analyzing trace with hash 106928072, now seen corresponding path program 1 times [2022-11-19 08:04:20,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:20,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570774154] [2022-11-19 08:04:20,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:20,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-11-19 08:04:22,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:22,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570774154] [2022-11-19 08:04:22,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570774154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:22,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:22,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:22,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929356661] [2022-11-19 08:04:22,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:22,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:04:22,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:22,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:04:22,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:04:22,355 INFO L87 Difference]: Start difference. First operand 2718 states and 3799 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 08:04:24,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:27,373 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 [] [2022-11-19 08:04:38,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:38,144 INFO L93 Difference]: Finished difference Result 3176 states and 4520 transitions. [2022-11-19 08:04:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:38,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-11-19 08:04:38,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:38,165 INFO L225 Difference]: With dead ends: 3176 [2022-11-19 08:04:38,165 INFO L226 Difference]: Without dead ends: 3174 [2022-11-19 08:04:38,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:38,169 INFO L413 NwaCegarLoop]: 3113 mSDtfsCounter, 1305 mSDsluCounter, 5643 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 27 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1467 SdHoareTripleChecker+Valid, 8756 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:38,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1467 Valid, 8756 Invalid, 1519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 1490 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 08:04:38,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2022-11-19 08:04:38,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2718. [2022-11-19 08:04:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 1728 states have (on average 1.3258101851851851) internal successors, (2291), 1770 states have internal predecessors, (2291), 756 states have call successors, (756), 234 states have call predecessors, (756), 230 states have return successors, (751), 742 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-19 08:04:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3798 transitions. [2022-11-19 08:04:38,301 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3798 transitions. Word has length 138 [2022-11-19 08:04:38,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:38,304 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3798 transitions. [2022-11-19 08:04:38,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 08:04:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3798 transitions. [2022-11-19 08:04:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-19 08:04:38,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:38,318 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:04:38,319 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:04:38,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash -788756943, now seen corresponding path program 1 times [2022-11-19 08:04:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:38,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587132543] [2022-11-19 08:04:38,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:38,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-19 08:04:40,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:40,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587132543] [2022-11-19 08:04:40,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587132543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:40,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:40,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:40,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50849570] [2022-11-19 08:04:40,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:40,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:04:40,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:40,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:04:40,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:04:40,042 INFO L87 Difference]: Start difference. First operand 2718 states and 3798 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 08:04:42,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:44,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:55,812 INFO L93 Difference]: Finished difference Result 4663 states and 6617 transitions. [2022-11-19 08:04:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:04:55,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 195 [2022-11-19 08:04:55,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:55,834 INFO L225 Difference]: With dead ends: 4663 [2022-11-19 08:04:55,834 INFO L226 Difference]: Without dead ends: 3342 [2022-11-19 08:04:55,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:55,842 INFO L413 NwaCegarLoop]: 3235 mSDtfsCounter, 1149 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 424 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 8570 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:55,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 8570 Invalid, 1874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [424 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 08:04:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2022-11-19 08:04:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 2720. [2022-11-19 08:04:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 1730 states have (on average 1.3254335260115606) internal successors, (2293), 1772 states have internal predecessors, (2293), 756 states have call successors, (756), 234 states have call predecessors, (756), 230 states have return successors, (751), 742 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-19 08:04:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3800 transitions. [2022-11-19 08:04:55,973 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3800 transitions. Word has length 195 [2022-11-19 08:04:55,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:55,975 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 3800 transitions. [2022-11-19 08:04:55,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 08:04:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3800 transitions. [2022-11-19 08:04:55,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-19 08:04:55,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:55,983 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:55,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:04:55,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:04:55,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237652, now seen corresponding path program 1 times [2022-11-19 08:04:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:55,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437601382] [2022-11-19 08:04:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-19 08:05:02,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:02,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437601382] [2022-11-19 08:05:02,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437601382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:02,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:02,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:05:02,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931695592] [2022-11-19 