./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--phy--dp83640.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:43:04,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:43:04,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:43:04,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:43:04,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:43:04,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:43:04,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:43:04,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:43:04,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:43:04,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:43:04,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:43:04,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:43:04,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:43:04,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:43:04,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:43:04,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:43:04,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:43:04,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:43:04,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:43:04,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:43:04,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:43:04,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:43:04,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:43:04,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:43:05,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:43:05,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:43:05,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:43:05,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:43:05,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:43:05,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:43:05,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:43:05,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:43:05,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:43:05,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:43:05,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:43:05,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:43:05,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:43:05,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:43:05,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:43:05,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:43:05,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:43:05,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:43:05,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:43:05,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:43:05,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:43:05,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:43:05,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:43:05,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:43:05,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:43:05,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:43:05,068 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:43:05,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:43:05,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:43:05,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:43:05,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:43:05,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:43:05,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:43:05,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:43:05,071 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:43:05,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:43:05,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:43:05,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:43:05,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:43:05,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:43:05,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:43:05,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:43:05,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:43:05,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:43:05,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:43:05,075 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:43:05,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:43:05,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:43:05,076 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_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-18 19:43:05,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:43:05,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:43:05,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:43:05,463 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:43:05,464 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:43:05,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-18 19:43:05,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/12063e67c/bfc3af81526b4ed3bf1e328d48536fce/FLAG0f0c858d5 [2022-11-18 19:43:06,414 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:43:06,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-18 19:43:06,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/12063e67c/bfc3af81526b4ed3bf1e328d48536fce/FLAG0f0c858d5 [2022-11-18 19:43:06,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/12063e67c/bfc3af81526b4ed3bf1e328d48536fce [2022-11-18 19:43:06,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:43:06,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:43:06,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:43:06,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:43:06,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:43:06,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:43:06" (1/1) ... [2022-11-18 19:43:06,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700d4903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:06, skipping insertion in model container [2022-11-18 19:43:06,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:43:06" (1/1) ... [2022-11-18 19:43:06,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:43:07,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:43:08,346 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-18 19:43:09,065 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 19:43:09,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:43:09,095 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:43:09,322 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-18 19:43:09,550 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-18 19:43:09,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:43:09,624 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:43:09,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09 WrapperNode [2022-11-18 19:43:09,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:43:09,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:43:09,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:43:09,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:43:09,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:09,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:09,895 INFO L138 Inliner]: procedures = 184, calls = 856, calls flagged for inlining = 74, calls inlined = 63, statements flattened = 2127 [2022-11-18 19:43:09,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:43:09,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:43:09,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:43:09,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:43:09,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:09,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:09,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:09,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:43:10,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:43:10,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:43:10,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:43:10,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (1/1) ... [2022-11-18 19:43:10,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:43:10,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:43:10,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:43:10,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:43:10,230 INFO L130 BoogieDeclarations]: Found specification of procedure broadcast_write [2022-11-18 19:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure broadcast_write [2022-11-18 19:43:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:43:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure genphy_config_aneg [2022-11-18 19:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure genphy_config_aneg [2022-11-18 19:43:10,231 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 19:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 19:43:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_put [2022-11-18 19:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_put [2022-11-18 19:43:10,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:43:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:43:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-18 19:43:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-18 19:43:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure phy2txts [2022-11-18 19:43:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure phy2txts [2022-11-18 19:43:10,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 19:43:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 19:43:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ts_info [2022-11-18 19:43:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ts_info [2022-11-18 