./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:41:40,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:41:40,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:41:40,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:41:40,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:41:40,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:41:40,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:41:40,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:41:40,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:41:40,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:41:40,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:41:40,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:41:40,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:41:40,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:41:40,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:41:40,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:41:40,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:41:40,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:41:40,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:41:40,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:41:40,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:41:40,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:41:40,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:41:40,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:41:40,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:41:40,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:41:40,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:41:40,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:41:40,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:41:41,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:41:41,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:41:41,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:41:41,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:41:41,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:41:41,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:41:41,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:41:41,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:41:41,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:41:41,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:41:41,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:41:41,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:41:41,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:41:41,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:41:41,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:41:41,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:41:41,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:41:41,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:41:41,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:41:41,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:41:41,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:41:41,056 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:41:41,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:41:41,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:41:41,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:41:41,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:41:41,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:41:41,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:41:41,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:41:41,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:41:41,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:41:41,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:41:41,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:41:41,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:41:41,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:41:41,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:41:41,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:41:41,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:41:41,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:41:41,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:41:41,060 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:41:41,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:41:41,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:41:41,061 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-11-16 11:41:41,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:41:41,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:41:41,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:41:41,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:41:41,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:41:41,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/../../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 [2022-11-16 11:41:41,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/bec93fa31/c59c54bad0b04a2fbb1b262d20a67324/FLAGc09d79ca4 [2022-11-16 11:41:42,407 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:41:42,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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 [2022-11-16 11:41:42,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/bec93fa31/c59c54bad0b04a2fbb1b262d20a67324/FLAGc09d79ca4 [2022-11-16 11:41:42,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/bec93fa31/c59c54bad0b04a2fbb1b262d20a67324 [2022-11-16 11:41:42,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:41:42,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:41:42,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:42,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:41:42,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:41:42,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:42" (1/1) ... [2022-11-16 11:41:42,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7660a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:42, skipping insertion in model container [2022-11-16 11:41:42,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:41:42" (1/1) ... [2022-11-16 11:41:42,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:41:43,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:41:44,147 WARN L229 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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] [2022-11-16 11:41:44,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:44,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:41:45,214 WARN L229 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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] [2022-11-16 11:41:45,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:41:45,558 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:41:45,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45 WrapperNode [2022-11-16 11:41:45,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:41:45,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:45,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:41:45,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:41:45,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,773 INFO L138 Inliner]: procedures = 157, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2337 [2022-11-16 11:41:45,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:41:45,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:41:45,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:41:45,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:41:45,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:45,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:46,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:46,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:41:46,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:41:46,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:41:46,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:41:46,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (1/1) ... [2022-11-16 11:41:46,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:41:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:41:46,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:41:46,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:41:46,150 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:41:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:41:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-11-16 11:41:46,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-11-16 11:41:46,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:41:46,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:41:46,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:41:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:41:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:41:46,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:41:46,153 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:41:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:41:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:41:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-16 11:41:46,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-16 11:41:46,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:41:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:41:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:41:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-16 11:41:46,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-16 11:41:46,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 11:41:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 11:41:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-11-16 11:41:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-11-16 11:41:46,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:41:46,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:41:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:41:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:41:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:41:46,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:41:46,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:41:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:41:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-11-16 11:41:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-11-16 11:41:46,158 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-11-16 11:41:46,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-11-16 11:41:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-16 11:41:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-16 11:41:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:41:46,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:41:46,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:41:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:41:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:41:46,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:41:46,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:41:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-16 11:41:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-16 11:41:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:41:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:41:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:41:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:41:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:41:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:41:46,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:41:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:41:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:41:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 11:41:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 11:41:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:41:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:41:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:41:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:41:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:41:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-11-16 11:41:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-11-16 11:41:46,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:41:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 11:41:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 11:41:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-16 11:41:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-16 11:41:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:41:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:41:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:41:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:41:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:41:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:41:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:41:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:41:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:41:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-11-16 11:41:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-11-16 11:41:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:41:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:41:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:41:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:41:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:41:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-16 11:41:46,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:41:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:41:46,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:41:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:41:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-11-16 11:41:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-11-16 11:41:46,886 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:41:46,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:41:47,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:41:51,690 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:41:51,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:41:51,711 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:41:51,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:51 BoogieIcfgContainer [2022-11-16 11:41:51,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:41:51,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:41:51,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:41:51,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:41:51,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:41:42" (1/3) ... [2022-11-16 11:41:51,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70172c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:41:51, skipping insertion in model container [2022-11-16 11:41:51,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:41:45" (2/3) ... [2022-11-16 11:41:51,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70172c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:41:51, skipping insertion in model container [2022-11-16 11:41:51,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:51" (3/3) ... [2022-11-16 11:41:51,727 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 [2022-11-16 11:41:51,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:41:51,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:41:51,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:41:51,867 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;@369cb90e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:41:51,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:41:51,879 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) [2022-11-16 11:41:51,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 11:41:51,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:41:51,906 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] [2022-11-16 11:41:51,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:41:51,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:41:51,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-11-16 11:41:51,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:41:51,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708421351] [2022-11-16 11:41:51,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:41:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:41:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:41:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:41:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:41:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:41:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:41:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:41:52,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:41:52,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708421351] [2022-11-16 11:41:52,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708421351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:41:52,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:41:52,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:41:52,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885149941] [2022-11-16 11:41:52,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:41:52,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:41:52,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:41:52,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:41:52,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:41:52,726 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) [2022-11-16 11:41:55,325 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 [] [2022-11-16 11:41:57,347 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 [] [2022-11-16 11:42:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:01,448 INFO L93 Difference]: Finished difference Result 2121 states and 3115 transitions. [2022-11-16 11:42:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:42:01,450 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 [2022-11-16 11:42:01,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:01,483 INFO L225 Difference]: With dead ends: 2121 [2022-11-16 11:42:01,483 INFO L226 Difference]: Without dead ends: 1432 [2022-11-16 11:42:01,493 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 [2022-11-16 11:42:01,496 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 1404 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 665 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:01,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 2636 Invalid, 1815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [665 Valid, 1148 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-16 11:42:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2022-11-16 11:42:01,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1286. [2022-11-16 11:42:01,701 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) [2022-11-16 11:42:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1818 transitions. [2022-11-16 11:42:01,712 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1818 transitions. Word has length 45 [2022-11-16 