./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:55:55,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:55:55,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:55:55,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:55:55,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:55:55,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:55:55,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:55:55,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:55:55,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:55:55,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:55:55,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:55:55,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:55:55,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:55:55,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:55:55,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:55:55,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:55:55,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:55:56,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:55:56,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:55:56,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:55:56,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:55:56,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:55:56,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:55:56,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:55:56,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:55:56,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:55:56,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:55:56,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:55:56,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:55:56,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:55:56,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:55:56,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:55:56,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:55:56,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:55:56,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:55:56,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:55:56,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:55:56,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:55:56,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:55:56,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:55:56,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:55:56,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:55:56,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:55:56,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:55:56,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:55:56,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:55:56,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:55:56,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:55:56,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:55:56,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:55:56,064 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:55:56,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:55:56,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:55:56,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:55:56,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:55:56,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:55:56,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:55:56,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:55:56,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:55:56,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:55:56,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:55:56,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:55:56,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:55:56,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:55:56,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:55:56,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:55:56,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:55:56,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:55:56,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:55:56,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:55:56,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:55:56,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:55:56,069 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-11-18 19:55:56,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:55:56,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:55:56,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:55:56,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:55:56,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:55:56,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:55:56,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/bcf537132/f1fd7da987d940d0953c790c49bbdc86/FLAG34e213ffe [2022-11-18 19:55:57,467 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:55:57,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:55:57,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/bcf537132/f1fd7da987d940d0953c790c49bbdc86/FLAG34e213ffe [2022-11-18 19:55:57,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/bcf537132/f1fd7da987d940d0953c790c49bbdc86 [2022-11-18 19:55:57,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:55:57,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:55:57,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:55:57,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:55:57,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:55:57,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:55:57" (1/1) ... [2022-11-18 19:55:57,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c573c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:57, skipping insertion in model container [2022-11-18 19:55:57,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:55:57" (1/1) ... [2022-11-18 19:55:57,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:55:58,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:55:59,291 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-11-18 19:56:00,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:00,053 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:56:00,303 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-11-18 19:56:00,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:00,639 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:56:00,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00 WrapperNode [2022-11-18 19:56:00,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:56:00,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:00,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:56:00,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:56:00,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:00,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:00,922 INFO L138 Inliner]: procedures = 157, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2337 [2022-11-18 19:56:00,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:00,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:56:00,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:56:00,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:56:00,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:00,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:00,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:00,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:56:01,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:56:01,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:56:01,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:56:01,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (1/1) ... [2022-11-18 19:56:01,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:56:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:01,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:56:01,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:56:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:56:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-11-18 19:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-11-18 19:56:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:56:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 19:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 19:56:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:56:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 19:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 19:56:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:56:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:56:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-18 19:56:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-18 19:56:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:56:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:56:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:56:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-18 19:56:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-18 19:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 19:56:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 19:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-11-18 19:56:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-11-18 19:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:56:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:56:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:56:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 19:56:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 19:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-11-18 19:56:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-11-18 19:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-11-18 19:56:01,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-11-18 19:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 19:56:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 19:56:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:56:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:56:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:56:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:56:01,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:56:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:56:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:56:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-18 19:56:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-18 19:56:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:56:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:56:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:56:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:56:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:56:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:56:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:56:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:56:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:56:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 19:56:01,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 19:56:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:56:01,196 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 19:56:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 19:56:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:56:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:56:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-11-18 19:56:01,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-11-18 19:56:01,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:56:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 19:56:01,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 19:56:01,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-18 19:56:01,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-18 19:56:01,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 19:56:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 19:56:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:56:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:56:01,200 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:56:01,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:56:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:56:01,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:56:01,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:56:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-11-18 19:56:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-11-18 19:56:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 19:56:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 19:56:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 19:56:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 19:56:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:56:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-18 19:56:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:56:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:56:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:56:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:56:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-11-18 19:56:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-11-18 19:56:01,832 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:56:01,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:56:01,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:56:06,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:56:06,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:56:06,824 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:56:06,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:06 BoogieIcfgContainer [2022-11-18 19:56:06,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:56:06,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:56:06,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:56:06,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:56:06,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:55:57" (1/3) ... [2022-11-18 19:56:06,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca18899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:06, skipping insertion in model container [2022-11-18 19:56:06,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:00" (2/3) ... [2022-11-18 19:56:06,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca18899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:06, skipping insertion in model container [2022-11-18 19:56:06,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:06" (3/3) ... [2022-11-18 19:56:06,843 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:56:06,868 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:56:06,868 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:56:06,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:56:06,998 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@422dcbb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:56:06,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:56:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-18 19:56:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 19:56:07,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:07,032 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] [2022-11-18 19:56:07,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:07,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:07,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-11-18 19:56:07,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:07,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18695311] [2022-11-18 19:56:07,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:07,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:56:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:56:07,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:07,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18695311] [2022-11-18 19:56:07,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18695311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:07,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:07,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:56:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477900485] [2022-11-18 19:56:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:07,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:07,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:56:07,963 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:56:10,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:12,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:17,262 INFO L93 Difference]: Finished difference Result 2121 states and 3115 transitions. [2022-11-18 19:56:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:56:17,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-11-18 19:56:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:17,291 INFO L225 Difference]: With dead ends: 2121 [2022-11-18 19:56:17,291 INFO L226 Difference]: Without dead ends: 1432 [2022-11-18 19:56:17,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:56:17,306 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 1405 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 666 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:17,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 2633 Invalid, 1811 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [666 Valid, 1143 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-18 19:56:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2022-11-18 19:56:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1286. [2022-11-18 19:56:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 957 states have (on average 1.3657262277951934) internal successors, (1307), 971 states have internal predecessors, (1307), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-18 19:56:17,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1818 transitions. [2022-11-18 19:56:17,486 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1818 transitions. Word has length 45 [2022-11-18 19:56:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:17,487 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1818 transitions. [2022-11-18 19:56:17,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:56:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1818 transitions. [2022-11-18 19:56:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-18 19:56:17,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:17,493 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:17,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:56:17,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:17,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:17,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1828543170, now seen corresponding path program 1 times [2022-11-18 19:56:17,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:17,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648396816] [2022-11-18 19:56:17,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:17,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:56:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:56:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:56:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 19:56:18,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:18,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648396816] [2022-11-18 19:56:18,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648396816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:18,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:18,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:18,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906935624] [2022-11-18 19:56:18,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:18,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:18,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:18,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:18,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:18,437 INFO L87 Difference]: Start difference. First operand 1286 states and 1818 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:56:20,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:22,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:28,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:28,493 INFO L93 Difference]: Finished difference Result 4123 states and 5934 transitions. [2022-11-18 19:56:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:56:28,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-11-18 19:56:28,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:28,519 INFO L225 Difference]: With dead ends: 4123 [2022-11-18 19:56:28,519 INFO L226 Difference]: Without dead ends: 2839 [2022-11-18 19:56:28,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:56:28,529 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 1388 mSDsluCounter, 3375 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 644 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 