19:43:10,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:43:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-18 19:43:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-18 19:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2022-11-18 19:43:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2022-11-18 19:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_intr [2022-11-18 19:43:10,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_intr [2022-11-18 19:43:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure tdr_write [2022-11-18 19:43:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tdr_write [2022-11-18 19:43:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 19:43:10,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 19:43:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:43:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure exts_chan_to_edata [2022-11-18 19:43:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure exts_chan_to_edata [2022-11-18 19:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_complete_tx_timestamp [2022-11-18 19:43:10,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_complete_tx_timestamp [2022-11-18 19:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-18 19:43:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-18 19:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 19:43:10,238 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 19:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 19:43:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 19:43:10,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:43:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:43:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_rxtstamp [2022-11-18 19:43:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_rxtstamp [2022-11-18 19:43:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:43:10,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:43:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2022-11-18 19:43:10,241 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2022-11-18 19:43:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:43:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:43:10,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:43:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:43:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:43:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure prune_rx_ts [2022-11-18 19:43:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure prune_rx_ts [2022-11-18 19:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:43:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 19:43:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 19:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_config_init [2022-11-18 19:43:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_config_init [2022-11-18 19:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:43:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:43:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 19:43:10,247 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-18 19:43:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-18 19:43:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 19:43:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 19:43:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 19:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 19:43:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 19:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 19:43:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 19:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:43:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:43:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:43:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:43:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure enable_status_frames [2022-11-18 19:43:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_status_frames [2022-11-18 19:43:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_hwtstamp [2022-11-18 19:43:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_hwtstamp [2022-11-18 19:43:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 19:43:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 19:43:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2022-11-18 19:43:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2022-11-18 19:43:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-18 19:43:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-18 19:43:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:43:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:43:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-18 19:43:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-18 19:43:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 19:43:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 19:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_clock_get [2022-11-18 19:43:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_clock_get [2022-11-18 19:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_ack_interrupt [2022-11-18 19:43:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_ack_interrupt [2022-11-18 19:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ext_read [2022-11-18 19:43:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_read [2022-11-18 19:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 19:43:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 19:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:43:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:43:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 19:43:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 19:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 19:43:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 19:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2022-11-18 19:43:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2022-11-18 19:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure dp83640_txtstamp [2022-11-18 19:43:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dp83640_txtstamp [2022-11-18 19:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure enable_broadcast [2022-11-18 19:43:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_broadcast [2022-11-18 19:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:43:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:43:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 19:43:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 19:43:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:43:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:43:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timespec [2022-11-18 19:43:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timespec [2022-11-18 19:43:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure ext_write [2022-11-18 19:43:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ext_write [2022-11-18 19:43:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 19:43:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 19:43:10,984 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:43:10,987 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:43:11,516 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:43:13,662 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:43:13,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:43:13,694 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 19:43:13,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:13 BoogieIcfgContainer [2022-11-18 19:43:13,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:43:13,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:43:13,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:43:13,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:43:13,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:43:06" (1/3) ... [2022-11-18 19:43:13,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b18497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:13, skipping insertion in model container [2022-11-18 19:43:13,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:43:09" (2/3) ... [2022-11-18 19:43:13,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b18497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:43:13, skipping insertion in model container [2022-11-18 19:43:13,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:13" (3/3) ... [2022-11-18 19:43:13,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-18 19:43:13,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:43:13,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:43:13,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:43:13,918 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;@421f3415, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:43:13,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:43:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 855 states, 600 states have (on average 1.34) internal successors, (804), 617 states have internal predecessors, (804), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) [2022-11-18 19:43:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 19:43:13,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:13,957 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 19:43:13,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:13,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 131899086, now seen corresponding path program 1 times [2022-11-18 19:43:13,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:13,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531620046] [2022-11-18 