11:42:01,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:01,713 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1818 transitions. [2022-11-16 11:42:01,713 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) [2022-11-16 11:42:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1818 transitions. [2022-11-16 11:42:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-16 11:42:01,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:01,718 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] [2022-11-16 11:42:01,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:42:01,719 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:01,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:01,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1828543170, now seen corresponding path program 1 times [2022-11-16 11:42:01,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:01,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711167188] [2022-11-16 11:42:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:01,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:42:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:42:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:42:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:42:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-16 11:42:02,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:02,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711167188] [2022-11-16 11:42:02,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711167188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:02,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:02,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:42:02,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89789958] [2022-11-16 11:42:02,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:02,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:42:02,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:42:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:42:02,446 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) [2022-11-16 11:42:04,883 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 [] [2022-11-16 11:42:06,889 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 [] [2022-11-16 11:42:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:11,448 INFO L93 Difference]: Finished difference Result 4123 states and 5934 transitions. [2022-11-16 11:42:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:42:11,448 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 [2022-11-16 11:42:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:11,471 INFO L225 Difference]: With dead ends: 4123 [2022-11-16 11:42:11,471 INFO L226 Difference]: Without dead ends: 2839 [2022-11-16 11:42:11,477 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 [2022-11-16 11:42:11,478 INFO L413 NwaCegarLoop]: 1015 mSDtfsCounter, 1387 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 642 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 4411 SdHoareTripleChecker+Invalid, 2543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:11,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 4411 Invalid, 2543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [642 Valid, 1899 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-16 11:42:11,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2022-11-16 11:42:11,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2591. [2022-11-16 11:42:11,638 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) [2022-11-16 11:42:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3697 transitions. [2022-11-16 11:42:11,655 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3697 transitions. Word has length 63 [2022-11-16 11:42:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:11,656 INFO L495 AbstractCegarLoop]: Abstraction has 2591 states and 3697 transitions. [2022-11-16 11:42:11,657 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) [2022-11-16 11:42:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3697 transitions. [2022-11-16 11:42:11,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 11:42:11,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:11,669 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] [2022-11-16 11:42:11,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:42:11,670 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1080085425, now seen corresponding path program 1 times [2022-11-16 11:42:11,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:11,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320782087] [2022-11-16 11:42:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:42:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:42:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:42:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 11:42:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-16 11:42:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:42:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:12,152 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 11:42:12,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:12,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320782087] [2022-11-16 11:42:12,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320782087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:12,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:12,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:42:12,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042493181] [2022-11-16 11:42:12,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:12,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:42:12,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:12,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:42:12,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:42:12,160 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) [2022-11-16 11:42:14,441 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 [] [2022-11-16 11:42:16,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:18,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:21,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:23,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:25,579 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 [] [2022-11-16 11:42:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:30,164 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-11-16 11:42:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:42:30,167 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 [2022-11-16 11:42:30,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:30,209 INFO L225 Difference]: With dead ends: 7632 [2022-11-16 11:42:30,210 INFO L226 Difference]: Without dead ends: 5053 [2022-11-16 11:42:30,223 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 [2022-11-16 11:42:30,224 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 1341 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 847 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:30,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 3168 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 1558 Invalid, 6 Unknown, 0 Unchecked, 17.6s Time] [2022-11-16 11:42:30,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-11-16 11:42:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 4275. [2022-11-16 11:42:30,557 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) [2022-11-16 11:42:30,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6012 transitions. [2022-11-16 11:42:30,588 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6012 transitions. Word has length 113 [2022-11-16 11:42:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:30,591 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6012 transitions. [2022-11-16 11:42:30,592 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) [2022-11-16 11:42:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6012 transitions. [2022-11-16 11:42:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 11:42:30,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:30,610 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] [2022-11-16 11:42:30,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:42:30,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:30,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:30,612 INFO L85 PathProgramCache]: Analyzing trace with hash 265725666, now seen corresponding path program 1 times [2022-11-16 11:42:30,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:30,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137356334] [2022-11-16 11:42:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:42:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:42:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:42:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:42:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:42:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:42:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:42:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:42:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-16 11:42:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 11:42:31,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:31,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137356334] [2022-11-16 11:42:31,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137356334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:31,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:31,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:42:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502991652] [2022-11-16 11:42:31,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:31,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:42:31,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:31,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:42:31,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:42:31,217 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) [2022-11-16 11:42:33,430 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 [] [2022-11-16 11:42:35,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:38,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:42:40,046 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 [] [2022-11-16 11:42:44,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:44,914 INFO L93 Difference]: Finished difference Result 10577 states and 14962 transitions. [2022-11-16 11:42:44,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:42:44,915 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 [2022-11-16 11:42:44,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:44,958 INFO L225 Difference]: With dead ends: 10577 [2022-11-16 11:42:44,958 INFO L226 Difference]: Without dead ends: 6318 [2022-11-16 11:42:44,977 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 [2022-11-16 11:42:44,978 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 842 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 401 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:44,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 4013 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 1571 Invalid, 4 Unknown, 0 Unchecked, 13.2s Time] [2022-11-16 11:42:44,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2022-11-16 11:42:45,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 5704. [2022-11-16 11:42:45,296 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) [2022-11-16 11:42:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 8003 transitions. [2022-11-16 11:42:45,381 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 8003 transitions. Word has length 130 [2022-11-16 11:42:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:45,382 INFO L495 AbstractCegarLoop]: Abstraction has 5704 states and 8003 transitions. [2022-11-16 11:42:45,383 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) [2022-11-16 11:42:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 8003 transitions. [2022-11-16 11:42:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-16 11:42:45,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:45,398 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] [2022-11-16 11:42:45,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:42:45,398 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:45,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:45,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1355234686, now seen corresponding path program 1 times [2022-11-16 11:42:45,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:45,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231001265] [2022-11-16 11:42:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:42:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:42:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:42:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:42:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:42:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:42:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:42:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:42:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-16 11:42:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:46,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231001265] [2022-11-16 11:42:46,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231001265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:46,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:46,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:42:46,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760617570] [2022-11-16 11:42:46,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:46,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:42:46,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:46,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:42:46,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:42:46,816 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) [2022-11-16 11:42:49,080 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 [] [2022-11-16 11:42:51,086 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 [] [2022-11-16 11:42:55,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:42:55,495 INFO L93 Difference]: Finished difference Result 12348 states and 17757 transitions. [2022-11-16 11:42:55,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:42:55,499 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 [2022-11-16 11:42:55,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:42:55,551 INFO L225 Difference]: With dead ends: 12348 [2022-11-16 11:42:55,551 INFO L226 Difference]: Without dead ends: 6671 [2022-11-16 11:42:55,581 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 [2022-11-16 11:42:55,582 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 336 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 334 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 3974 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:42:55,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 3974 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 1494 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-16 11:42:55,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2022-11-16 11:42:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 5952. [2022-11-16 11:42:56,039 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) [2022-11-16 11:42:56,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8395 transitions. [2022-11-16 11:42:56,066 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8395 transitions. Word has length 138 [2022-11-16 11:42:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:42:56,067 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8395 transitions. [2022-11-16 11:42:56,069 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) [2022-11-16 11:42:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8395 transitions. [2022-11-16 11:42:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-16 11:42:56,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:42:56,085 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] [2022-11-16 11:42:56,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:42:56,086 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:42:56,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:42:56,087 INFO L85 PathProgramCache]: Analyzing trace with hash 324022734, now seen corresponding path program 1 times [2022-11-16 11:42:56,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:42:56,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611054592] [2022-11-16 11:42:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:42:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:42:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:42:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:42:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:42:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:42:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:42:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:42:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:42:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:42:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:42:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:42:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:42:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:42:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:42:57,828 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-16 11:42:57,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:42:57,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611054592] [2022-11-16 11:42:57,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611054592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:42:57,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:42:57,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:42:57,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819429696] [2022-11-16 11:42:57,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:42:57,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:42:57,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:42:57,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:42:57,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:42:57,831 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) [2022-11-16 11:43:00,140 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 [] [2022-11-16 11:43:02,155 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 [] [2022-11-16 11:43:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:06,256 INFO L93 Difference]: Finished difference Result 12599 states and 17881 transitions. [2022-11-16 11:43:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:43:06,257 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 [2022-11-16 11:43:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:06,310 INFO L225 Difference]: With dead ends: 12599 [2022-11-16 11:43:06,311 INFO L226 Difference]: Without dead ends: 6674 [2022-11-16 11:43:06,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:43:06,336 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 876 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 494 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:06,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 4301 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1674 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-16 11:43:06,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-16 11:43:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5952. [2022-11-16 11:43:06,703 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) [2022-11-16 11:43:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8391 transitions. [2022-11-16 11:43:06,731 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8391 transitions. Word has length 145 [2022-11-16 11:43:06,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:06,732 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8391 transitions. [2022-11-16 11:43:06,732 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) [2022-11-16 11:43:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8391 transitions. [2022-11-16 11:43:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-16 11:43:06,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:06,751 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] [2022-11-16 11:43:06,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:43:06,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:06,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:06,752 INFO L85 PathProgramCache]: Analyzing trace with hash 442464208, now seen corresponding path program 1 times [2022-11-16 11:43:06,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:06,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776410197] [2022-11-16 11:43:06,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:06,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:43:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:43:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:43:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:43:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:43:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:43:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:43:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:43:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-16 11:43:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:43:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-16 11:43:08,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:08,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776410197] [2022-11-16 11:43:08,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776410197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:08,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:09,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:43:09,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928412493] [2022-11-16 11:43:09,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:09,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:43:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:09,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:43:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:43:09,002 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) [2022-11-16 11:43:11,263 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 [] [2022-11-16 11:43:13,269 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 [] [2022-11-16 11:43:17,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:17,691 INFO L93 Difference]: Finished difference Result 12600 states and 17877 transitions. [2022-11-16 11:43:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:43:17,693 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 [2022-11-16 11:43:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:17,732 INFO L225 Difference]: With dead ends: 12600 [2022-11-16 11:43:17,732 INFO L226 Difference]: Without dead ends: 6675 [2022-11-16 11:43:17,756 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 [2022-11-16 11:43:17,758 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 445 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 493 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s 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, 8.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:17,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 5334 Invalid, 2484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1989 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-16 11:43:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6675 states. [2022-11-16 11:43:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6000. [2022-11-16 11:43:18,124 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) [2022-11-16 11:43:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 8473 transitions. [2022-11-16 11:43:18,153 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 8473 transitions. Word has length 145 [2022-11-16 11:43:18,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:18,155 INFO L495 AbstractCegarLoop]: Abstraction has 6000 states and 8473 transitions. [2022-11-16 11:43:18,156 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) [2022-11-16 11:43:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 8473 transitions. [2022-11-16 11:43:18,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-16 11:43:18,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:18,175 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] [2022-11-16 11:43:18,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:43:18,175 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:18,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1644094764, now seen corresponding path program 1 times [2022-11-16 11:43:18,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:18,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63646654] [2022-11-16 11:43:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:18,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:43:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:43:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:43:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:43:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-16 11:43:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:43:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-16 11:43:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:43:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:43:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:43:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-16 11:43:19,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:19,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63646654] [2022-11-16 11:43:19,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63646654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:19,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:19,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:43:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477480772] [2022-11-16 11:43:19,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:19,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:43:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:43:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:43:19,364 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) [2022-11-16 11:43:21,666 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 [] [2022-11-16 11:43:23,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:25,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:30,279 INFO L93 Difference]: Finished difference Result 12649 states and 17952 transitions. [2022-11-16 11:43:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:43:30,279 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 [2022-11-16 11:43:30,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:30,317 INFO L225 Difference]: With dead ends: 12649 [2022-11-16 11:43:30,317 INFO L226 Difference]: Without dead ends: 6657 [2022-11-16 11:43:30,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:43:30,337 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 447 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 495 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 3652 SdHoareTripleChecker+Invalid, 1929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:30,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 3652 Invalid, 1929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1431 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-11-16 11:43:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2022-11-16 11:43:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 6009. [2022-11-16 11:43:30,717 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) [2022-11-16 11:43:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 8482 transitions. [2022-11-16 11:43:30,746 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 8482 transitions. Word has length 151 [2022-11-16 11:43:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:30,747 INFO L495 AbstractCegarLoop]: Abstraction has 6009 states and 8482 transitions. [2022-11-16 11:43:30,748 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) [2022-11-16 11:43:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 8482 transitions. [2022-11-16 11:43:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-16 11:43:30,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:30,767 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] [2022-11-16 11:43:30,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:43:30,767 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:30,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1976096216, now seen corresponding path program 1 times [2022-11-16 11:43:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:30,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348716493] [2022-11-16 11:43:30,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:43:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:43:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:43:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:43:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:43:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:43:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 11:43:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 11:43:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:43:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:43:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-16 11:43:32,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:32,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348716493] [2022-11-16 11:43:32,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348716493] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:43:32,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068651766] [2022-11-16 11:43:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:32,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:43:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:32,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:43:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:43:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:33,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 11:43:33,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:43:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-16 11:43:33,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:43:33,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068651766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:33,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:43:33,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-16 11:43:33,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331371038] [2022-11-16 11:43:33,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:33,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:43:33,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:33,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:43:33,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:43:33,770 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) [2022-11-16 11:43:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:34,228 INFO L93 Difference]: Finished difference Result 9166 states and 12904 transitions. [2022-11-16 11:43:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:43:34,229 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 [2022-11-16 11:43:34,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:34,245 INFO L225 Difference]: With dead ends: 9166 [2022-11-16 11:43:34,245 INFO L226 Difference]: Without dead ends: 3175 [2022-11-16 11:43:34,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:43:34,262 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:34,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:43:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2022-11-16 11:43:34,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3079. [2022-11-16 11:43:34,456 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) [2022-11-16 11:43:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4329 transitions. [2022-11-16 11:43:34,470 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4329 transitions. Word has length 152 [2022-11-16 11:43:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:34,471 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4329 transitions. [2022-11-16 11:43:34,471 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) [2022-11-16 11:43:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4329 transitions. [2022-11-16 11:43:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-16 11:43:34,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:34,483 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] [2022-11-16 11:43:34,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:43:34,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 11:43:34,695 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:34,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:34,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1367720979, now seen corresponding path program 1 times [2022-11-16 11:43:34,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:34,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273969745] [2022-11-16 11:43:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:34,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:43:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:43:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:43:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:43:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:43:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 11:43:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 11:43:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:43:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:43:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:43:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:43:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,434 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-16 11:43:36,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:36,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273969745] [2022-11-16 11:43:36,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273969745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:36,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:36,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:43:36,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594855438] [2022-11-16 11:43:36,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:36,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:43:36,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:36,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:43:36,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:43:36,437 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) [2022-11-16 11:43:38,729 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 [] [2022-11-16 11:43:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:43,083 INFO L93 Difference]: Finished difference Result 6449 states and 9117 transitions. [2022-11-16 11:43:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:43:43,084 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 [2022-11-16 11:43:43,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:43,103 INFO L225 Difference]: With dead ends: 6449 [2022-11-16 11:43:43,104 INFO L226 Difference]: Without dead ends: 3413 [2022-11-16 11:43:43,114 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 [2022-11-16 11:43:43,115 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 748 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 321 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 4475 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:43,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 4475 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1727 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-16 11:43:43,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2022-11-16 11:43:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3079. [2022-11-16 11:43:43,375 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) [2022-11-16 11:43:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4327 transitions. [2022-11-16 11:43:43,393 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4327 transitions. Word has length 158 [2022-11-16 11:43:43,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:43,394 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4327 transitions. [2022-11-16 11:43:43,395 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) [2022-11-16 11:43:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4327 transitions. [2022-11-16 11:43:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-16 11:43:43,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:43,409 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] [2022-11-16 11:43:43,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:43:43,409 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:43:43,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:43,410 INFO L85 PathProgramCache]: Analyzing trace with hash -538682287, now seen corresponding path program 1 times [2022-11-16 11:43:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:43,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428265842] [2022-11-16 11:43:43,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:43:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:43:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:43:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:43:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:43:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 11:43:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-16 11:43:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 