4379 SdHoareTripleChecker+Invalid, 2520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:28,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 4379 Invalid, 2520 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [644 Valid, 1874 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-18 19:56:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2022-11-18 19:56:28,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2591. [2022-11-18 19:56:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2591 states, 1927 states have (on average 1.3642968344577062) internal successors, (2629), 1963 states have internal predecessors, (2629), 507 states have call successors, (507), 145 states have call predecessors, (507), 156 states have return successors, (561), 498 states have call predecessors, (561), 506 states have call successors, (561) [2022-11-18 19:56:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3697 transitions. [2022-11-18 19:56:28,713 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3697 transitions. Word has length 63 [2022-11-18 19:56:28,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:28,713 INFO L495 AbstractCegarLoop]: Abstraction has 2591 states and 3697 transitions. [2022-11-18 19:56:28,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:56:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3697 transitions. [2022-11-18 19:56:28,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-18 19:56:28,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:28,730 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:56:28,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:56:28,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:28,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:28,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1080085425, now seen corresponding path program 1 times [2022-11-18 19:56:28,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:28,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677799094] [2022-11-18 19:56:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:56:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:56:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:56:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:56:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:56:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:56:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:29,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677799094] [2022-11-18 19:56:29,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677799094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:29,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:29,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:29,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958729975] [2022-11-18 19:56:29,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:29,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:29,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:29,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:29,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:29,303 INFO L87 Difference]: Start difference. First operand 2591 states and 3697 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:56:31,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:33,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:35,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:38,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:40,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:42,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:47,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:47,253 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-11-18 19:56:47,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:56:47,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2022-11-18 19:56:47,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:47,293 INFO L225 Difference]: With dead ends: 7632 [2022-11-18 19:56:47,294 INFO L226 Difference]: Without dead ends: 5053 [2022-11-18 19:56:47,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:47,306 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 1341 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 850 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 2414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:47,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 3177 Invalid, 2414 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [850 Valid, 1558 Invalid, 6 Unknown, 0 Unchecked, 17.5s Time] [2022-11-18 19:56:47,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-11-18 19:56:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 4275. [2022-11-18 19:56:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 3162 states have (on average 1.3488298545224542) internal successors, (4265), 3224 states have internal predecessors, (4265), 829 states have call successors, (829), 262 states have call predecessors, (829), 283 states have return successors, (918), 816 states have call predecessors, (918), 828 states have call successors, (918) [2022-11-18 19:56:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6012 transitions. [2022-11-18 19:56:47,651 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6012 transitions. Word has length 113 [2022-11-18 19:56:47,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:47,652 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6012 transitions. [2022-11-18 19:56:47,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:56:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6012 transitions. [2022-11-18 19:56:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-18 19:56:47,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:47,663 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:47,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:56:47,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:47,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:47,665 INFO L85 PathProgramCache]: Analyzing trace with hash 265725666, now seen corresponding path program 1 times [2022-11-18 19:56:47,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:47,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393668294] [2022-11-18 19:56:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:56:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:56:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:56:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 19:56:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:56:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:56:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:56:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:56:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 19:56:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 19:56:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-18 19:56:48,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:48,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393668294] [2022-11-18 19:56:48,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393668294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:48,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:48,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:48,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901139152] [2022-11-18 19:56:48,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:48,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:48,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:48,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:48,153 INFO L87 Difference]: Start difference. First operand 4275 states and 6012 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:56:50,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:52,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:55,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:57,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:01,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:01,134 INFO L93 Difference]: Finished difference Result 10577 states and 14962 transitions. [2022-11-18 19:57:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:57:01,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-11-18 19:57:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:01,172 INFO L225 Difference]: With dead ends: 10577 [2022-11-18 19:57:01,173 INFO L226 Difference]: Without dead ends: 6318 [2022-11-18 19:57:01,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:01,188 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 842 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 401 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:01,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 4014 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1574 Invalid, 4 Unknown, 0 Unchecked, 12.6s Time] [2022-11-18 19:57:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2022-11-18 19:57:01,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 5704. [2022-11-18 19:57:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 4250 states have (on average 1.3538823529411765) internal successors, (5754), 4336 states have internal predecessors, (5754), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 387 states have return successors, (1183), 1041 states have call predecessors, (1183), 1065 states have call successors, (1183) [2022-11-18 19:57:01,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 8003 transitions. [2022-11-18 19:57:01,513 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 8003 transitions. Word has length 130 [2022-11-18 19:57:01,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:01,515 INFO L495 AbstractCegarLoop]: Abstraction has 5704 states and 8003 transitions. [2022-11-18 19:57:01,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:57:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 8003 transitions. [2022-11-18 19:57:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-18 19:57:01,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:01,529 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:01,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:57:01,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1355234686, now seen corresponding path program 1 times [2022-11-18 19:57:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649824571] [2022-11-18 19:57:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:57:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:57:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:57:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:57:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-18 19:57:02,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:02,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649824571] [2022-11-18 19:57:02,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649824571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:02,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:02,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:57:02,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169744019] [2022-11-18 19:57:02,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:02,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:57:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:02,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:57:02,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:02,769 INFO L87 Difference]: Start difference. First operand 5704 states and 8003 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:57:05,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:07,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:11,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:11,309 INFO L93 Difference]: Finished difference Result 12348 states and 17757 transitions. [2022-11-18 19:57:11,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:57:11,310 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 138 [2022-11-18 19:57:11,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:11,353 INFO L225 Difference]: With dead ends: 12348 [2022-11-18 19:57:11,354 INFO L226 Difference]: Without dead ends: 6671 [2022-11-18 19:57:11,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:11,377 INFO L413 NwaCegarLoop]: 817 mSDtfsCounter, 336 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 334 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:11,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 3981 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1499 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-18 19:57:11,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2022-11-18 19:57:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 5952. [2022-11-18 19:57:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 4396 states have (on average 1.3475887170154686) internal successors, (5924), 4500 states have internal predecessors, (5924), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 413 states have return successors, (1329), 1125 states have call predecessors, (1329), 1141 states have call successors, (1329) [2022-11-18 19:57:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8395 transitions. [2022-11-18 19:57:11,788 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8395 transitions. Word has length 138 [2022-11-18 19:57:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:11,789 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8395 transitions. [2022-11-18 19:57:11,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-18 19:57:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8395 transitions. [2022-11-18 19:57:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 19:57:11,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:11,804 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:11,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:57:11,805 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:11,805 INFO L85 PathProgramCache]: Analyzing trace with hash 324022734, now seen corresponding path program 1 times [2022-11-18 19:57:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:11,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75717620] [2022-11-18 19:57:11,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:57:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:57:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:57:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:57:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 19:57:13,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:13,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75717620] [2022-11-18 19:57:13,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75717620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:13,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:13,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:57:13,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601544146] [2022-11-18 19:57:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:13,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:57:13,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:57:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:13,315 INFO L87 Difference]: Start difference. First operand 5952 states and 8395 transitions. Second operand has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 19:57:15,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:17,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:21,427 INFO L93 Difference]: Finished difference Result 12599 states and 17881 transitions. [2022-11-18 19:57:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:57:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-11-18 19:57:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:21,475 INFO L225 Difference]: With dead ends: 12599 [2022-11-18 19:57:21,475 INFO L226 Difference]: Without dead ends: 6674 [2022-11-18 19:57:21,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:21,500 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 876 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 1670 mSolverCounterSat, 494 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1670 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:21,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 4312 Invalid, 2166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1670 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-18 19:57:21,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-18 19:57:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5952. [2022-11-18 19:57:21,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 4396 states have (on average 1.3466787989080982) internal successors, (5920), 4500 states have internal predecessors, (5920), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 413 states have return successors, (1329), 1125 states have call predecessors, (1329), 1141 states have call successors, (1329) [2022-11-18 19:57:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8391 transitions. [2022-11-18 19:57:21,937 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8391 transitions. Word has length 145 [2022-11-18 19:57:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:21,937 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8391 transitions. [2022-11-18 19:57:21,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 19:57:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8391 transitions. [2022-11-18 19:57:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-18 19:57:21,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:21,956 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:21,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:57:21,956 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:21,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:21,957 INFO L85 PathProgramCache]: Analyzing trace with hash 442464208, now seen corresponding path program 1 times [2022-11-18 19:57:21,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:21,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436124995] [2022-11-18 19:57:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:57:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:57:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:57:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:57:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 19:57:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 19:57:24,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:24,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436124995] [2022-11-18 19:57:24,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436124995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:24,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:24,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:57:24,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112246450] [2022-11-18 19:57:24,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:24,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:57:24,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:57:24,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:57:24,149 INFO L87 Difference]: Start difference. First operand 5952 states and 8391 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:57:26,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:28,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:32,268 INFO L93 Difference]: Finished difference Result 12600 states and 17877 transitions. [2022-11-18 19:57:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:57:32,269 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2022-11-18 19:57:32,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:32,304 INFO L225 Difference]: With dead ends: 12600 [2022-11-18 19:57:32,304 INFO L226 Difference]: Without dead ends: 6675 [2022-11-18 19:57:32,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:57:32,324 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 445 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 493 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 2484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:32,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 5334 Invalid, 2484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1989 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-18 19:57:32,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6675 states. [2022-11-18 19:57:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6000. [2022-11-18 19:57:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6000 states, 4432 states have (on average 1.3438628158844765) internal successors, (5956), 4532 states have internal predecessors, (5956), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 425 states have return successors, (1375), 1141 states have call predecessors, (1375), 1141 states have call successors, (1375) [2022-11-18 19:57:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 8473 transitions. [2022-11-18 19:57:32,714 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 8473 transitions. Word