19:43:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 19:43:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:14,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531620046] [2022-11-18 19:43:14,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531620046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:14,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:14,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:43:14,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450572978] [2022-11-18 19:43:14,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:14,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:43:14,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:14,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:43:14,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:43:14,700 INFO L87 Difference]: Start difference. First operand has 855 states, 600 states have (on average 1.34) internal successors, (804), 617 states have internal predecessors, (804), 193 states have call successors, (193), 61 states have call predecessors, (193), 60 states have return successors, (190), 189 states have call predecessors, (190), 190 states have call successors, (190) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:43:20,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:21,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:21,556 INFO L93 Difference]: Finished difference Result 2727 states and 3982 transitions. [2022-11-18 19:43:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:43:21,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-18 19:43:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:21,596 INFO L225 Difference]: With dead ends: 2727 [2022-11-18 19:43:21,596 INFO L226 Difference]: Without dead ends: 1831 [2022-11-18 19:43:21,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:43:21,616 INFO L413 NwaCegarLoop]: 994 mSDtfsCounter, 1748 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 2740 mSolverCounterSat, 543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 543 IncrementalHoareTripleChecker+Valid, 2740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:21,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1902 Valid, 3642 Invalid, 3283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [543 Valid, 2740 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-18 19:43:21,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2022-11-18 19:43:21,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1659. [2022-11-18 19:43:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1169 states have (on average 1.320786997433704) internal successors, (1544), 1194 states have internal predecessors, (1544), 370 states have call successors, (370), 118 states have call predecessors, (370), 119 states have return successors, (383), 368 states have call predecessors, (383), 369 states have call successors, (383) [2022-11-18 19:43:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2297 transitions. [2022-11-18 19:43:21,873 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2297 transitions. Word has length 32 [2022-11-18 19:43:21,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:21,874 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 2297 transitions. [2022-11-18 19:43:21,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 19:43:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2297 transitions. [2022-11-18 19:43:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 19:43:21,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:21,884 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 19:43:21,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:43:21,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:21,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:21,885 INFO L85 PathProgramCache]: Analyzing trace with hash 893231862, now seen corresponding path program 1 times [2022-11-18 19:43:21,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:21,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382403615] [2022-11-18 19:43:21,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:21,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 19:43:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 19:43:22,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:22,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382403615] [2022-11-18 19:43:22,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382403615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:22,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:22,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:43:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915760122] [2022-11-18 19:43:22,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:22,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:43:22,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:22,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:43:22,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:43:22,139 INFO L87 Difference]: Start difference. First operand 1659 states and 2297 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:43:27,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:28,623 INFO L93 Difference]: Finished difference Result 3721 states and 5304 transitions. [2022-11-18 19:43:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:43:28,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 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 77 [2022-11-18 19:43:28,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:28,641 INFO L225 Difference]: With dead ends: 3721 [2022-11-18 19:43:28,642 INFO L226 Difference]: Without dead ends: 2070 [2022-11-18 19:43:28,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:43:28,651 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1179 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 2811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:28,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1242 Valid, 2022 Invalid, 2811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-18 19:43:28,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2022-11-18 19:43:28,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 1765. [2022-11-18 19:43:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1251 states have (on average 1.3205435651478816) internal successors, (1652), 1279 states have internal predecessors, (1652), 382 states have call successors, (382), 127 states have call predecessors, (382), 131 states have return successors, (401), 380 states have call predecessors, (401), 381 states have call successors, (401) [2022-11-18 19:43:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2435 transitions. [2022-11-18 19:43:28,837 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2435 transitions. Word has length 77 [2022-11-18 19:43:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:28,837 INFO L495 AbstractCegarLoop]: Abstraction has 1765 states and 2435 transitions. [2022-11-18 19:43:28,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (7), 5 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:43:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2435 transitions. [2022-11-18 19:43:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 19:43:28,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:28,844 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-18 19:43:28,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:43:28,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:28,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:28,846 INFO L85 PathProgramCache]: Analyzing trace with hash -708696365, now seen corresponding path program 1 times [2022-11-18 19:43:28,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:28,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599833941] [2022-11-18 19:43:28,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:28,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:43:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:43:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:43:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 19:43:29,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:29,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599833941] [2022-11-18 19:43:29,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599833941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:29,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:29,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:43:29,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975791596] [2022-11-18 19:43:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:29,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:43:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:43:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:43:29,153 INFO L87 Difference]: Start difference. First operand 1765 states and 2435 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:43:35,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:37,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:37,864 INFO L93 Difference]: Finished difference Result 5393 states and 7719 transitions. [2022-11-18 19:43:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:43:37,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2022-11-18 19:43:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:37,895 INFO L225 Difference]: With dead ends: 5393 [2022-11-18 19:43:37,895 INFO L226 Difference]: Without dead ends: 3657 [2022-11-18 19:43:37,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:43:37,910 INFO L413 NwaCegarLoop]: 849 mSDtfsCounter, 2910 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 