11:43:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:43:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:43:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:43:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:43:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:43:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-16 11:43:44,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:44,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428265842] [2022-11-16 11:43:44,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428265842] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:43:44,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314679405] [2022-11-16 11:43:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:44,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:43:44,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:44,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:43:44,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:43:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:43:46,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:43:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-16 11:43:46,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:43:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-16 11:43:46,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314679405] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:43:46,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:43:46,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-16 11:43:46,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120056825] [2022-11-16 11:43:46,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:43:46,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:43:46,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:43:46,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:43:46,714 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) [2022-11-16 11:43:49,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:51,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:53,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:43:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:59,624 INFO L93 Difference]: Finished difference Result 6479 states and 9155 transitions. [2022-11-16 11:43:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:43:59,625 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 [2022-11-16 11:43:59,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:43:59,641 INFO L225 Difference]: With dead ends: 6479 [2022-11-16 11:43:59,642 INFO L226 Difference]: Without dead ends: 3415 [2022-11-16 11:43:59,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-11-16 11:43:59,653 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 462 mSDsluCounter, 5092 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 482 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:43:59,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 5928 Invalid, 2761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 2276 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-11-16 11:43:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-11-16 11:43:59,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3086. [2022-11-16 11:43:59,855 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) [2022-11-16 11:43:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4334 transitions. [2022-11-16 11:43:59,869 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4334 transitions. Word has length 158 [2022-11-16 11:43:59,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:43:59,870 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4334 transitions. [2022-11-16 11:43:59,870 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) [2022-11-16 11:43:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4334 transitions. [2022-11-16 11:43:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-16 11:43:59,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:43:59,882 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] [2022-11-16 11:43:59,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:44:00,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:44:00,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:00,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 2 times [2022-11-16 11:44:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:44:00,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307794979] [2022-11-16 11:44:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:00,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:44:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:44:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:44:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:44:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:44:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:44:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:44:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:44:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:44:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:44:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 11:44:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:44:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-16 11:44:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:44:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-16 11:44:05,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:44:05,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307794979] [2022-11-16 11:44:05,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307794979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:05,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:05,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-11-16 11:44:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882549283] [2022-11-16 11:44:05,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:05,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 11:44:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:44:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 11:44:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:44:05,634 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) [2022-11-16 11:44:08,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:17,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:17,014 INFO L93 Difference]: Finished difference Result 6457 states and 9213 transitions. [2022-11-16 11:44:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 11:44:17,015 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 [2022-11-16 11:44:17,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:17,033 INFO L225 Difference]: With dead ends: 6457 [2022-11-16 11:44:17,033 INFO L226 Difference]: Without dead ends: 3417 [2022-11-16 11:44:17,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-11-16 11:44:17,044 INFO L413 NwaCegarLoop]: 844 mSDtfsCounter, 345 mSDsluCounter, 10255 mSDsCounter, 0 mSdLazyCounter, 4213 mSolverCounterSat, 315 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 11099 SdHoareTripleChecker+Invalid, 4529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 4213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:17,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 11099 Invalid, 4529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [315 Valid, 4213 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-16 11:44:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-11-16 11:44:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3098. [2022-11-16 11:44:17,230 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) [2022-11-16 11:44:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4343 transitions. [2022-11-16 11:44:17,243 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4343 transitions. Word has length 161 [2022-11-16 11:44:17,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:17,244 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 4343 transitions. [2022-11-16 11:44:17,245 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) [2022-11-16 11:44:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4343 transitions. [2022-11-16 11:44:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-16 11:44:17,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:17,256 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] [2022-11-16 11:44:17,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:44:17,257 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:17,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-11-16 11:44:17,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:44:17,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676334025] [2022-11-16 11:44:17,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:17,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:44:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:44:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:44:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:44:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:44:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:44:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:44:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:44:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:44:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:44:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:44:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:44:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:44:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:44:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:44:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:44:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:44:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:44:22,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676334025] [2022-11-16 11:44:22,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676334025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:22,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:22,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-16 11:44:22,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317694661] [2022-11-16 11:44:22,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:22,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 11:44:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:44:22,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:44:22,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:44:22,756 INFO L87 Difference]: Start difference. First operand 3098 states and 4343 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) [2022-11-16 11:44:25,323 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 [] [2022-11-16 11:44:27,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:29,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:44:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:37,079 INFO L93 Difference]: Finished difference Result 6469 states and 9208 transitions. [2022-11-16 11:44:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 11:44:37,080 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 [2022-11-16 11:44:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:37,097 INFO L225 Difference]: With dead ends: 6469 [2022-11-16 11:44:37,097 INFO L226 Difference]: Without dead ends: 3417 [2022-11-16 11:44:37,108 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 [2022-11-16 11:44:37,109 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 450 mSDsluCounter, 9464 mSDsCounter, 0 mSdLazyCounter, 3931 mSolverCounterSat, 469 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 10304 SdHoareTripleChecker+Invalid, 4403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 3931 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:37,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 10304 Invalid, 4403 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [469 Valid, 3931 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2022-11-16 11:44:37,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-11-16 11:44:37,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3109. [2022-11-16 11:44:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 2306 states have (on average 1.3326105810928013) internal successors, (3073), 2349 states have internal predecessors, (3073), 578 states have call successors, (578), 188 states have call predecessors, (578), 224 states have return successors, (701), 587 states have call predecessors, (701), 577 states have call successors, (701) [2022-11-16 11:44:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4352 transitions. [2022-11-16 11:44:37,421 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4352 transitions. Word has length 169 [2022-11-16 11:44:37,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:37,422 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4352 transitions. [2022-11-16 11:44:37,422 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) [2022-11-16 11:44:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4352 transitions. [2022-11-16 11:44:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-16 11:44:37,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:37,434 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] [2022-11-16 11:44:37,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:44:37,434 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:37,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1195665736, now seen corresponding path program 1 times [2022-11-16 11:44:37,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:44:37,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103529716] [2022-11-16 11:44:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:44:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:44:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:44:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:44:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:44:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-16 11:44:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-16 11:44:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:44:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 11:44:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:44:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:44:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-16 11:44:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:44:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:44:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:44:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:44:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:44:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:44:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-16 11:44:38,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:44:38,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103529716] [2022-11-16 11:44:38,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103529716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:44:38,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:44:38,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:44:38,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424997380] [2022-11-16 11:44:38,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:44:38,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:44:38,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:44:38,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:44:38,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:44:38,109 INFO L87 Difference]: Start difference. First operand 3109 states and 4352 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) [2022-11-16 11:44:40,301 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 [] [2022-11-16 11:44:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:44:44,373 INFO L93 Difference]: Finished difference Result 7313 states and 10253 transitions. [2022-11-16 11:44:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:44:44,374 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 [2022-11-16 11:44:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:44:44,392 INFO L225 Difference]: With dead ends: 7313 [2022-11-16 11:44:44,392 INFO L226 Difference]: Without dead ends: 4250 [2022-11-16 11:44:44,403 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 [2022-11-16 11:44:44,404 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 981 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 450 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:44:44,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 2606 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1024 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-16 11:44:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2022-11-16 11:44:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 3968. [2022-11-16 11:44:44,758 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) [2022-11-16 11:44:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5525 transitions. [2022-11-16 11:44:44,775 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5525 transitions. Word has length 172 [2022-11-16 11:44:44,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:44:44,776 INFO L495 AbstractCegarLoop]: Abstraction has 3968 states and 5525 transitions. [2022-11-16 11:44:44,776 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) [2022-11-16 11:44:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5525 transitions. [2022-11-16 11:44:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:44:44,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:44:44,789 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] [2022-11-16 11:44:44,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:44:44,790 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:44:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:44:44,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-11-16 11:44:44,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:44:44,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520370926] [2022-11-16 11:44:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:44:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:45:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:45:11,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:45:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:45:12,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:45:12,027 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:45:12,029 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:45:12,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:45:12,036 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:45:12,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:45:12,081 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-16 11:45:12,110 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,111 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,111 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,112 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,113 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,113 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,113 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,114 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,114 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,114 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-16 11:45:12,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:45:12 BoogieIcfgContainer [2022-11-16 11:45:12,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:45:12,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:45:12,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:45:12,341 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:45:12,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:41:51" (3/4) ... [2022-11-16 11:45:12,346 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:45:12,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:45:12,348 INFO L158 Benchmark]: Toolchain (without parser) took 209417.76ms. Allocated memory was 111.