has length 145 [2022-11-18 19:57:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:32,715 INFO L495 AbstractCegarLoop]: Abstraction has 6000 states and 8473 transitions. [2022-11-18 19:57:32,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:57:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 8473 transitions. [2022-11-18 19:57:32,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-18 19:57:32,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:32,730 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:32,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:57:32,731 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:32,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:32,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1644094764, now seen corresponding path program 1 times [2022-11-18 19:57:32,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:32,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107967634] [2022-11-18 19:57:32,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:32,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:57:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-18 19:57:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 19:57:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:57:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:57:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-18 19:57:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-18 19:57:33,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:33,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107967634] [2022-11-18 19:57:33,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107967634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:33,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:33,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:57:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902846908] [2022-11-18 19:57:33,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:33,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:57:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:33,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:57:33,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:57:33,816 INFO L87 Difference]: Start difference. First operand 6000 states and 8473 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:57:36,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:38,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:40,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:43,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:43,947 INFO L93 Difference]: Finished difference Result 12649 states and 17952 transitions. [2022-11-18 19:57:43,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:43,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2022-11-18 19:57:43,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:43,979 INFO L225 Difference]: With dead ends: 12649 [2022-11-18 19:57:43,979 INFO L226 Difference]: Without dead ends: 6657 [2022-11-18 19:57:43,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:43,998 INFO L413 NwaCegarLoop]: 817 mSDtfsCounter, 447 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 495 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:43,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 3660 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1441 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-11-18 19:57:44,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2022-11-18 19:57:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 6009. [2022-11-18 19:57:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6009 states, 4441 states have (on average 1.343165953614051) internal successors, (5965), 4541 states have internal predecessors, (5965), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 425 states have return successors, (1375), 1141 states have call predecessors, (1375), 1141 states have call successors, (1375) [2022-11-18 19:57:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 8482 transitions. [2022-11-18 19:57:44,321 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 8482 transitions. Word has length 151 [2022-11-18 19:57:44,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:44,322 INFO L495 AbstractCegarLoop]: Abstraction has 6009 states and 8482 transitions. [2022-11-18 19:57:44,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:57:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 8482 transitions. [2022-11-18 19:57:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-18 19:57:44,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:44,336 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:44,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:57:44,337 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:44,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:44,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1976096216, now seen corresponding path program 1 times [2022-11-18 19:57:44,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:44,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921618378] [2022-11-18 19:57:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:44,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:57:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:57:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:57:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 19:57:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 19:57:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-18 19:57:45,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:45,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921618378] [2022-11-18 19:57:45,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921618378] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:45,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236032565] [2022-11-18 19:57:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:45,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:45,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:45,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:45,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:57:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:46,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 19:57:46,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 19:57:46,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:57:46,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236032565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:46,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:57:46,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-18 19:57:46,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300480406] [2022-11-18 19:57:46,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:46,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:46,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:46,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:46,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:46,553 INFO L87 Difference]: Start difference. First operand 6009 states and 8482 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:57:46,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:46,920 INFO L93 Difference]: Finished difference Result 9166 states and 12904 transitions. [2022-11-18 19:57:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:57:46,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2022-11-18 19:57:46,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:46,938 INFO L225 Difference]: With dead ends: 9166 [2022-11-18 19:57:46,938 INFO L226 Difference]: Without dead ends: 3175 [2022-11-18 19:57:46,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:57:46,954 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:46,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2022-11-18 19:57:47,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3079. [2022-11-18 19:57:47,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3413777972795085) internal successors, (3057), 2329 states have internal predecessors, (3057), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-11-18 19:57:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4329 transitions. [2022-11-18 19:57:47,119 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4329 transitions. Word has length 152 [2022-11-18 19:57:47,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:47,120 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4329 transitions. [2022-11-18 19:57:47,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:57:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4329 transitions. [2022-11-18 19:57:47,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 19:57:47,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:47,129 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:47,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:47,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 19:57:47,346 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:47,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1367720979, now seen corresponding path program 1 times [2022-11-18 19:57:47,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:47,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105896849] [2022-11-18 19:57:47,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:47,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:57:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:57:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:57:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:57:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:57:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:57:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-18 19:57:48,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:48,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105896849] [2022-11-18 19:57:48,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105896849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:48,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:48,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:57:48,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020004932] [2022-11-18 19:57:48,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:48,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:57:48,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:48,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:57:48,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:48,895 INFO L87 Difference]: Start difference. First operand 3079 states and 4329 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 19:57:51,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:54,931 INFO L93 Difference]: Finished difference Result 6449 states and 9117 transitions. [2022-11-18 19:57:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:57:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 158 [2022-11-18 19:57:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:54,946 INFO L225 Difference]: With dead ends: 6449 [2022-11-18 19:57:54,946 INFO L226 Difference]: Without dead ends: 3413 [2022-11-18 19:57:54,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:54,954 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 748 mSDsluCounter, 3636 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 321 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 4481 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:54,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 4481 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1728 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 19:57:54,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2022-11-18 19:57:55,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3079. [2022-11-18 19:57:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3405002193944713) internal successors, (3055), 2329 states have internal predecessors, (3055), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-11-18 19:57:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4327 transitions. [2022-11-18 19:57:55,119 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4327 transitions. Word has length 158 [2022-11-18 19:57:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:55,119 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4327 transitions. [2022-11-18 19:57:55,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 19:57:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4327 transitions. [2022-11-18 19:57:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 19:57:55,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:55,130 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:55,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:57:55,131 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:55,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash -538682287, now seen corresponding path program 1 times [2022-11-18 19:57:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:55,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419050271] [2022-11-18 19:57:55,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:57:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:57:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:57:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:57:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:57:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:57:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:57:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-18 19:57:56,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:56,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419050271] [2022-11-18 19:57:56,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419050271] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:56,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669303522] [2022-11-18 19:57:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:56,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:56,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:56,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:57:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:58,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 19:57:58,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:58,970 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 19:57:58,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:57:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-18 19:57:59,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669303522] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:57:59,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:57:59,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-18 19:57:59,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106408288] [2022-11-18 19:57:59,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:57:59,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:57:59,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:59,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:57:59,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:57:59,190 INFO L87 Difference]: Start difference. First operand 3079 states and 4327 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:58:01,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:03,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:05,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:11,020 INFO L93 Difference]: Finished difference Result 6479 states and 9155 transitions. [2022-11-18 19:58:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:58:11,021 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 158 [2022-11-18 19:58:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:11,034 INFO L225 Difference]: With dead ends: 6479 [2022-11-18 19:58:11,034 INFO L226 Difference]: Without dead ends: 3415 [2022-11-18 19:58:11,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:58:11,041 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 461 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 481 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 3030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:11,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 6667 Invalid, 3030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 2546 Invalid, 3 Unknown, 0 Unchecked, 11.2s Time] [2022-11-18 19:58:11,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-11-18 19:58:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3086. [2022-11-18 19:58:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2286 states have (on average 1.3394575678040246) internal successors, (3062), 2336 states have internal predecessors, (3062), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-11-18 19:58:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4334 transitions. [2022-11-18 19:58:11,214 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4334 transitions. Word has length 158 [2022-11-18 19:58:11,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:11,214 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4334 transitions. [2022-11-18 19:58:11,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-18 19:58:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4334 transitions. [2022-11-18 19:58:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 19:58:11,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:11,224 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:11,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:11,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:11,440 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:11,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:11,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 2 times [2022-11-18 19:58:11,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:11,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614914261] [2022-11-18 19:58:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:11,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:58:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:58:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:58:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:58:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:58:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:58:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:58:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 19:58:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 19:58:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:58:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-18 19:58:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:18,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614914261] [2022-11-18 19:58:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614914261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:18,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-11-18 19:58:18,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838808982] [2022-11-18 19:58:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 19:58:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:18,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 19:58:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:58:18,431 INFO L87 Difference]: Start difference. First operand 3086 states and 4334 transitions. Second operand has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 19:58:21,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:27,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:27,880 INFO L93 Difference]: Finished difference Result 6457 states and 9213 transitions. [2022-11-18 19:58:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:58:27,881 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-11-18 19:58:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:27,897 INFO L225 Difference]: With dead ends: 6457 [2022-11-18 19:58:27,898 INFO L226 Difference]: Without dead ends: 3417 [2022-11-18 19:58:27,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-11-18 19:58:27,908 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 454 mSDsluCounter, 9831 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 470 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 10677 SdHoareTripleChecker+Invalid, 4434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:27,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 10677 Invalid, 4434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [470 Valid, 3963 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-18 19:58:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-11-18 19:58:28,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3098. [2022-11-18 19:58:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2297 states have (on average 1.3352198519808445) internal successors, (3067), 2342 states have internal predecessors, (3067), 578 states have call successors, (578), 188 states have call predecessors, (578), 222 states have return successors, (698), 583 states have call