1547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 1992 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1547 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:37,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3071 Valid, 1992 Invalid, 3975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1547 Valid, 2428 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-18 19:43:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3657 states. [2022-11-18 19:43:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3657 to 3072. [2022-11-18 19:43:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 2198 states have (on average 1.3139217470427662) internal successors, (2888), 2240 states have internal predecessors, (2888), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-18 19:43:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4175 transitions. [2022-11-18 19:43:38,139 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4175 transitions. Word has length 101 [2022-11-18 19:43:38,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:38,139 INFO L495 AbstractCegarLoop]: Abstraction has 3072 states and 4175 transitions. [2022-11-18 19:43:38,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:43:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4175 transitions. [2022-11-18 19:43:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 19:43:38,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:38,146 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-18 19:43:38,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:43:38,147 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:38,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:38,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1241999539, now seen corresponding path program 1 times [2022-11-18 19:43:38,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:38,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326375770] [2022-11-18 19:43:38,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:38,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:43:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:43:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:43:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-18 19:43:38,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:38,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326375770] [2022-11-18 19:43:38,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326375770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:38,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:38,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:43:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519464772] [2022-11-18 19:43:38,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:38,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:43:38,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:38,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:43:38,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:43:38,506 INFO L87 Difference]: Start difference. First operand 3072 states and 4175 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-18 19:43:43,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:45,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:46,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:46,748 INFO L93 Difference]: Finished difference Result 5249 states and 7465 transitions. [2022-11-18 19:43:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:43:46,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 101 [2022-11-18 19:43:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:46,772 INFO L225 Difference]: With dead ends: 5249 [2022-11-18 19:43:46,773 INFO L226 Difference]: Without dead ends: 3652 [2022-11-18 19:43:46,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:43:46,780 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 432 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 2381 mSolverCounterSat, 239 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 2381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:46,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2259 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 2381 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-18 19:43:46,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2022-11-18 19:43:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3076. [2022-11-18 19:43:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2202 states have (on average 1.3133514986376023) internal successors, (2892), 2244 states have internal predecessors, (2892), 630 states have call successors, (630), 234 states have call predecessors, (630), 243 states have return successors, (657), 627 states have call predecessors, (657), 629 states have call successors, (657) [2022-11-18 19:43:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4179 transitions. [2022-11-18 19:43:46,994 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4179 transitions. Word has length 101 [2022-11-18 19:43:46,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:46,995 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 4179 transitions. [2022-11-18 19:43:46,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-18 19:43:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4179 transitions. [2022-11-18 19:43:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-18 19:43:47,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:47,007 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-18 19:43:47,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:43:47,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:47,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash 114965874, now seen corresponding path program 1 times [2022-11-18 19:43:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:47,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251098431] [2022-11-18 19:43:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:43:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:43:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:43:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-18 19:43:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:47,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251098431] [2022-11-18 19:43:47,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251098431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:47,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:47,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:43:47,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928311040] [2022-11-18 19:43:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:47,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:43:47,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:47,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:43:47,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:43:47,924 INFO L87 Difference]: Start difference. First operand 3076 states and 4179 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:43:58,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:02,862 INFO L93 Difference]: Finished difference Result 7477 states and 10542 transitions. [2022-11-18 19:44:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:44:02,863 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) Word has length 103 [2022-11-18 19:44:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:02,889 INFO L225 Difference]: With dead ends: 7477 [2022-11-18 19:44:02,890 INFO L226 Difference]: Without dead ends: 4430 [2022-11-18 19:44:02,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:44:02,902 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 2578 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 9399 mSolverCounterSat, 1162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 10561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 9399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:02,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 4441 Invalid, 10561 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1162 Valid, 9399 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-11-18 19:44:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2022-11-18 19:44:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 3684. [2022-11-18 19:44:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3684 states, 2650 states have (on average 1.3124528301886793) internal successors, (3478), 2700 states have internal predecessors, (3478), 752 states have call successors, (752), 276 states have call predecessors, (752), 281 states have return successors, (777), 745 states have call predecessors, (777), 751 states have call successors, (777) [2022-11-18 19:44:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 5007 transitions. [2022-11-18 19:44:03,149 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 5007 transitions. Word has length 103 [2022-11-18 19:44:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:03,150 INFO L495 AbstractCegarLoop]: Abstraction has 3684 states and 5007 transitions. [2022-11-18 19:44:03,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:44:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 5007 transitions. [2022-11-18 19:44:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-18 19:44:03,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:03,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-18 19:44:03,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:44:03,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:03,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:03,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2036227530, now seen corresponding path program 1 times [2022-11-18 