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 81.1MB in the beginning and 651.1MB in the end (delta: -570.0MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 11:45:12,348 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:45:12,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2630.50ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 80.8MB in the beginning and 74.4MB in the end (delta: 6.3MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2022-11-16 11:45:12,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.76ms. Allocated memory is still 151.0MB. Free memory was 74.4MB in the beginning and 59.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:45:12,349 INFO L158 Benchmark]: Boogie Preprocessor took 257.42ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 59.8MB in the beginning and 203.7MB in the end (delta: -144.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-16 11:45:12,350 INFO L158 Benchmark]: RCFGBuilder took 5683.77ms. Allocated memory is still 276.8MB. Free memory was 203.7MB in the beginning and 158.7MB in the end (delta: 45.1MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2022-11-16 11:45:12,350 INFO L158 Benchmark]: TraceAbstraction took 200619.99ms. Allocated memory was 276.8MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 157.6MB in the beginning and 651.1MB in the end (delta: -493.5MB). Peak memory consumption was 916.4MB. Max. memory is 16.1GB. [2022-11-16 11:45:12,351 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 1.7GB. Free memory is still 651.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:45:12,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2630.50ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 80.8MB in the beginning and 74.4MB in the end (delta: 6.3MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.76ms. Allocated memory is still 151.0MB. Free memory was 74.4MB in the beginning and 59.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 257.42ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 59.8MB in the beginning and 203.7MB in the end (delta: -144.0MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5683.77ms. Allocated memory is still 276.8MB. Free memory was 203.7MB in the beginning and 158.7MB in the end (delta: 45.1MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. * TraceAbstraction took 200619.99ms. Allocated memory was 276.8MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 157.6MB in the beginning and 651.1MB in the end (delta: -493.5MB). Peak memory consumption was 916.4MB. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 1.7GB. Free memory is still 651.1MB. There was no memory consumed. 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={337:0}, 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={337:0}, 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={337:0}, 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={337:0}, 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={337:0}, 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={337:0}, 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={0:0}, set={164:0}, 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={337:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={337:0}, 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={337:0}, 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={337:0}, 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={337:0}, 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={340:0}, descriptor.flags=0, descriptor___0={338:0}, 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={340:0}, descriptor.flags=0, descriptor___0={338:0}, 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={340:0}, descriptor___0={338:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, last_index=0, ldv_func_arg1={163:0}, ldv_func_arg1={163:0}, ldv_func_arg2={4294967355:4294967322}, ldv_func_arg2={4294967355:4294967322}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, descriptor={340:0}, descriptor___0={338:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, descriptor={340:0}, descriptor___0={338:0}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, descriptor={340:0}, descriptor___0={338:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, card->usb_boot_state=175, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={169:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={169:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={169:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={169:0}, 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={169:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __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={4294967355:4294967322}, 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={169:0}, ref_cnt=0, set_impl={164:0}, size=184, tmp={169:0}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, arg0=0, arg1=208, last_index=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={169:0}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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)={169:0}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, card->rx_cmd.urb={169:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, add_remove_card_sem={166:0}, ctx={164:0}, 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] [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={4294967355:4294967322}, adapter={-18446744073709551615:0}, add_remove_card_sem={166:0}, card={4294967356:-32}, card->rx_cmd_ep=178, ctx={164:0}, ctx={164:0}, ctx->ep=181, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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=-10, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, adapter={-18446744073709551615:0}, add_remove_card_sem={166:0}, card={4294967356:-32}, ctx={164:0}, ctx={164:0}, 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={4294967355:4294967322}, adapter={-18446744073709551615:0}, add_remove_card_sem={166:0}, card={4294967356:-32}, ctx={164:0}, ctx={164:0}, 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={4294967355:4294967322}, adapter={-18446744073709551615:0}, add_remove_card_sem={166:0}, card={4294967356:-32}, ctx={164:0}, ctx={164:0}, 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] [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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={166:0}, card={164:-25}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={337:0}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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={4294967355:4294967322}, 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: 200.2s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 138.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 mSolverCounterUnknown, 10960 SdHoareTripleChecker+Valid, 131.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10088 mSDsluCounter, 69655 SdHoareTripleChecker+Invalid, 124.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57093 mSDsCounter, 6413 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25953 IncrementalHoareTripleChecker+Invalid, 32398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6413 mSolverCounterUnsat, 12562 mSDtfsCounter, 25953 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 993 GetRequests, 828 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6009occurred in iteration=8, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 6218 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 30.5s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 2396 NumberOfCodeBlocks, 2396 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2351 ConstructedInterpolants, 0 QuantifiedInterpolants, 4891 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4856 ConjunctsInSsa, 23 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 [2022-11-16 11:45:12,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:45:15,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:45:15,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:45:15,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:45:15,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:45:15,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:45:15,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:45:15,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:45:15,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:45:15,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:45:15,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:45:15,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:45:15,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:45:15,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:45:15,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:45:15,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:45:15,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:45:15,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:45:15,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:45:15,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:45:15,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:45:15,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:45:15,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:45:15,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:45:15,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:45:15,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:45:15,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:45:15,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:45:15,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:45:15,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:45:15,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:45:15,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:45:15,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:45:15,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:45:15,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:45:15,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:45:15,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:45:15,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:45:15,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:45:15,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:45:15,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:45:15,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:45:15,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:45:15,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:45:15,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:45:15,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:45:15,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:45:15,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:45:15,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:45:15,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:45:15,528 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:45:15,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:45:15,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:45:15,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:45:15,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:45:15,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:45:15,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:45:15,532 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:45:15,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:45:15,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:45:15,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:45:15,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:45:15,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:45:15,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:45:15,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:45:15,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:15,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:45:15,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:45:15,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:45:15,537 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:45:15,537 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:45:15,538 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:45:15,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:45:15,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:45:15,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:45:15,540 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-11-16 11:45:16,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:45:16,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:45:16,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:45:16,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:45:16,090 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:45:16,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/../../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 [2022-11-16 11:45:16,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/693a94090/7563c9e4943a4741a57cb9208a88cf3f/FLAG331a0f223 [2022-11-16 11:45:17,349 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:45:17,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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 [2022-11-16 11:45:17,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/693a94090/7563c9e4943a4741a57cb9208a88cf3f/FLAG331a0f223 [2022-11-16 11:45:17,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/data/693a94090/7563c9e4943a4741a57cb9208a88cf3f [2022-11-16 11:45:17,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:45:17,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:45:17,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:17,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:45:17,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:45:17,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dc2bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:17, skipping insertion in model container [2022-11-16 11:45:17,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:45:17" (1/1) ... [2022-11-16 11:45:17,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:45:17,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:45:19,135 WARN L229 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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] [2022-11-16 11:45:20,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:20,058 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 11:45:20,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:45:20,389 WARN L229 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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] [2022-11-16 11:45:20,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:20,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:45:20,963 WARN L229 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_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/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] [2022-11-16 11:45:21,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:45:21,374 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:45:21,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21 WrapperNode [2022-11-16 11:45:21,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:45:21,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:21,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:45:21,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:45:21,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,626 INFO L138 Inliner]: procedures = 172, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2247 [2022-11-16 11:45:21,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:45:21,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:45:21,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:45:21,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:45:21,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:45:21,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:45:21,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:45:21,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:45:21,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (1/1) ... [2022-11-16 11:45:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:45:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:45:21,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:45:22,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:45:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:45:22,070 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:45:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-11-16 11:45:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-11-16 11:45:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 11:45:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:45:22,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:45:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:45:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:45:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:45:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:45:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 11:45:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:45:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:45:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 11:45:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:45:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-16 11:45:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-16 11:45:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:45:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:45:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-16 11:45:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-16 11:45:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-16 11:45:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-16 11:45:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-11-16 11:45:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-11-16 