predecessors, (698), 577 states have call successors, (698) [2022-11-18 19:58:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4343 transitions. [2022-11-18 19:58:28,085 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4343 transitions. Word has length 161 [2022-11-18 19:58:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:28,086 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 4343 transitions. [2022-11-18 19:58:28,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 19:58:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4343 transitions. [2022-11-18 19:58:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 19:58:28,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:28,095 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:28,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:58:28,096 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:28,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1195665736, now seen corresponding path program 1 times [2022-11-18 19:58:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228591439] [2022-11-18 19:58:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:58:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:58:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:58:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:58:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:58:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:58:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:58:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:58:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:58:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:58:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:58:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 19:58:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:58:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-18 19:58:28,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:28,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228591439] [2022-11-18 19:58:28,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228591439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:28,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:28,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:58:28,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234734428] [2022-11-18 19:58:28,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:28,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:28,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:28,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:28,606 INFO L87 Difference]: Start difference. First operand 3098 states and 4343 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 19:58:30,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:32,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:36,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:38,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:40,015 INFO L93 Difference]: Finished difference Result 7298 states and 10244 transitions. [2022-11-18 19:58:40,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:58:40,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-11-18 19:58:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:40,035 INFO L225 Difference]: With dead ends: 7298 [2022-11-18 19:58:40,035 INFO L226 Difference]: Without dead ends: 4246 [2022-11-18 19:58:40,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:58:40,045 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 981 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 450 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 2599 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:40,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 2599 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1022 Invalid, 4 Unknown, 0 Unchecked, 11.1s Time] [2022-11-18 19:58:40,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4246 states. [2022-11-18 19:58:40,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4246 to 3955. [2022-11-18 19:58:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 2955 states have (on average 1.3367174280879865) internal successors, (3950), 3010 states have internal predecessors, (3950), 704 states have call successors, (704), 248 states have call predecessors, (704), 295 states have return successors, (861), 714 states have call predecessors, (861), 703 states have call successors, (861) [2022-11-18 19:58:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5515 transitions. [2022-11-18 19:58:40,277 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5515 transitions. Word has length 172 [2022-11-18 19:58:40,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:40,278 INFO L495 AbstractCegarLoop]: Abstraction has 3955 states and 5515 transitions. [2022-11-18 19:58:40,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 19:58:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5515 transitions. [2022-11-18 19:58:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-18 19:58:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:40,287 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:40,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:58:40,287 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-11-18 19:58:40,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:40,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257066002] [2022-11-18 19:58:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:58:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:58:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:58:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 19:58:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 19:58:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:58:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:58:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:58:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 19:58:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:58:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 19:58:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:58:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 19:58:46,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:46,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257066002] [2022-11-18 19:58:46,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257066002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:46,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:46,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-18 19:58:46,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654726033] [2022-11-18 19:58:46,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:46,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 19:58:46,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:46,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 19:58:46,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:58:46,992 INFO L87 Difference]: Start difference. First operand 3955 states and 5515 transitions. Second operand has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-18 19:58:49,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:51,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:53,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:55,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:03,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:03,355 INFO L93 Difference]: Finished difference Result 8258 states and 11688 transitions. [2022-11-18 19:59:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:59:03,355 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) Word has length 169 [2022-11-18 19:59:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:03,374 INFO L225 Difference]: With dead ends: 8258 [2022-11-18 19:59:03,374 INFO L226 Difference]: Without dead ends: 4349 [2022-11-18 19:59:03,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:59:03,387 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 231 mSDsluCounter, 9852 mSDsCounter, 0 mSdLazyCounter, 4263 mSolverCounterSat, 168 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 10688 SdHoareTripleChecker+Invalid, 4435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 4263 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:03,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 10688 Invalid, 4435 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [168 Valid, 4263 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2022-11-18 19:59:03,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-18 19:59:03,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 3968. [2022-11-18 19:59:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 2966 states have (on average 1.3341200269723534) internal successors, (3957), 3018 states have internal predecessors, (3957), 704 states have call successors, (704), 248 states have call predecessors, (704), 297 states have return successors, (864), 719 states have call predecessors, (864), 703 states have call successors, (864) [2022-11-18 19:59:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5525 transitions. [2022-11-18 19:59:03,625 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5525 transitions. Word has length 169 [2022-11-18 19:59:03,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:03,626 INFO L495 AbstractCegarLoop]: Abstraction has 3968 states and 5525 transitions. [2022-11-18 19:59:03,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-18 19:59:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5525 transitions. [2022-11-18 19:59:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 19:59:03,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:03,688 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:03,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:59:03,688 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:03,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:03,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-11-18 19:59:03,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:59:03,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831157417] [2022-11-18 19:59:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:59:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:59:04,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:59:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:59:05,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:59:05,435 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:59:05,436 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:59:05,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:59:05,442 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:05,446 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:59:05,495 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 19:59:05,520 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,520 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,521 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,521 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,522 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,522 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,523 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,523 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,524 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,524 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:59:05,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:59:05 BoogieIcfgContainer [2022-11-18 19:59:05,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:59:05,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:59:05,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:59:05,807 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:59:05,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:06" (3/4) ... [2022-11-18 19:59:05,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:59:05,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:59:05,811 INFO L158 Benchmark]: Toolchain (without parser) took 187869.33ms. Allocated memory was 90.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 46.8MB in the beginning and 1.0GB in the end (delta: -974.5MB). Peak memory consumption was 175.6MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,812 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:59:05,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2697.57ms. Allocated memory was 90.2MB in the beginning and 205.5MB in the end (delta: 115.3MB). Free memory was 46.6MB in the beginning and 107.7MB in the end (delta: -61.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 280.11ms. Allocated memory is still 205.5MB. Free memory was 107.7MB in the beginning and 140.0MB in the end (delta: -32.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,813 INFO L158 Benchmark]: Boogie Preprocessor took 177.56ms. Allocated memory is still 205.5MB. Free memory was 140.0MB in the beginning and 124.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,813 INFO L158 Benchmark]: RCFGBuilder took 5725.54ms. Allocated memory was 205.5MB in the beginning and 341.8MB in the end (delta: 136.3MB). Free memory was 124.3MB in the beginning and 224.4MB in the end (delta: -100.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,814 INFO L158 Benchmark]: TraceAbstraction took 178975.91ms. Allocated memory was 341.8MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 224.4MB in the beginning and 1.0GB in the end (delta: -798.0MB). Peak memory consumption was 812.6MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,816 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:59:05,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 44.8MB in the beginning and 44.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2697.57ms. Allocated memory was 90.2MB in the beginning and 205.5MB in the end (delta: 115.3MB). Free memory was 46.6MB in the beginning and 107.7MB in the end (delta: -61.1MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 280.11ms. Allocated memory is still 205.5MB. Free memory was 107.7MB in the beginning and 140.0MB in the end (delta: -32.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.56ms. Allocated memory is still 205.5MB. Free memory was 140.0MB in the beginning and 124.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5725.54ms. Allocated memory was 205.5MB in the beginning and 341.8MB in the end (delta: 136.3MB). Free memory was 124.3MB in the beginning and 224.4MB in the end (delta: -100.1MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * TraceAbstraction took 178975.91ms. Allocated memory was 341.8MB in the beginning and 1.2GB in the end (delta: 897.6MB). Free memory was 224.4MB in the beginning and 1.0GB in the end (delta: -798.0MB). Peak memory consumption was 812.6MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 1.2GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7323]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 8887, overapproximation of bitwiseAnd at line 8897. Possible FailurePath: [L8349-L8355] static struct usb_driver mwifiex_usb_driver = {"mwifiex_usb", & mwifiex_usb_probe, & mwifiex_usb_disconnect, 0, & mwifiex_usb_suspend, & mwifiex_usb_resume, 0, 0, 0, (struct usb_device_id const *)(& mwifiex_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U}; [L9241] Element set_impl[15] ; [L7346] int LDV_IN_INTERRUPT = 1; [L9376] Set LDV_SKBS ; [L7528] struct usb_device_id const __mod_usb__mwifiex_usb_table_device_table ; [L7353] struct sk_buff *usb_ops_group1 ; [L7517-L7527] static struct usb_device_id mwifiex_usb_table[5U] = { {3U, 4742U, 8259U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8260U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}, {3U, 4742U, 8261U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8262U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}}; [L7350] struct mwifiex_adapter *usb_ops_group0 ; [L7514] static u8 user_rmmod ; [L8920] int ldv_retval_0 ; [L9242] int last_index = 0; [L8922] int ldv_retval_1 ; [L7349] int ref_cnt ; [L8927] int ldv_retval_2 ; [L8926] int ldv_retval_3 ; [L8921] int ldv_retval_4 ; [L7516] static struct semaphore add_remove_card_sem ; [L7347] struct usb_interface *mwifiex_usb_driver_group1 ; [L7348] int ldv_state_variable_2 ; [L7354] int ldv_state_variable_0 ; [L7351] int ldv_state_variable_1 ; [L7352] int usb_counter ; [L8862-L8866] static struct mwifiex_if_ops usb_ops = {0, 0, 0, 0, & mwifiex_register_dev, & mwifiex_unregister_dev, 0, 0, 0, & mwifiex_usb_host_to_card, & mwifiex_pm_wakeup_card, & mwifiex_pm_wakeup_card_complete, 0, 0, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_data_complete, 0, & mwifiex_usb_dnld_fw, 0, 0, 0}; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8951] u8 ldvarg1 ; [L8952] u8 tmp ; [L8953] struct mwifiex_tx_param *ldvarg0 ; [L8954] void *tmp___0 ; [L8955] struct mwifiex_fw_image *ldvarg2 ; [L8956] void *tmp___1 ; [L8957] struct usb_device_id *ldvarg4 ; [L8958] void *tmp___2 ; [L8959] pm_message_t ldvarg3 ; [L8960] int tmp___3 ; [L8961] int tmp___4 ; [L8962] int tmp___5 ; [L8963] int tmp___6 ; [L8965] tmp = __VERIFIER_nondet_u8() [L8966] ldvarg1 = tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=2, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=4, tmp___0=-2, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=2, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] tmp___0 = ldv_zalloc(4UL) [L8968] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=32, tmp___0=-3, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] tmp___1 = ldv_zalloc(32UL) [L8970] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=32, tmp___0=-4, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] tmp___2 = ldv_zalloc(32UL) [L8972] ldvarg4 = (struct usb_device_id *)tmp___2 [L8973] CALL ldv_initialize() [L9395] CALL ldv_set_init(LDV_SKBS) [L9247] set = set_impl [L9248] last_index = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={164:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9395] RET ldv_set_init(LDV_SKBS) [L8973] RET ldv_initialize() [L8974] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={181:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8975] ldv_state_variable_1 = 0 [L8976] ref_cnt = 0 [L8977] ldv_state_variable_0 = 1 [L8978] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: [L9068] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9069] COND TRUE ldv_state_variable_0 == 1 [L9070] CALL, EXPR mwifiex_usb_init_module() [L8869] int ret ; [L8870] struct _ddebug descriptor ; [L8871] long tmp ; [L8872] struct _ddebug descriptor___0 ; [L8873] long tmp___0 ; [L8875] descriptor.modname = "mwifiex_usb" [L8876] descriptor.function = "mwifiex_usb_init_module" [L8877] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8878] descriptor.format = "Marvell USB8797 Driver\n" [L8879] descriptor.lineno = 1046U [L8880] descriptor.flags = 0U [L8881] EXPR descriptor.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor.flags=0, descriptor___0={182:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor.flags=0, descriptor___0={182:0}, last_index=0, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8882] COND FALSE !(tmp != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor___0={182:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8886] CALL sema_init(& add_remove_card_sem, 1) [L7359] struct lock_class_key __key ; [L7360] struct semaphore __constr_expr_0 ; [L7362] __constr_expr_0.lock.raw_lock.ldv_1452.head_tail = 0U [L7363] __constr_expr_0.lock.magic = 3735899821U [L7364] __constr_expr_0.lock.owner_cpu = 4294967295U [L7365] __constr_expr_0.lock.owner = (void *)-1 [L7366] __constr_expr_0.lock.dep_map.key = 0 [L7367] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L7368] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L7369] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L7370] __constr_expr_0.lock.dep_map.cpu = 0 [L7371] __constr_expr_0.lock.dep_map.ip = 0UL [L7372] __constr_expr_0.count = (unsigned int )val [L7373] __constr_expr_0.wait_list.next = & sem->wait_list [L7374] __constr_expr_0.wait_list.prev = & sem->wait_list [L7375] *sem = __constr_expr_0 [L7376] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L7377] return; [L7377] return; VAL [\old(val)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, sem={166:0}, sem={166:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0, val=1] [L8886] RET sema_init(& add_remove_card_sem, 1) [L8887] CALL, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L9221] ldv_func_ret_type ldv_func_res ; [L9222] int tmp ; [L9224] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9571] return __VERIFIER_nondet_int(); [L9224] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9224] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9225] ldv_func_res = tmp [L9226] ldv_state_variable_2 = 1 [L9227] usb_counter = 0 [L9228] CALL ldv_usb_driver_2() [L8930] void *tmp ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=1560, tmp___0=-5, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1560UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] tmp = ldv_zalloc(1560UL) [L8933] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9228] RET ldv_usb_driver_2() [L9229] return (ldv_func_res); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, ldv_func_arg1={163:0}, ldv_func_arg1={163:0}, ldv_func_arg2={4294967354:4294967321}, ldv_func_arg2={4294967354:4294967321}, ldv_func_arg3={156:0}, ldv_func_arg3={156:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8887] RET, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8887] ret = ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8888] COND FALSE !