08:05:02,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:02,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:05:02,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:05:02,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:05:02,133 INFO L87 Difference]: Start difference. First operand 2720 states and 3800 transitions. Second operand has 8 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 08:05:04,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:09,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:18,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:33,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:33,309 INFO L93 Difference]: Finished difference Result 4807 states and 6791 transitions. [2022-11-19 08:05:33,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:05:33,310 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 201 [2022-11-19 08:05:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:33,330 INFO L225 Difference]: With dead ends: 4807 [2022-11-19 08:05:33,331 INFO L226 Difference]: Without dead ends: 2785 [2022-11-19 08:05:33,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:05:33,341 INFO L413 NwaCegarLoop]: 2497 mSDtfsCounter, 49 mSDsluCounter, 14932 mSDsCounter, 0 mSdLazyCounter, 3153 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 17429 SdHoareTripleChecker+Invalid, 3155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3153 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:33,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 17429 Invalid, 3155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3153 Invalid, 2 Unknown, 0 Unchecked, 30.9s Time] [2022-11-19 08:05:33,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2022-11-19 08:05:33,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2726. [2022-11-19 08:05:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 1734 states have (on average 1.3246828143021914) internal successors, (2297), 1776 states have internal predecessors, (2297), 756 states have call successors, (756), 234 states have call predecessors, (756), 232 states have return successors, (755), 744 states have call predecessors, (755), 751 states have call successors, (755) [2022-11-19 08:05:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 3808 transitions. [2022-11-19 08:05:33,615 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 3808 transitions. Word has length 201 [2022-11-19 08:05:33,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:33,616 INFO L495 AbstractCegarLoop]: Abstraction has 2726 states and 3808 transitions. [2022-11-19 08:05:33,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 08:05:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3808 transitions. [2022-11-19 08:05:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-19 08:05:33,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:33,624 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:33,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:05:33,625 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:05:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:33,626 INFO L85 PathProgramCache]: Analyzing trace with hash -632061040, now seen corresponding path program 1 times [2022-11-19 08:05:33,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:33,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312518767] [2022-11-19 08:05:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:33,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:34,114 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:05:34,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309423634] [2022-11-19 08:05:34,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:34,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:34,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:34,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:05:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:37,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 11783 conjuncts, 312 conjunts are in the unsatisfiable core [2022-11-19 08:05:37,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:38,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:05:38,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:05:38,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-19 08:05:38,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:05:39,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-11-19 08:05:39,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:05:41,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 59 [2022-11-19 08:05:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:41,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 40 [2022-11-19 08:05:41,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2022-11-19 08:05:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:42,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:05:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:42,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2022-11-19 08:05:42,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2022-11-19 08:05:42,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 08:05:42,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:05:42,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:42,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-19 08:05:42,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:05:42,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 41 [2022-11-19 08:05:44,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-19 08:05:44,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2022-11-19 08:05:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 102 proven. 32 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-19 08:05:44,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:05:45,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2022-11-19 08:05:46,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-19 08:05:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-19 08:05:48,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:48,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312518767] [2022-11-19 08:05:48,784 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:05:48,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309423634] [2022-11-19 08:05:48,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309423634] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 08:05:48,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:05:48,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [32] total 49 [2022-11-19 08:05:48,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99754538] [2022-11-19 08:05:48,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:48,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-19 08:05:48,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:48,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-19 08:05:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=2058, Unknown=22, NotChecked=0, Total=2352 [2022-11-19 08:05:48,788 INFO L87 Difference]: Start difference. First operand 2726 states and 3808 transitions. Second operand has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 13 states have internal predecessors, (75), 7 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (32), 9 states have call predecessors, (32), 7 states have call successors, (32) [2022-11-19 08:05:50,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:09,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:16,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:45,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:47,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:48,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:50,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:53,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:07:19,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:08:04,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:08:04,201 INFO L93 Difference]: Finished difference Result 4432 states and 6277 transitions. [2022-11-19 08:08:04,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-19 08:08:04,202 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 13 states have internal predecessors, (75), 7 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (32), 9 states have call predecessors, (32), 7 states have call