11:45:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:45:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:45:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:45:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:45:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:45:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:45:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:45:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:45:22,078 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-11-16 11:45:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-11-16 11:45:22,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-11-16 11:45:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-11-16 11:45:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-16 11:45:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-16 11:45:22,080 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:45:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:45:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:45:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:45:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:45:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:45:22,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 11:45:22,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-16 11:45:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-16 11:45:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-16 11:45:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-16 11:45:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-16 11:45:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:45:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:45:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:45:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:45:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:45:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:45:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:45:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:45:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-16 11:45:22,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-16 11:45:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:45:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:45:22,090 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:45:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:45:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:45:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-16 11:45:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-16 11:45:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-16 11:45:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-11-16 11:45:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-11-16 11:45:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:45:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 11:45:22,093 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 11:45:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-16 11:45:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-16 11:45:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:45:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:45:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 11:45:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 11:45:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 11:45:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:45:22,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:45:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:45:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 11:45:22,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:45:22,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 11:45:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-16 11:45:22,099 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:45:22,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:45:22,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:45:22,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:45:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-16 11:45:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-11-16 11:45:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-11-16 11:45:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:45:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:45:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:45:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:45:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-16 11:45:22,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:45:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:45:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:45:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:45:22,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-11-16 11:45:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-11-16 11:45:22,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:45:22,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:45:23,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:45:44,343 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:45:44,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:45:44,359 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:45:44,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:44 BoogieIcfgContainer [2022-11-16 11:45:44,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:45:44,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:45:44,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:45:44,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:45:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:45:17" (1/3) ... [2022-11-16 11:45:44,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba79c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:44, skipping insertion in model container [2022-11-16 11:45:44,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:45:21" (2/3) ... [2022-11-16 11:45:44,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba79c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:45:44, skipping insertion in model container [2022-11-16 11:45:44,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:45:44" (3/3) ... [2022-11-16 11:45:44,375 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 [2022-11-16 11:45:44,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:45:44,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:45:44,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:45:44,494 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;@1bce3867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:45:44,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:45:44,510 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) [2022-11-16 11:45:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 11:45:44,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:44,539 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] [2022-11-16 11:45:44,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-11-16 11:45:44,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:45:44,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911326553] [2022-11-16 11:45:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:44,580 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 [2022-11-16 11:45:44,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:45:44,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:45:44,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:45,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:45:45,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:45:45,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:45,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:45:45,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911326553] [2022-11-16 11:45:45,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911326553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:45,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:45,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:45:45,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925436695] [2022-11-16 11:45:45,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:45,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:45:45,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:45:45,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:45:45,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:45:45,886 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) [2022-11-16 11:45:46,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:46,348 INFO L93 Difference]: Finished difference Result 1354 states and 1960 transitions. [2022-11-16 11:45:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:45:46,352 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 [2022-11-16 11:45:46,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:46,371 INFO L225 Difference]: With dead ends: 1354 [2022-11-16 11:45:46,371 INFO L226 Difference]: Without dead ends: 668 [2022-11-16 11:45:46,382 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 [2022-11-16 11:45:46,386 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, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:46,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2853 Invalid, 9 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:45:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-11-16 11:45:46,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2022-11-16 11:45:46,489 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) [2022-11-16 11:45:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 942 transitions. [2022-11-16 11:45:46,499 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 942 transitions. Word has length 45 [2022-11-16 11:45:46,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:46,501 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 942 transitions. [2022-11-16 11:45:46,501 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) [2022-11-16 11:45:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 942 transitions. [2022-11-16 11:45:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 11:45:46,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:46,506 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] [2022-11-16 11:45:46,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:46,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:46,730 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:46,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:46,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1712559836, now seen corresponding path program 1 times [2022-11-16 11:45:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:45:46,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193122531] [2022-11-16 11:45:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:46,733 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 [2022-11-16 11:45:46,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:45:46,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:45:46,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:47,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:45:47,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:45:47,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:45:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:45:48,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:45:48,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193122531] [2022-11-16 11:45:48,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193122531] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:45:48,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:45:48,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:45:48,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136022136] [2022-11-16 11:45:48,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:45:48,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:45:48,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:45:48,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:45:48,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:45:48,376 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) [2022-11-16 11:45:49,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:49,246 INFO L93 Difference]: Finished difference Result 1336 states and 1886 transitions. [2022-11-16 11:45:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:45:49,248 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 [2022-11-16 11:45:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:49,254 INFO L225 Difference]: With dead ends: 1336 [2022-11-16 11:45:49,259 INFO L226 Difference]: Without dead ends: 677 [2022-11-16 11:45:49,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:45:49,269 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:49,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3751 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:45:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-11-16 11:45:49,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-11-16 11:45:49,330 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) [2022-11-16 11:45:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 953 transitions. [2022-11-16 11:45:49,337 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 953 transitions. Word has length 46 [2022-11-16 11:45:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:49,338 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 953 transitions. [2022-11-16 11:45:49,338 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) [2022-11-16 11:45:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 953 transitions. [2022-11-16 11:45:49,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-16 11:45:49,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:49,341 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] [2022-11-16 11:45:49,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:49,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:49,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:49,572 INFO L85 PathProgramCache]: Analyzing trace with hash 728136240, now seen corresponding path program 2 times [2022-11-16 11:45:49,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:45:49,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521284534] [2022-11-16 11:45:49,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:45:49,575 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 [2022-11-16 11:45:49,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:45:49,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:45:49,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:50,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 11:45:50,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:45:50,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:45:50,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:45:50,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:50,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:45:50,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521284534] [2022-11-16 11:45:50,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521284534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:50,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:50,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:45:50,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992656326] [2022-11-16 11:45:50,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:50,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:45:50,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:45:50,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:45:50,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:45:50,507 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) [2022-11-16 11:45:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:51,334 INFO L93 Difference]: Finished difference Result 1955 states and 2762 transitions. [2022-11-16 11:45:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:45:51,337 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 [2022-11-16 11:45:51,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:51,351 INFO L225 Difference]: With dead ends: 1955 [2022-11-16 11:45:51,357 INFO L226 Difference]: Without dead ends: 1298 [2022-11-16 11:45:51,360 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 [2022-11-16 11:45:51,362 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 895 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:51,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1981 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 11:45:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2022-11-16 11:45:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2022-11-16 11:45:51,470 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) [2022-11-16 11:45:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1832 transitions. [2022-11-16 11:45:51,484 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1832 transitions. Word has length 49 [2022-11-16 11:45:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:51,485 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1832 transitions. [2022-11-16 11:45:51,486 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) [2022-11-16 11:45:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1832 transitions. [2022-11-16 11:45:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 11:45:51,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:51,495 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] [2022-11-16 11:45:51,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:51,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:51,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:51,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:51,710 INFO L85 PathProgramCache]: Analyzing trace with hash -602378178, now seen corresponding path program 1 times [2022-11-16 11:45:51,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:45:51,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180261688] [2022-11-16 11:45:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:51,713 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 [2022-11-16 11:45:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:45:51,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:45:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:53,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:45:53,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:45:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:45:53,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:45:53,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:45:53,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180261688] [2022-11-16 11:45:53,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180261688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:45:53,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:45:53,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:45:53,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573860238] [2022-11-16 11:45:53,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:45:53,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:45:53,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:45:53,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:45:53,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:45:53,384 