(ret != 0) [L8891] descriptor___0.modname = "mwifiex_usb" [L8892] descriptor___0.function = "mwifiex_usb_init_module" [L8893] descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8894] descriptor___0.format = "info: Driver registered successfully!\n" [L8895] descriptor___0.lineno = 1054U [L8896] descriptor___0.flags = 0U [L8897] EXPR descriptor___0.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor___0={182:0}, descriptor___0.flags=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=0, set_impl={164:0}, tmp=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor___0={182:0}, descriptor___0.flags=0, last_index=0, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=0, set_impl={164:0}, tmp=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8898] COND FALSE !(tmp___0 != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, descriptor={183:0}, descriptor___0={182:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=0, set_impl={164:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8903] return (ret); [L8903] return (ret); [L8903] return (ret); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=0, set_impl={164:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9070] RET, EXPR mwifiex_usb_init_module() [L9070] ldv_retval_0 = mwifiex_usb_init_module() [L9071] COND TRUE ldv_retval_0 == 0 [L9072] ldv_state_variable_0 = 3 [L9073] ldv_state_variable_1 = 1 [L9074] CALL ldv_initialize_mwifiex_if_ops_1() [L8939] void *tmp ; [L8940] void *tmp___0 ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] CALL, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=6864, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=6864, tmp___0=-6, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] RET, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(6864UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] tmp = ldv_zalloc(6864UL) [L8943] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=232, tmp___0=-7, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(232UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] tmp___0 = ldv_zalloc(232UL) [L8945] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9074] RET ldv_initialize_mwifiex_if_ops_1() [L9077] COND FALSE !(ldv_retval_0 != 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8983] COND TRUE ldv_state_variable_1 != 0 [L8984] tmp___4 = __VERIFIER_nondet_int() [L8986] case 0: [L8993] case 1: [L9000] case 2: [L9007] case 3: [L9014] case 4: [L9021] case 5: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9022] COND TRUE ldv_state_variable_1 == 1 [L9023] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8796] int ret ; [L8797] struct usb_card_rec *card ; [L8799] EXPR adapter->card [L8799] card = (struct usb_card_rec *)adapter->card [L8800] EXPR card->usb_boot_state VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, card->usb_boot_state=173, fw={0:0}, fw={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8800] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8812] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8393] struct usb_card_rec *card ; [L8394] int i ; [L8395] int tmp ; [L8396] int tmp___0 ; [L8398] EXPR adapter->card [L8398] card = (struct usb_card_rec *)adapter->card [L8399] card->rx_cmd.adapter = adapter [L8400] EXPR card->rx_cmd_ep [L8400] card->rx_cmd.ep = card->rx_cmd_ep [L8401] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7271] void *p ; [L7272] void *tmp ; [L7273] int tmp___0 ; [L7275] tmp___0 = __VERIFIER_nondet_int() [L7276] COND FALSE !(tmp___0 != 0) [L7279] tmp = malloc(size) [L7280] p = tmp VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-36893488147419103231:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-36893488147419103231:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7282] return (p); VAL [\old(size)=184, \result={-36893488147419103231:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-36893488147419103231:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, arg0=0, arg1=208, last_index=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-36893488147419103231:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] return ldv_malloc(sizeof(struct urb)); [L8401] RET, EXPR usb_alloc_urb(0, 208U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_alloc_urb(0, 208U)={-36893488147419103231:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8401] card->rx_cmd.urb = usb_alloc_urb(0, 208U) [L8402] EXPR card->rx_cmd.urb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, card->rx_cmd.urb={-36893488147419103231:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8402] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8407] CALL, EXPR ldv_dev_alloc_skb_14(2048U) VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND FALSE !(tmp___0 != 0) [L7296] EXPR, FCALL calloc(1UL, size) [L7296] tmp = calloc(1UL, size) [L7297] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={164:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={164:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7299] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={164:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND FALSE !(! skb) [L9387] CALL ldv_set_add(LDV_SKBS, skb) [L9255] int i ; [L9257] i = 0 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9258] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9259] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9269] COND TRUE last_index < 15 [L9270] set_impl[last_index] = e [L9271] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9387] RET ldv_set_add(LDV_SKBS, skb) [L9388] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=0, \old(length)=2048, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={-18446744073709551615:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] RET, EXPR ldv_dev_alloc_skb_14(2048U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, last_index=1, ldv_dev_alloc_skb_14(2048U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] card->rx_cmd.skb = ldv_dev_alloc_skb_14(2048U) [L8408] EXPR card->rx_cmd.skb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, card->rx_cmd.skb={-18446744073709551615:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8408] COND FALSE !((unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0)) [L8413] CALL, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, ctx={0:153}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7841] struct mwifiex_adapter *adapter ; [L7842] struct usb_card_rec *card ; [L7843] unsigned int tmp ; [L7844] int tmp___0 ; [L7846] EXPR ctx->adapter [L7846] adapter = ctx->adapter [L7847] EXPR adapter->card [L7847] card = (struct usb_card_rec *)adapter->card [L7848] EXPR card->rx_cmd_ep [L7848] EXPR ctx->ep VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, add_remove_card_sem={166:0}, card={4294967351:-34}, card->rx_cmd_ep=170, ctx={0:153}, ctx={0:153}, ctx->ep=171, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=2048, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7848] COND TRUE (int )card->rx_cmd_ep != (int )ctx->ep [L7849] CALL, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(last_index)=1, \old(size)=248, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=248, tmp___0=-11, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND TRUE ! skb [L9385] return ((void *)0); VAL [\old(last_index)=1, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={0:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=1, \old(length)=2048, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp={0:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] RET, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, add_remove_card_sem={166:0}, card={4294967351:-34}, ctx={0:153}, ctx={0:153}, last_index=1, ldv_dev_alloc_skb_14((unsigned int )size)={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=2048, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] ctx->skb = ldv_dev_alloc_skb_14((unsigned int )size) [L7850] EXPR ctx->skb VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, add_remove_card_sem={166:0}, card={4294967351:-34}, ctx={0:153}, ctx={0:153}, ctx->skb={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=2048, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7850] COND TRUE (unsigned long )ctx->skb == (unsigned long )((struct sk_buff *)0) [L7851] adapter->dev [L7853] return (-12); VAL [\old(last_index)=1, \old(size)=2048, \result=-12, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, add_remove_card_sem={166:0}, card={4294967351:-34}, ctx={0:153}, ctx={0:153}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, size=2048, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] RET, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048)=-12, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] tmp = mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) [L8414] COND TRUE tmp != 0 [L8415] return (-1); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=-12, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8812] RET, EXPR mwifiex_usb_rx_init(adapter) [L8812] ret = mwifiex_usb_rx_init(adapter) [L8813] COND FALSE !(ret == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=-1, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8817] return (ret); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={0:128}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, ret=-1, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9023] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L9024] ldv_state_variable_1 = 1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9061] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L9062] CALL mwifiex_usb_cleanup_module() [L8908] int tmp ; [L8910] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9477] return __VERIFIER_nondet_int(); [L8910] RET, EXPR down_interruptible(& add_remove_card_sem) [L8910] tmp = down_interruptible(& add_remove_card_sem) [L8911] COND FALSE !(tmp == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=1, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8915] user_rmmod = 1U [L8916] CALL ldv_usb_deregister_18(& mwifiex_usb_driver) [L9235] FCALL usb_deregister(arg) [L9236] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, arg={163:0}, arg={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L8916] RET ldv_usb_deregister_18(& mwifiex_usb_driver) [L9062] RET mwifiex_usb_cleanup_module() [L9063] ldv_state_variable_0 = 2 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={181:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9164] CALL ldv_check_final_state() [L9446] int tmp___7 ; [L9448] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L9337] return (last_index == 0); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9448] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L9448] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L9449] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, tmp___7=0, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9451] CALL ldv_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L7323] reach_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967354:4294967321}, add_remove_card_sem={166:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={165:0}, ref_cnt=0, set_impl={164:0}, usb_counter=0, usb_ops={167:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 679 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 178.5s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 141.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 10850 SdHoareTripleChecker+Valid, 134.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9979 mSDsluCounter, 70356 SdHoareTripleChecker+Invalid, 128.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57799 mSDsCounter, 6272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26288 IncrementalHoareTripleChecker+Invalid, 32596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6272 mSolverCounterUnsat, 12557 mSDtfsCounter, 26288 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 828 SyntacticMatches, 1 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6009occurred in iteration=8, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 6300 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 2396 NumberOfCodeBlocks, 2396 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2351 ConstructedInterpolants, 0 QuantifiedInterpolants, 4866 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4856 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 1432/1436 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 19:59:05,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:59:08,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:59:08,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:59:08,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:59:08,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:59:08,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:59:08,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:59:08,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:59:08,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:59:08,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:59:08,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:59:08,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:59:08,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:59:08,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:59:08,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:59:08,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:59:08,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:59:08,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:59:08,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:59:08,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:59:08,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:59:08,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:59:08,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:59:08,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:59:08,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:59:08,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:59:08,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:59:08,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:59:08,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:59:08,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:59:08,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:59:08,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:59:08,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:59:08,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:59:08,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:59:08,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:59:08,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:59:08,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:59:08,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:59:08,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:59:08,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:59:08,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:59:08,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:59:08,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:59:08,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:59:08,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:59:08,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:59:08,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:59:08,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:59:08,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:59:08,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:59:08,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:59:08,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:59:08,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:59:08,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:59:08,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:59:08,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:59:08,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:59:08,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:59:08,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:59:08,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:59:08,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:59:08,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:59:08,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:59:08,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:59:08,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:59:08,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:59:08,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:59:08,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:59:08,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:59:08,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:59:08,352 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:59:08,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:59:08,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:59:08,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:59:08,354 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-11-18 19:59:08,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:59:08,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:59:08,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:59:08,790 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:59:08,791 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:59:08,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:08,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/cc9b0d9f6/0fcc73b2f18b40289bd5f813b2d3badf/FLAGfa088716e [2022-11-18 19:59:09,704 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:59:09,705 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:09,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/cc9b0d9f6/0fcc73b2f18b40289bd5f813b2d3badf/FLAGfa088716e [2022-11-18 19:59:09,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/data/cc9b0d9f6/0fcc73b2f18b40289bd5f813b2d3badf [2022-11-18 19:59:09,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:59:09,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:59:09,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:59:09,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:59:09,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:59:09,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:59:09" (1/1) ... [2022-11-18 19:59:09,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@845fd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:09, skipping insertion in model container [2022-11-18 19:59:09,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:59:09" (1/1) ... [2022-11-18 19:59:09,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:59:09,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:59:11,021 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-11-18 19:59:11,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:11,730 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 19:59:11,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:59:11,999 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-11-18 19:59:12,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:12,236 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:59:12,450 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_e46575c7-e59d-4977-b62d-7784cb1d5d59/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-11-18 19:59:12,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:59:12,867 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:59:12,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12 WrapperNode [2022-11-18 19:59:12,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:59:12,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:59:12,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:59:12,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:59:12,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:12,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,127 INFO L138 Inliner]: procedures = 172, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2247 [2022-11-18 19:59:13,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:59:13,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:59:13,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:59:13,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:59:13,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:59:13,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:59:13,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:59:13,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:59:13,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (1/1) ... [2022-11-18 