19:44:03,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:03,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843633245] [2022-11-18 19:44:03,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:03,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:44:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:04,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 19:44:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 19:44:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:04,100 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-18 19:44:04,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:04,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843633245] [2022-11-18 19:44:04,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843633245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:04,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:04,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:44:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646867539] [2022-11-18 19:44:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:04,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:44:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:44:04,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:44:04,104 INFO L87 Difference]: Start difference. First operand 3684 states and 5007 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:44:10,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:11,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:11,788 INFO L93 Difference]: Finished difference Result 7999 states and 11267 transitions. [2022-11-18 19:44:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:44:11,788 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 132 [2022-11-18 19:44:11,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:11,854 INFO L225 Difference]: With dead ends: 7999 [2022-11-18 19:44:11,854 INFO L226 Difference]: Without dead ends: 4344 [2022-11-18 19:44:11,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:44:11,872 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 420 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 3649 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 3890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 3649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:11,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 3429 Invalid, 3890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 3649 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-18 19:44:11,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2022-11-18 19:44:12,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 3712. [2022-11-18 19:44:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3712 states, 2670 states have (on average 1.3101123595505617) internal successors, (3498), 2722 states have internal predecessors, (3498), 752 states have call successors, (752), 276 states have call predecessors, (752), 289 states have return successors, (789), 751 states have call predecessors, (789), 751 states have call successors, (789) [2022-11-18 19:44:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3712 states and 5039 transitions. [2022-11-18 19:44:12,130 INFO L78 Accepts]: Start accepts. Automaton has 3712 states and 5039 transitions. Word has length 132 [2022-11-18 19:44:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:12,131 INFO L495 AbstractCegarLoop]: Abstraction has 3712 states and 5039 transitions. [2022-11-18 19:44:12,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (12), 5 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 19:44:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3712 states and 5039 transitions. [2022-11-18 19:44:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-18 19:44:12,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:12,140 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 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] [2022-11-18 19:44:12,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:44:12,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:12,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:12,141 INFO L85 PathProgramCache]: Analyzing trace with hash 7329712, now seen corresponding path program 1 times [2022-11-18 19:44:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:12,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445834867] [2022-11-18 19:44:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:12,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:44:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:44:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:44:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:44:12,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:12,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445834867] [2022-11-18 19:44:12,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445834867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:12,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:12,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:44:12,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644955042] [2022-11-18 19:44:12,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:12,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:44:12,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:12,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:44:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:12,678 INFO L87 Difference]: Start difference. First operand 3712 states and 5039 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:44:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:16,855 INFO L93 Difference]: Finished difference Result 8008 states and 11202 transitions. [2022-11-18 19:44:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:44:16,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 153 [2022-11-18 19:44:16,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:16,881 INFO L225 Difference]: With dead ends: 8008 [2022-11-18 19:44:16,881 INFO L226 Difference]: Without dead ends: 4312 [2022-11-18 19:44:16,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:44:16,895 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 1805 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:16,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1934 Valid, 1465 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-18 19:44:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-11-18 19:44:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 3688. [2022-11-18 19:44:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 2648 states have (on average 1.3055135951661632) internal successors, (3457), 2700 states have internal predecessors, (3457), 750 states have call successors, (750), 276 states have call predecessors, (750), 289 states have return successors, (785), 749 states have call predecessors, (785), 749 states have call successors, (785) [2022-11-18 19:44:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 4992 transitions. [2022-11-18 19:44:17,167 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 4992 transitions. Word has length 153 [2022-11-18 19:44:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:17,168 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 4992 transitions. [2022-11-18 19:44:17,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:44:17,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4992 transitions. [2022-11-18 19:44:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 19:44:17,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:17,178 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:17,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:44:17,178 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1212470307, now seen corresponding path program 1 times [2022-11-18 19:44:17,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:17,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493997946] [2022-11-18 19:44:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:17,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:44:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:44:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:44:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 19:44:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:44:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-18 19:44:18,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:18,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493997946] [2022-11-18 19:44:18,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493997946] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:44:18,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804365129] [2022-11-18 19:44:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:18,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:44:18,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:44:18,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:44:18,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:44:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:19,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 19:44:19,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:44:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 19:44:19,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:44:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-18 19:44:20,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804365129] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:44:20,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:44:20,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12, 8] total 22 [2022-11-18 19:44:20,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165929135] [2022-11-18 