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) [2022-11-16 11:45:55,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:45:57,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:45:57,630 INFO L93 Difference]: Finished difference Result 2925 states and 4194 transitions. [2022-11-16 11:45:57,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:45:57,632 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 [2022-11-16 11:45:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:45:57,654 INFO L225 Difference]: With dead ends: 2925 [2022-11-16 11:45:57,660 INFO L226 Difference]: Without dead ends: 1647 [2022-11-16 11:45:57,668 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 [2022-11-16 11:45:57,671 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 431 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:45:57,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 6729 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-16 11:45:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-11-16 11:45:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1298. [2022-11-16 11:45:57,804 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) [2022-11-16 11:45:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1831 transitions. [2022-11-16 11:45:57,816 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1831 transitions. Word has length 67 [2022-11-16 11:45:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:45:57,817 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1831 transitions. [2022-11-16 11:45:57,817 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) [2022-11-16 11:45:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1831 transitions. [2022-11-16 11:45:57,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-16 11:45:57,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:45:57,823 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] [2022-11-16 11:45:57,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:58,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:58,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:45:58,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:45:58,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1887150784, now seen corresponding path program 1 times [2022-11-16 11:45:58,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:45:58,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919849565] [2022-11-16 11:45:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:45:58,049 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 [2022-11-16 11:45:58,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:45:58,050 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:45:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:45:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:45:59,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:45:59,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:46:00,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:00,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:00,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919849565] [2022-11-16 11:46:00,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919849565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:00,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:00,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:00,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831597330] [2022-11-16 11:46:00,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:00,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:46:00,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:00,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:46:00,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:46:00,271 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) [2022-11-16 11:46:00,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:00,909 INFO L93 Difference]: Finished difference Result 3851 states and 5499 transitions. [2022-11-16 11:46:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:46:00,910 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 [2022-11-16 11:46:00,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:00,931 INFO L225 Difference]: With dead ends: 3851 [2022-11-16 11:46:00,935 INFO L226 Difference]: Without dead ends: 2563 [2022-11-16 11:46:00,942 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 [2022-11-16 11:46:00,943 INFO L413 NwaCegarLoop]: 1113 mSDtfsCounter, 895 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 4272 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:00,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 4272 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:46:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-11-16 11:46:01,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2563. [2022-11-16 11:46:01,123 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) [2022-11-16 11:46:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3648 transitions. [2022-11-16 11:46:01,144 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3648 transitions. Word has length 67 [2022-11-16 11:46:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:01,144 INFO L495 AbstractCegarLoop]: Abstraction has 2563 states and 3648 transitions. [2022-11-16 11:46:01,145 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) [2022-11-16 11:46:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3648 transitions. [2022-11-16 11:46:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 11:46:01,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:01,155 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] [2022-11-16 11:46:01,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:01,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:01,370 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:01,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash 510620113, now seen corresponding path program 1 times [2022-11-16 11:46:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:01,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473171201] [2022-11-16 11:46:01,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:01,374 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 [2022-11-16 11:46:01,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:01,376 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:01,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:02,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:46:02,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 11:46:03,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:03,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:03,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473171201] [2022-11-16 11:46:03,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473171201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:03,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:03,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:46:03,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247495048] [2022-11-16 11:46:03,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:03,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:03,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:03,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:03,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:03,018 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) [2022-11-16 11:46:05,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:05,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:05,471 INFO L93 Difference]: Finished difference Result 6763 states and 9544 transitions. [2022-11-16 11:46:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:05,472 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 [2022-11-16 11:46:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:05,504 INFO L225 Difference]: With dead ends: 6763 [2022-11-16 11:46:05,507 INFO L226 Difference]: Without dead ends: 4218 [2022-11-16 11:46:05,518 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 [2022-11-16 11:46:05,520 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 603 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:05,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1989 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 11:46:05,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-11-16 11:46:05,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 4205. [2022-11-16 11:46:05,823 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) [2022-11-16 11:46:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5902 transitions. [2022-11-16 11:46:05,850 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5902 transitions. Word has length 117 [2022-11-16 11:46:05,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:05,851 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 5902 transitions. [2022-11-16 11:46:05,851 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) [2022-11-16 11:46:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5902 transitions. [2022-11-16 11:46:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:46:05,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:05,869 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] [2022-11-16 11:46:05,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:06,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:06,095 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:06,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:06,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1507578268, now seen corresponding path program 1 times [2022-11-16 11:46:06,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:06,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892649246] [2022-11-16 11:46:06,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:06,097 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 [2022-11-16 11:46:06,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:06,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:06,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:07,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:46:07,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-16 11:46:07,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:07,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:07,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892649246] [2022-11-16 11:46:07,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892649246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:07,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:07,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:46:07,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516904563] [2022-11-16 11:46:07,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:07,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:07,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:07,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:07,728 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) [2022-11-16 11:46:08,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:08,341 INFO L93 Difference]: Finished difference Result 9818 states and 13766 transitions. [2022-11-16 11:46:08,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:08,342 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 [2022-11-16 11:46:08,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:08,386 INFO L225 Difference]: With dead ends: 9818 [2022-11-16 11:46:08,386 INFO L226 Difference]: Without dead ends: 5633 [2022-11-16 11:46:08,405 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 [2022-11-16 11:46:08,406 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 484 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-11-16 11:46:08,406 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] [2022-11-16 11:46:08,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2022-11-16 11:46:08,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5598. [2022-11-16 11:46:08,846 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) [2022-11-16 11:46:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 7845 transitions. [2022-11-16 11:46:08,877 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 7845 transitions. Word has length 134 [2022-11-16 11:46:08,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:08,877 INFO L495 AbstractCegarLoop]: Abstraction has 5598 states and 7845 transitions. [2022-11-16 11:46:08,878 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) [2022-11-16 11:46:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 7845 transitions. [2022-11-16 11:46:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 11:46:08,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:08,894 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] [2022-11-16 11:46:08,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:09,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:09,118 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1851568064, now seen corresponding path program 1 times [2022-11-16 11:46:09,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:09,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852511345] [2022-11-16 11:46:09,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:09,121 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 [2022-11-16 11:46:09,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:09,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:09,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:10,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:46:10,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-16 11:46:10,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:10,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:10,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852511345] [2022-11-16 11:46:10,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852511345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:10,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:10,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:10,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878166358] [2022-11-16 11:46:10,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:10,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:46:10,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:10,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:46:10,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:46:10,952 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) [2022-11-16 11:46:12,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:13,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:13,978 INFO L93 Difference]: Finished difference Result 8540 states and 11939 transitions. [2022-11-16 11:46:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:13,978 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 [2022-11-16 11:46:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:13,999 INFO L225 Difference]: With dead ends: 8540 [2022-11-16 11:46:13,999 INFO L226 Difference]: Without dead ends: 2963 [2022-11-16 11:46:14,020 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 [2022-11-16 11:46:14,021 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:14,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 11:46:14,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2022-11-16 11:46:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2875. [2022-11-16 11:46:14,213 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) [2022-11-16 11:46:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4012 transitions. [2022-11-16 11:46:14,238 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4012 transitions. Word has length 142 [2022-11-16 11:46:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:14,239 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4012 transitions. [2022-11-16 11:46:14,240 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) [2022-11-16 11:46:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4012 transitions. [2022-11-16 11:46:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-16 11:46:14,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:14,251 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] [2022-11-16 11:46:14,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:14,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:14,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1046565723, now seen corresponding path program 1 times [2022-11-16 11:46:14,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:14,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260979664] [2022-11-16 11:46:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:14,470 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 [2022-11-16 11:46:14,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:14,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:14,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:46:16,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-16 11:46:16,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:16,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:16,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260979664] [2022-11-16 11:46:16,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260979664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:16,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:16,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:46:16,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607387714] [2022-11-16 11:46:16,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:16,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:16,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:16,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:16,787 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) [2022-11-16 11:46:18,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:20,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:46:21,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:21,611 INFO L93 Difference]: Finished difference Result 5709 states and 7974 transitions. [2022-11-16 11:46:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:21,613 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 [2022-11-16 11:46:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:21,633 INFO L225 Difference]: With dead ends: 5709 [2022-11-16 11:46:21,634 INFO L226 Difference]: Without dead ends: 2880 [2022-11-16 11:46:21,645 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 [2022-11-16 11:46:21,646 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 419 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:21,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 4214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 11:46:21,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-11-16 11:46:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2875. [2022-11-16 11:46:21,845 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) [2022-11-16 