19:59:13,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:59:13,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:59:13,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:59:13,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:59:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:59:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:59:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-11-18 19:59:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-11-18 19:59:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 19:59:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 19:59:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 19:59:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-18 19:59:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-18 19:59:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 19:59:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 19:59:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 19:59:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 19:59:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:59:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 19:59:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:59:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-18 19:59:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-18 19:59:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:59:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:59:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-18 19:59:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-18 19:59:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-18 19:59:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-18 19:59:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-11-18 19:59:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-11-18 19:59:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:59:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:59:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:59:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:59:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:59:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:59:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 19:59:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 19:59:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-11-18 19:59:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-11-18 19:59:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-11-18 19:59:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-11-18 19:59:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 19:59:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 19:59:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:59:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:59:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 19:59:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 19:59:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:59:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:59:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 19:59:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-18 19:59:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-18 19:59:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 19:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 19:59:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 19:59:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:59:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:59:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:59:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:59:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:59:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 19:59:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 19:59:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:59:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 19:59:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 19:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 19:59:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 19:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 19:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-11-18 19:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-11-18 19:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:59:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 19:59:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 19:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-18 19:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-18 19:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 19:59:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 19:59:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 19:59:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 19:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 19:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 19:59:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 19:59:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 19:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 19:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-18 19:59:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:59:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:59:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 19:59:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 19:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 19:59:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-11-18 19:59:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-11-18 19:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-18 19:59:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-18 19:59:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 19:59:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 19:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-18 19:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:59:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:59:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:59:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:59:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-11-18 19:59:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-11-18 19:59:14,327 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:59:14,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:59:14,502 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:59:32,897 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:59:32,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:59:32,913 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:59:32,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:32 BoogieIcfgContainer [2022-11-18 19:59:32,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:59:32,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:59:32,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:59:32,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:59:32,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:59:09" (1/3) ... [2022-11-18 19:59:32,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a873d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:32, skipping insertion in model container [2022-11-18 19:59:32,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:59:12" (2/3) ... [2022-11-18 19:59:32,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a873d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:59:32, skipping insertion in model container [2022-11-18 19:59:32,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:59:32" (3/3) ... [2022-11-18 19:59:32,926 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-11-18 19:59:32,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:59:32,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:59:33,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:59:33,026 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72b0b44a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:59:33,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:59:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-18 19:59:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-18 19:59:33,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:33,045 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] [2022-11-18 19:59:33,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:33,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:33,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-11-18 19:59:33,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:33,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742744083] [2022-11-18 19:59:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:33,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:33,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:33,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 19:59:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:33,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:59:33,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:59:33,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:33,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:33,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742744083] [2022-11-18 19:59:33,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742744083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:33,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:33,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:59:33,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964741102] [2022-11-18 19:59:33,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:33,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:59:33,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:34,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:59:34,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:59:34,040 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:59:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:34,444 INFO L93 Difference]: Finished difference Result 1354 states and 1960 transitions. [2022-11-18 19:59:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:59:34,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-11-18 19:59:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:34,474 INFO L225 Difference]: With dead ends: 1354 [2022-11-18 19:59:34,475 INFO L226 Difference]: Without dead ends: 668 [2022-11-18 19:59:34,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:34,492 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 2 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:34,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2853 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:59:34,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-11-18 19:59:34,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2022-11-18 19:59:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 498 states have (on average 1.359437751004016) internal successors, (677), 505 states have internal predecessors, (677), 133 states have call successors, (133), 37 states have call predecessors, (133), 36 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-18 19:59:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 942 transitions. [2022-11-18 19:59:34,625 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 942 transitions. Word has length 45 [2022-11-18 19:59:34,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:34,626 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 942 transitions. [2022-11-18 19:59:34,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:59:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 942 transitions. [2022-11-18 19:59:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 19:59:34,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:34,637 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] [2022-11-18 19:59:34,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:34,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:34,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:34,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1712559836, now seen corresponding path program 1 times [2022-11-18 19:59:34,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:34,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949183334] [2022-11-18 19:59:34,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:34,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:34,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:34,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:34,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 19:59:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:35,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:35,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:59:35,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:59:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:59:36,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:36,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949183334] [2022-11-18 19:59:36,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949183334] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:59:36,333 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:59:36,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 19:59:36,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452198794] [2022-11-18 19:59:36,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:59:36,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:59:36,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:59:36,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:59:36,336 INFO L87 Difference]: Start difference. First operand 668 states and 942 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:59:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:37,136 INFO L93 Difference]: Finished difference Result 1336 states and 1886 transitions. [2022-11-18 19:59:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:59:37,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2022-11-18 19:59:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:37,145 INFO L225 Difference]: With dead ends: 1336 [2022-11-18 19:59:37,145 INFO L226 Difference]: Without dead ends: 677 [2022-11-18 19:59:37,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:59:37,149 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 13 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3751 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:37,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3751 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:59:37,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-11-18 19:59:37,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-11-18 19:59:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 506 states have (on average 1.359683794466403) internal successors, (688), 513 states have internal predecessors, (688), 133 states have call successors, (133), 38 states have call predecessors, (133), 37 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-11-18 19:59:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 953 transitions. [2022-11-18 19:59:37,210 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 953 transitions. Word has length 46 [2022-11-18 19:59:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:37,211 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 953 transitions. [2022-11-18 19:59:37,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 19:59:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 953 transitions. [2022-11-18 19:59:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 19:59:37,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:37,213 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-18 19:59:37,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:37,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:37,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:37,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 728136240, now seen corresponding path program 2 times [2022-11-18 19:59:37,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:37,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063872107] [2022-11-18 19:59:37,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:59:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:37,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:37,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:37,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 19:59:38,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:59:38,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:59:38,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:38,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 19:59:38,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:38,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:38,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063872107] [2022-11-18 19:59:38,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063872107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:38,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:38,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:38,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962618368] [2022-11-18 19:59:38,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:38,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:38,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:38,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:38,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:38,240 INFO L87 Difference]: Start difference. First operand 677 states and 953 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:59:39,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:39,161 INFO L93 Difference]: Finished difference Result 1955 states and 2762 transitions. [2022-11-18 19:59:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:39,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-11-18 19:59:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:39,173 INFO L225 Difference]: With dead ends: 1955 [2022-11-18 19:59:39,174 INFO L226 Difference]: Without dead ends: 1298 [2022-11-18 19:59:39,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:39,182 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 895 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:39,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1981 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:59:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2022-11-18 19:59:39,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2022-11-18 19:59:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3646694214876034) internal successors, (1321), 982 states have internal predecessors, (1321), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-18 19:59:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1832 transitions. [2022-11-18 19:59:39,270 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1832 transitions. Word has length 49 [2022-11-18 19:59:39,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:39,271 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1832 transitions. [2022-11-18 19:59:39,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 19:59:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1832 transitions. [2022-11-18 19:59:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 19:59:39,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:39,279 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:39,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:39,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:39,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:39,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:39,492 INFO L85 PathProgramCache]: Analyzing trace with hash -602378178, now seen corresponding path program 1 times [2022-11-18 19:59:39,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:39,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351681203] [2022-11-18 19:59:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:39,496 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:39,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 19:59:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:40,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:59:40,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 19:59:40,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:40,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:40,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351681203] [2022-11-18 19:59:40,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351681203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:40,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:40,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:59:40,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669708051] [2022-11-18 