successors, (32) Word has length 218 [2022-11-19 08:08:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:08:04,226 INFO L225 Difference]: With dead ends: 4432 [2022-11-19 08:08:04,226 INFO L226 Difference]: Without dead ends: 4430 [2022-11-19 08:08:04,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 384 SyntacticMatches, 5 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1426 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=440, Invalid=3698, Unknown=22, NotChecked=0, Total=4160 [2022-11-19 08:08:04,230 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 4866 mSDsluCounter, 17285 mSDsCounter, 0 mSdLazyCounter, 27729 mSolverCounterSat, 4023 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5104 SdHoareTripleChecker+Valid, 19776 SdHoareTripleChecker+Invalid, 31755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 4023 IncrementalHoareTripleChecker+Valid, 27729 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:08:04,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5104 Valid, 19776 Invalid, 31755 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [4023 Valid, 27729 Invalid, 3 Unknown, 0 Unchecked, 132.1s Time] [2022-11-19 08:08:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2022-11-19 08:08:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 4185. [2022-11-19 08:08:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4185 states, 2631 states have (on average 1.3162295705055111) internal successors, (3463), 2703 states have internal predecessors, (3463), 1194 states have call successors, (1194), 356 states have call predecessors, (1194), 356 states have return successors, (1202), 1176 states have call predecessors, (1202), 1189 states have call successors, (1202) [2022-11-19 08:08:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 5859 transitions. [2022-11-19 08:08:04,992 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 5859 transitions. Word has length 218 [2022-11-19 08:08:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:08:04,993 INFO L495 AbstractCegarLoop]: Abstraction has 4185 states and 5859 transitions. [2022-11-19 08:08:04,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.411764705882353) internal successors, (75), 13 states have internal predecessors, (75), 7 states have call successors, (34), 5 states have call predecessors, (34), 3 states have return successors, (32), 9 states have call predecessors, (32), 7 states have call successors, (32) [2022-11-19 08:08:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 5859 transitions. [2022-11-19 08:08:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-19 08:08:05,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:08:05,000 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:08:05,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:08:05,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:08:05,228 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:08:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:08:05,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1421729746, now seen corresponding path program 1 times [2022-11-19 08:08:05,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:08:05,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727196505] [2022-11-19 08:08:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:08:05,690 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:08:05,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004739087] [2022-11-19 08:08:05,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:08:05,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:08:05,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:08:05,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:08:05,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dc34694-71f4-4015-99ff-637fe6e88d76/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:08:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:08:09,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 11754 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-19 08:08:09,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:08:09,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 08:08:09,217 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1749 Int) (atomic_set_~v.offset Int)) (and (= (store |c_old(#memory_int)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_int)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_1749)) |c_#memory_int|) (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|))) is different from true [2022-11-19 08:08:09,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:08:09,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 08:08:09,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 40 [2022-11-19 08:08:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 1 not checked. [2022-11-19 08:08:10,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:08:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-19 08:08:13,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:08:13,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727196505] [2022-11-19 08:08:13,325 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:08:13,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004739087] [2022-11-19 08:08:13,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004739087] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:08:13,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1430771201] [2022-11-19 08:08:13,366 INFO L159 IcfgInterpreter]: Started Sifa with 125 locations of interest [2022-11-19 08:08:13,367 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:08:13,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:08:13,378 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:08:13,379 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:10:29,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:30,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:31,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:33,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:34,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:35,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:37,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:39,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:40,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:40,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:41,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:43,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:45,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:10:46,271 INFO L217 Elim1Store]: Index analysis took 16577 ms [2022-11-19 08:11:22,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 420 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 377 treesize of output 493 [2022-11-19 08:11:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:28,295 INFO L217 Elim1Store]: Index analysis took 1251 ms [2022-11-19 08:11:31,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 427 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 384 treesize of output 504 [2022-11-19 08:11:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:34,549 INFO L217 Elim1Store]: Index analysis took 517 ms [2022-11-19 08:11:35,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 405 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 364 treesize of output 468 [2022-11-19 08:11:38,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:38,609 INFO L217 Elim1Store]: Index analysis took 186 ms [2022-11-19 08:11:38,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 409 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 369 treesize of output 477 [2022-11-19 08:12:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:01,712 INFO L217 Elim1Store]: Index analysis took 329 ms [2022-11-19 08:12:02,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 675 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 462 treesize of output 646 [2022-11-19 08:12:11,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:12:11,855 INFO L217 Elim1Store]: Index analysis took 301 ms [2022-11-19 08:12:16,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 54 select indices, 54 select index equivalence classes, 1485 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 3491 treesize of output 2882