11:46:21,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4010 transitions. [2022-11-16 11:46:21,858 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4010 transitions. Word has length 148 [2022-11-16 11:46:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:21,859 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4010 transitions. [2022-11-16 11:46:21,859 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) [2022-11-16 11:46:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4010 transitions. [2022-11-16 11:46:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-16 11:46:21,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:21,870 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] [2022-11-16 11:46:21,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:22,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:22,087 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:22,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash 829917095, now seen corresponding path program 1 times [2022-11-16 11:46:22,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:22,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550028697] [2022-11-16 11:46:22,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:22,090 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 [2022-11-16 11:46:22,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:22,093 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:24,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 11:46:24,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-16 11:46:24,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:24,586 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:24,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550028697] [2022-11-16 11:46:24,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550028697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:24,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:24,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:46:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648989453] [2022-11-16 11:46:24,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:24,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:46:24,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:24,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:46:24,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:46:24,589 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) [2022-11-16 11:46:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:25,086 INFO L93 Difference]: Finished difference Result 5736 states and 8025 transitions. [2022-11-16 11:46:25,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:46:25,088 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 [2022-11-16 11:46:25,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:25,105 INFO L225 Difference]: With dead ends: 5736 [2022-11-16 11:46:25,105 INFO L226 Difference]: Without dead ends: 2907 [2022-11-16 11:46:25,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:46:25,116 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 0 mSDsluCounter, 4667 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5603 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 [2022-11-16 11:46:25,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5603 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:46:25,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-11-16 11:46:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2903. [2022-11-16 11:46:25,310 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) [2022-11-16 11:46:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4060 transitions. [2022-11-16 11:46:25,323 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4060 transitions. Word has length 148 [2022-11-16 11:46:25,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:25,324 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4060 transitions. [2022-11-16 11:46:25,324 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) [2022-11-16 11:46:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4060 transitions. [2022-11-16 11:46:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-16 11:46:25,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:25,336 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] [2022-11-16 11:46:25,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:25,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:25,550 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:25,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:25,551 INFO L85 PathProgramCache]: Analyzing trace with hash 198615179, now seen corresponding path program 1 times [2022-11-16 11:46:25,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:25,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580866020] [2022-11-16 11:46:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:25,553 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 [2022-11-16 11:46:25,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:25,554 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:25,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:27,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:46:27,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:46:27,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:27,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:27,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580866020] [2022-11-16 11:46:27,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580866020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:27,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:27,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124532595] [2022-11-16 11:46:27,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:27,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:46:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:27,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:46:27,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:46:27,805 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) [2022-11-16 11:46:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:28,101 INFO L93 Difference]: Finished difference Result 5802 states and 8215 transitions. [2022-11-16 11:46:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:46:28,102 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 [2022-11-16 11:46:28,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:28,129 INFO L225 Difference]: With dead ends: 5802 [2022-11-16 11:46:28,135 INFO L226 Difference]: Without dead ends: 2945 [2022-11-16 11:46:28,146 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 [2022-11-16 11:46:28,147 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 [2022-11-16 11:46:28,148 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] [2022-11-16 11:46:28,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-11-16 11:46:28,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2933. [2022-11-16 11:46:28,339 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) [2022-11-16 11:46:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4094 transitions. [2022-11-16 11:46:28,352 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4094 transitions. Word has length 154 [2022-11-16 11:46:28,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:28,353 INFO L495 AbstractCegarLoop]: Abstraction has 2933 states and 4094 transitions. [2022-11-16 11:46:28,353 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) [2022-11-16 11:46:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4094 transitions. [2022-11-16 11:46:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-16 11:46:28,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:28,365 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] [2022-11-16 11:46:28,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:28,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:28,590 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 1 times [2022-11-16 11:46:28,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:28,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682549006] [2022-11-16 11:46:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:28,593 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 [2022-11-16 11:46:28,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:28,594 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:28,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:30,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 11:46:30,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-16 11:46:33,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:33,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:33,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682549006] [2022-11-16 11:46:33,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682549006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:33,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:33,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-11-16 11:46:33,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494705112] [2022-11-16 11:46:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:33,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 11:46:33,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 11:46:33,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:46:33,684 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) [2022-11-16 11:46:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:37,300 INFO L93 Difference]: Finished difference Result 5862 states and 8263 transitions. [2022-11-16 11:46:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 11:46:37,301 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 [2022-11-16 11:46:37,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:37,331 INFO L225 Difference]: With dead ends: 5862 [2022-11-16 11:46:37,331 INFO L226 Difference]: Without dead ends: 2975 [2022-11-16 11:46:37,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-11-16 11:46:37,344 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 16 mSDsluCounter, 16919 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 17865 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:37,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 17865 Invalid, 327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:46:37,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2022-11-16 11:46:37,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2022-11-16 11:46:37,516 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) [2022-11-16 11:46:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4122 transitions. [2022-11-16 11:46:37,529 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4122 transitions. Word has length 161 [2022-11-16 11:46:37,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:37,530 INFO L495 AbstractCegarLoop]: Abstraction has 2960 states and 4122 transitions. [2022-11-16 11:46:37,531 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) [2022-11-16 11:46:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4122 transitions. [2022-11-16 11:46:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-16 11:46:37,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:37,544 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] [2022-11-16 11:46:37,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:37,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:37,767 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:37,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1188259002, now seen corresponding path program 1 times [2022-11-16 11:46:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:37,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376510819] [2022-11-16 11:46:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:37,770 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 [2022-11-16 11:46:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:37,775 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:37,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:39,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:46:39,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-16 11:46:40,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:40,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:40,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376510819] [2022-11-16 11:46:40,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376510819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:40,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:40,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:46:40,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118462288] [2022-11-16 11:46:40,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:40,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:40,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:40,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:40,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:40,323 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) [2022-11-16 11:46:40,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:40,854 INFO L93 Difference]: Finished difference Result 6727 states and 9365 transitions. [2022-11-16 11:46:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:40,855 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 [2022-11-16 11:46:40,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:40,871 INFO L225 Difference]: With dead ends: 6727 [2022-11-16 11:46:40,871 INFO L226 Difference]: Without dead ends: 3813 [2022-11-16 11:46:40,879 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 [2022-11-16 11:46:40,880 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 [2022-11-16 11:46:40,880 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] [2022-11-16 11:46:40,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2022-11-16 11:46:41,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3782. [2022-11-16 11:46:41,094 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) [2022-11-16 11:46:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 5239 transitions. [2022-11-16 11:46:41,109 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 5239 transitions. Word has length 172 [2022-11-16 11:46:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:41,110 INFO L495 AbstractCegarLoop]: Abstraction has 3782 states and 5239 transitions. [2022-11-16 11:46:41,110 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) [2022-11-16 11:46:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 5239 transitions. [2022-11-16 11:46:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-16 11:46:41,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:41,120 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] [2022-11-16 11:46:41,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:41,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:41,342 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-11-16 11:46:41,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:41,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016616559] [2022-11-16 11:46:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:41,345 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 [2022-11-16 11:46:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:41,347 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:41,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:43,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-16 11:46:43,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:46:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-16 11:46:44,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:46:44,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:46:44,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016616559] [2022-11-16 11:46:44,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016616559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:44,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:44,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:46:44,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321566606] [2022-11-16 11:46:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:44,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:46:44,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:46:44,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:46:44,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:46:44,755 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) [2022-11-16 11:46:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:46:46,136 INFO L93 Difference]: Finished difference Result 7545 states and 10542 transitions. [2022-11-16 11:46:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:46:46,137 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 [2022-11-16 11:46:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:46:46,159 INFO L225 Difference]: With dead ends: 7545 [2022-11-16 11:46:46,159 INFO L226 Difference]: Without dead ends: 3809 [2022-11-16 11:46:46,174 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 [2022-11-16 11:46:46,175 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:46:46,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10345 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 11:46:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3809 states. [2022-11-16 11:46:46,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3809 to 3803. [2022-11-16 11:46:46,409 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) [2022-11-16 11:46:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 5261 transitions. [2022-11-16 11:46:46,428 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 5261 transitions. Word has length 169 [2022-11-16 11:46:46,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:46:46,429 INFO L495 AbstractCegarLoop]: Abstraction has 3803 states and 5261 transitions. [2022-11-16 11:46:46,429 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) [2022-11-16 11:46:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 5261 transitions. [2022-11-16 11:46:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:46:46,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:46:46,445 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] [2022-11-16 11:46:46,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:46,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:46:46,659 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:46:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:46,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-11-16 11:46:46,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:46:46,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23626080] [2022-11-16 11:46:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:46,662 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 [2022-11-16 11:46:46,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:46:46,665 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:46:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d911d7-9bf7-410b-bb11-9bd5b154fbaf/bin/uautomizer-tPACEb0tL8/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