19:59:40,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:59:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:59:40,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:59:40,870 INFO L87 Difference]: Start difference. First operand 1298 states and 1832 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-18 19:59:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:43,344 INFO L93 Difference]: Finished difference Result 2925 states and 4194 transitions. [2022-11-18 19:59:43,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:59:43,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2022-11-18 19:59:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:43,358 INFO L225 Difference]: With dead ends: 2925 [2022-11-18 19:59:43,358 INFO L226 Difference]: Without dead ends: 1647 [2022-11-18 19:59:43,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:43,367 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 431 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:43,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 6729 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-18 19:59:43,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-11-18 19:59:43,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1298. [2022-11-18 19:59:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3636363636363635) internal successors, (1320), 982 states have internal predecessors, (1320), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-18 19:59:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1831 transitions. [2022-11-18 19:59:43,454 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1831 transitions. Word has length 67 [2022-11-18 19:59:43,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:43,456 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1831 transitions. [2022-11-18 19:59:43,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-18 19:59:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1831 transitions. [2022-11-18 19:59:43,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 19:59:43,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:43,460 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:43,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:43,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:43,684 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:43,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:43,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1887150784, now seen corresponding path program 1 times [2022-11-18 19:59:43,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:43,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185196888] [2022-11-18 19:59:43,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:43,686 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:43,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:43,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:43,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 19:59:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:44,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:44,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 19:59:45,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:45,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:45,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185196888] [2022-11-18 19:59:45,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185196888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:45,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:45,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:59:45,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189695679] [2022-11-18 19:59:45,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:45,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:59:45,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:45,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:59:45,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:45,596 INFO L87 Difference]: Start difference. First operand 1298 states and 1831 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:59:46,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:46,094 INFO L93 Difference]: Finished difference Result 3851 states and 5499 transitions. [2022-11-18 19:59:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:59:46,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2022-11-18 19:59:46,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:46,111 INFO L225 Difference]: With dead ends: 3851 [2022-11-18 19:59:46,111 INFO L226 Difference]: Without dead ends: 2563 [2022-11-18 19:59:46,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:46,118 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 895 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 4317 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:46,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 4317 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:59:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-11-18 19:59:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2563. [2022-11-18 19:59:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 1910 states have (on average 1.3638743455497382) internal successors, (2605), 1938 states have internal predecessors, (2605), 507 states have call successors, (507), 146 states have call predecessors, (507), 145 states have return successors, (536), 494 states have call predecessors, (536), 506 states have call successors, (536) [2022-11-18 19:59:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3648 transitions. [2022-11-18 19:59:46,279 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3648 transitions. Word has length 67 [2022-11-18 19:59:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:46,282 INFO L495 AbstractCegarLoop]: Abstraction has 2563 states and 3648 transitions. [2022-11-18 19:59:46,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:59:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3648 transitions. [2022-11-18 19:59:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 19:59:46,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:46,292 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2022-11-18 19:59:46,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:46,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:46,515 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:46,515 INFO L85 PathProgramCache]: Analyzing trace with hash 510620113, now seen corresponding path program 1 times [2022-11-18 19:59:46,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:46,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711481923] [2022-11-18 19:59:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:46,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:46,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:46,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:46,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 19:59:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:47,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:47,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-18 19:59:47,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:47,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:47,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711481923] [2022-11-18 19:59:47,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711481923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:47,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:47,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:47,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299953094] [2022-11-18 19:59:47,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:47,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:47,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:47,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:47,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:47,775 INFO L87 Difference]: Start difference. First operand 2563 states and 3648 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:59:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:49,202 INFO L93 Difference]: Finished difference Result 6763 states and 9544 transitions. [2022-11-18 19:59:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:49,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2022-11-18 19:59:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:49,227 INFO L225 Difference]: With dead ends: 6763 [2022-11-18 19:59:49,227 INFO L226 Difference]: Without dead ends: 4218 [2022-11-18 19:59:49,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:49,239 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 603 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:49,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1989 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:59:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-11-18 19:59:49,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 4205. [2022-11-18 19:59:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 3114 states have (on average 1.3477842003853564) internal successors, (4197), 3162 states have internal predecessors, (4197), 829 states have call successors, (829), 262 states have call predecessors, (829), 261 states have return successors, (876), 808 states have call predecessors, (876), 828 states have call successors, (876) [2022-11-18 19:59:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5902 transitions. [2022-11-18 19:59:49,577 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5902 transitions. Word has length 117 [2022-11-18 19:59:49,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:49,577 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 5902 transitions. [2022-11-18 19:59:49,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:59:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5902 transitions. [2022-11-18 19:59:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-18 19:59:49,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:49,592 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:49,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:49,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:49,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:49,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1507578268, now seen corresponding path program 1 times [2022-11-18 19:59:49,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:49,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763901879] [2022-11-18 19:59:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:49,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:49,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:49,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 19:59:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:50,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:59:50,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-18 19:59:51,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:51,047 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:51,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763901879] [2022-11-18 19:59:51,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763901879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:51,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:51,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:59:51,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762124518] [2022-11-18 19:59:51,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:51,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:59:51,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:51,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:59:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:51,050 INFO L87 Difference]: Start difference. First operand 4205 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:59:51,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:51,611 INFO L93 Difference]: Finished difference Result 9818 states and 13766 transitions. [2022-11-18 19:59:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:59:51,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-11-18 19:59:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:51,649 INFO L225 Difference]: With dead ends: 9818 [2022-11-18 19:59:51,649 INFO L226 Difference]: Without dead ends: 5633 [2022-11-18 19:59:51,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:59:51,666 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 484 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:51,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 2179 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:59:51,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2022-11-18 19:59:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5598. [2022-11-18 19:59:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5598 states, 4174 states have (on average 1.35361763296598) internal successors, (5650), 4242 states have internal predecessors, (5650), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 357 states have return successors, (1129), 1029 states have call predecessors, (1129), 1065 states have call successors, (1129) [2022-11-18 19:59:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 7845 transitions. [2022-11-18 19:59:52,079 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 7845 transitions. Word has length 134 [2022-11-18 19:59:52,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:52,080 INFO L495 AbstractCegarLoop]: Abstraction has 5598 states and 7845 transitions. [2022-11-18 19:59:52,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:59:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 7845 transitions. [2022-11-18 19:59:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-18 19:59:52,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:52,092 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:52,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:52,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:52,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:52,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1851568064, now seen corresponding path program 1 times [2022-11-18 19:59:52,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:52,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229455517] [2022-11-18 19:59:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:52,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:52,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:52,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 19:59:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:53,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:59:53,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:59:53,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:53,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229455517] [2022-11-18 19:59:53,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229455517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:53,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:53,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:59:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995363589] [2022-11-18 19:59:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:53,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:59:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:59:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:59:53,906 INFO L87 Difference]: Start difference. First operand 5598 states and 7845 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:59:55,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:55,081 INFO L93 Difference]: Finished difference Result 8540 states and 11939 transitions. [2022-11-18 19:59:55,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:59:55,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2022-11-18 19:59:55,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:55,101 INFO L225 Difference]: With dead ends: 8540 [2022-11-18 19:59:55,101 INFO L226 Difference]: Without dead ends: 2963 [2022-11-18 19:59:55,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:55,122 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:55,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:59:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2022-11-18 19:59:55,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2875. [2022-11-18 19:59:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.351187703772706) internal successors, (2901), 2181 states have internal predecessors, (2901), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-11-18 19:59:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4012 transitions. [2022-11-18 19:59:55,304 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4012 transitions. Word has length 142 [2022-11-18 19:59:55,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:55,305 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4012 transitions. [2022-11-18 19:59:55,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 19:59:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4012 transitions. [2022-11-18 19:59:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-18 19:59:55,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:55,313 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 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] [2022-11-18 19:59:55,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:59:55,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:55,535 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:55,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1046565723, now seen corresponding path program 1 times [2022-11-18 19:59:55,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 19:59:55,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654639055] [2022-11-18 19:59:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:55,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 19:59:55,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 19:59:55,539 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 19:59:55,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 19:59:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:57,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 19:59:57,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:59:57,405 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 19:59:57,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:59:57,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 19:59:57,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654639055] [2022-11-18 19:59:57,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654639055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:57,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:57,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:59:57,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320930810] [2022-11-18 19:59:57,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:57,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:59:57,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 19:59:57,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:59:57,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:59:57,408 INFO L87 Difference]: Start difference. First operand 2875 states and 4012 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 19:59:59,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:01,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:02,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:02,501 INFO L93 Difference]: Finished difference Result 5709 states and 7974 transitions. [2022-11-18 20:00:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:00:02,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2022-11-18 20:00:02,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:02,525 INFO L225 Difference]: With dead ends: 5709 [2022-11-18 20:00:02,525 INFO L226 Difference]: Without dead ends: 2880 [2022-11-18 20:00:02,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:00:02,536 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 419 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:02,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 4214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-18 20:00:02,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-11-18 20:00:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2875. [2022-11-18 20:00:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.3502561714019563) internal successors, (2899), 2181 states have internal predecessors, (2899), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-11-18 20:00:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4010 transitions. [2022-11-18 20:00:02,714 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4010 transitions. Word has length 148 [2022-11-18 20:00:02,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:02,716 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4010 transitions. [2022-11-18 20:00:02,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-18 20:00:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4010 transitions. [2022-11-18 20:00:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-18 20:00:02,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:02,727 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 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] [2022-11-18 20:00:02,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:02,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:02,950 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:02,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:02,951 INFO L85 PathProgramCache]: Analyzing trace with hash 829917095, now seen corresponding path program 1 times [2022-11-18 20:00:02,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:02,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467660643] [2022-11-18 20:00:02,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:02,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:02,954 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:03,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 20:00:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 20:00:04,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-18 20:00:05,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:05,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:05,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467660643] [2022-11-18 20:00:05,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467660643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:05,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:05,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:00:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949887186] [2022-11-18 20:00:05,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:05,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:00:05,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:05,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:00:05,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:00:05,468 INFO L87 Difference]: Start difference. First operand 2875 states and 4010 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 20:00:05,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:05,897 INFO L93 Difference]: Finished difference Result 5736 states and 8025 transitions. [2022-11-18 20:00:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:00:05,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 148 [2022-11-18 20:00:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:05,914 INFO L225 Difference]: With dead ends: 5736 [2022-11-18 20:00:05,914 INFO L226 Difference]: Without dead ends: 2907 [2022-11-18 20:00:05,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:00:05,924 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 0 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5615 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:05,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5615 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:00:05,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-11-18 20:00:06,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2903. [2022-11-18 20:00:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2167 states have (on average 1.3470235348407937) internal successors, (2919), 2201 states have internal predecessors, (2919), 540 states have call successors, (540), 188 states have call predecessors, (540), 195 states have return successors, (601), 529 states have call predecessors, (601), 539 states have call successors, (601) [2022-11-18 20:00:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4060 transitions. [2022-11-18 20:00:06,100 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4060 transitions. Word has length 148 [2022-11-18 20:00:06,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:06,101 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4060 transitions. [2022-11-18 20:00:06,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 20:00:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4060 transitions. [2022-11-18 20:00:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-18 20:00:06,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:06,110 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 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] [2022-11-18 20:00:06,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:06,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:06,323 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:06,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:06,323 INFO L85 PathProgramCache]: Analyzing trace with hash 198615179, now seen corresponding path program 1 times [2022-11-18 20:00:06,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:06,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471294926] [2022-11-18 20:00:06,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:06,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:06,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:06,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 20:00:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:08,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 20:00:08,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 20:00:08,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:08,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:08,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471294926] [2022-11-18 20:00:08,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471294926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:08,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:08,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:00:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991536026] [2022-11-18 20:00:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:08,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:00:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:00:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:00:08,376 INFO L87 Difference]: Start difference. First operand 2903 states and 4060 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 20:00:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:08,664 INFO L93 Difference]: Finished difference Result 5802 states and 8215 transitions. [2022-11-18 20:00:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:00:08,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154 [2022-11-18 20:00:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:08,681 INFO L225 Difference]: With dead ends: 5802 [2022-11-18 20:00:08,682 INFO L226 Difference]: Without dead ends: 2945 [2022-11-18 20:00:08,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:00:08,693 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 2 mSDsluCounter, 2799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:08,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3736 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:00:08,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-11-18 20:00:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2933. [2022-11-18 20:00:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2188 states have (on average 1.3436928702010968) internal successors, (2940), 2225 states have internal predecessors, (2940), 540 states have call successors, (540), 188 states have call predecessors, (540), 204 states have return successors, (614), 535 states have call predecessors, (614), 539 states have call successors, (614) [2022-11-18 20:00:08,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4094 transitions. [2022-11-18 20:00:08,861 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4094 transitions. Word has length 154 [2022-11-18 20:00:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:08,862 INFO L495 AbstractCegarLoop]: Abstraction has 2933 states and 4094 transitions. [2022-11-18 20:00:08,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 20:00:08,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4094 transitions. [2022-11-18 20:00:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 20:00:08,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:08,871 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:08,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:09,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:09,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:09,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:09,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 1 times [2022-11-18 20:00:09,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:09,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559679061] [2022-11-18 20:00:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:09,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:09,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:09,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 20:00:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:10,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-18 20:00:10,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-18 20:00:13,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:13,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:13,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559679061] [2022-11-18 20:00:13,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559679061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:13,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:13,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-11-18 20:00:13,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876947129] [2022-11-18 20:00:13,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:13,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 20:00:13,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:13,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:00:13,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:00:13,732 INFO L87 Difference]: Start difference. First operand 2933 states and 4094 transitions. Second operand has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 20:00:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:16,982 INFO L93 Difference]: Finished difference Result 5862 states and 8263 transitions. [2022-11-18 20:00:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:00:16,984 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) Word has length 161 [2022-11-18 20:00:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:17,000 INFO L225 Difference]: With dead ends: 5862 [2022-11-18 20:00:17,001 INFO L226 Difference]: Without dead ends: 2975 [2022-11-18 20:00:17,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-11-18 20:00:17,013 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 16 mSDsluCounter, 16919 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 17865 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:17,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 17865 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-18 20:00:17,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2022-11-18 20:00:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2022-11-18 20:00:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2208 states have (on average 1.3378623188405796) internal successors, (2954), 2243 states have internal predecessors, (2954), 540 states have call successors, (540), 188 states have call predecessors, (540), 211 states have return successors, (628), 544 states have call predecessors, (628), 539 states have call successors, (628) [2022-11-18 20:00:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4122 transitions. [2022-11-18 20:00:17,216 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4122 transitions. Word has length 161 [2022-11-18 20:00:17,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:17,217 INFO L495 AbstractCegarLoop]: Abstraction has 2960 states and 4122 transitions. [2022-11-18 20:00:17,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 20:00:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4122 transitions. [2022-11-18 20:00:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 20:00:17,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:17,229 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:17,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:17,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:17,447 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:17,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1188259002, now seen corresponding path program 1 times [2022-11-18 20:00:17,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:17,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385367651] [2022-11-18 20:00:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:17,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:17,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:17,451 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:17,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 20:00:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:19,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:00:19,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:00:20,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:20,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:20,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385367651] [2022-11-18 20:00:20,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385367651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:20,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:20,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:00:20,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734572738] [2022-11-18 20:00:20,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:20,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:00:20,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:20,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:00:20,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:00:20,178 INFO L87 Difference]: Start difference. First operand 2960 states and 4122 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:00:20,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:20,633 INFO L93 Difference]: Finished difference Result 6727 states and 9365 transitions. [2022-11-18 20:00:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:00:20,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-11-18 20:00:20,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:20,660 INFO L225 Difference]: With dead ends: 6727 [2022-11-18 20:00:20,661 INFO L226 Difference]: Without dead ends: 3813 [2022-11-18 20:00:20,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:00:20,686 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 650 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:20,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1849 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:00:20,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2022-11-18 20:00:20,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3782. [2022-11-18 20:00:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3782 states, 2844 states have (on average 1.339310829817159) internal successors, (3809), 2887 states have internal predecessors, (3809), 656 states have call successors, (656), 248 states have call predecessors, (656), 281 states have return successors, (774), 664 states have call predecessors, (774), 655 states have call successors, (774) [2022-11-18 20:00:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 5239 transitions. [2022-11-18 20:00:20,964 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 5239 transitions. Word has length 172 [2022-11-18 20:00:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:20,965 INFO L495 AbstractCegarLoop]: Abstraction has 3782 states and 5239 transitions. [2022-11-18 20:00:20,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 20:00:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 5239 transitions. [2022-11-18 20:00:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-18 20:00:20,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:20,974 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:21,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:21,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:21,191 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:21,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:21,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-11-18 20:00:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:21,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770910578] [2022-11-18 20:00:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:21,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:21,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:21,194 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:21,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 20:00:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:23,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-18 20:00:23,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-18 20:00:24,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:00:24,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:00:24,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770910578] [2022-11-18 20:00:24,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770910578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:24,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:24,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 20:00:24,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465812920] [2022-11-18 20:00:24,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:24,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 20:00:24,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:00:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 20:00:24,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:00:24,506 INFO L87 Difference]: Start difference. First operand 3782 states and 5239 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:00:25,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:25,892 INFO L93 Difference]: Finished difference Result 7545 states and 10542 transitions. [2022-11-18 20:00:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:00:25,893 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) Word has length 169 [2022-11-18 20:00:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:25,918 INFO L225 Difference]: With dead ends: 7545 [2022-11-18 20:00:25,918 INFO L226 Difference]: Without dead ends: 3809 [2022-11-18 20:00:25,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:00:25,930 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 12 mSDsluCounter, 9400 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10345 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:25,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10345 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-18 20:00:25,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2022-11-18 20:00:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3803. [2022-11-18 20:00:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3803 states, 2863 states have (on average 1.3370590289905693) internal successors, (3828), 2899 states have internal predecessors, (3828), 656 states have call successors, (656), 248 states have call predecessors, (656), 283 states have return successors, (777), 673 states have call predecessors, (777), 655 states have call successors, (777) [2022-11-18 20:00:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 5261 transitions. [2022-11-18 20:00:26,167 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 5261 transitions. Word has length 169 [2022-11-18 20:00:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:26,167 INFO L495 AbstractCegarLoop]: Abstraction has 3803 states and 5261 transitions. [2022-11-18 20:00:26,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-18 20:00:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 5261 transitions. [2022-11-18 20:00:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 20:00:26,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:26,179 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:26,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:26,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:26,403 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:00:26,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:26,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-11-18 20:00:26,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:00:26,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228485593] [2022-11-18 20:00:26,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:00:26,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:00:26,408 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:00:26,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46575c7-e59d-4977-b62d-7784cb1d5d59/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process