19:44:20,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:20,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:44:20,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:20,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:44:20,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:44:20,604 INFO L87 Difference]: Start difference. First operand 3688 states and 4992 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-18 19:44:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:27,459 INFO L93 Difference]: Finished difference Result 8616 states and 11915 transitions. [2022-11-18 19:44:27,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 19:44:27,460 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 161 [2022-11-18 19:44:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:27,494 INFO L225 Difference]: With dead ends: 8616 [2022-11-18 19:44:27,494 INFO L226 Difference]: Without dead ends: 6400 [2022-11-18 19:44:27,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 341 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=673, Unknown=0, NotChecked=0, Total=870 [2022-11-18 19:44:27,508 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 4529 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 4453 mSolverCounterSat, 2137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4661 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 6590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2137 IncrementalHoareTripleChecker+Valid, 4453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:27,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4661 Valid, 3177 Invalid, 6590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2137 Valid, 4453 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-18 19:44:27,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2022-11-18 19:44:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 5366. [2022-11-18 19:44:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5366 states, 3843 states have (on average 1.3065313557116836) internal successors, (5021), 3926 states have internal predecessors, (5021), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:44:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 5366 states and 7313 transitions. [2022-11-18 19:44:27,991 INFO L78 Accepts]: Start accepts. Automaton has 5366 states and 7313 transitions. Word has length 161 [2022-11-18 19:44:27,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:27,992 INFO L495 AbstractCegarLoop]: Abstraction has 5366 states and 7313 transitions. [2022-11-18 19:44:27,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-18 19:44:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 5366 states and 7313 transitions. [2022-11-18 19:44:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-18 19:44:28,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:28,006 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:28,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 19:44:28,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 19:44:28,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:28,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1462153730, now seen corresponding path program 1 times [2022-11-18 19:44:28,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:28,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880470968] [2022-11-18 19:44:28,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:28,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:44:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:44:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:44:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 19:44:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-18 19:44:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:28,849 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 19:44:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:28,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880470968] [2022-11-18 19:44:28,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880470968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:28,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:28,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:44:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115057099] [2022-11-18 19:44:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:28,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:44:28,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:44:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:44:28,853 INFO L87 Difference]: Start difference. First operand 5366 states and 7313 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:33,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:35,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:35,701 INFO L93 Difference]: Finished difference Result 10159 states and 14400 transitions. [2022-11-18 19:44:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:44:35,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 163 [2022-11-18 19:44:35,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:35,740 INFO L225 Difference]: With dead ends: 10159 [2022-11-18 19:44:35,741 INFO L226 Difference]: Without dead ends: 6265 [2022-11-18 19:44:35,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:44:35,760 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 751 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 505 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:35,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 2561 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [505 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-18 19:44:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-11-18 19:44:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5364. [2022-11-18 19:44:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5364 states, 3841 states have (on average 1.3056495704243687) internal successors, (5015), 3924 states have internal predecessors, (5015), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:44:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5364 states to 5364 states and 7307 transitions. [2022-11-18 19:44:36,311 INFO L78 Accepts]: Start accepts. Automaton has 5364 states and 7307 transitions. Word has length 163 [2022-11-18 19:44:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:36,312 INFO L495 AbstractCegarLoop]: Abstraction has 5364 states and 7307 transitions. [2022-11-18 19:44:36,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5364 states and 7307 transitions. [2022-11-18 19:44:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-18 19:44:36,323 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:36,323 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:36,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:44:36,324 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash -375361403, now seen corresponding path program 1 times [2022-11-18 19:44:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:36,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735442230] [2022-11-18 19:44:36,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:36,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:44:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:44:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:44:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 19:44:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:44:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 19:44:37,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:37,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735442230] [2022-11-18 19:44:37,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735442230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:37,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:37,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:44:37,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048717639] [2022-11-18 19:44:37,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:37,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:44:37,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:37,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:44:37,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:44:37,141 INFO L87 Difference]: Start difference. First operand 5364 states and 7307 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:42,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:44,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:44,098 INFO L93 Difference]: Finished difference Result 11617 states and 16363 transitions. [2022-11-18 19:44:44,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:44:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2022-11-18 19:44:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:44,121 INFO L225 Difference]: With dead ends: 11617 [2022-11-18 19:44:44,121 INFO L226 Difference]: Without dead ends: 6305 [2022-11-18 19:44:44,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:44:44,139 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 733 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 514 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 3067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:44,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 2558 Invalid, 3067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 2552 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-18 19:44:44,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2022-11-18 19:44:44,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 5376. [2022-11-18 19:44:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 3853 states have (on average 1.304697638203997) internal successors, (5027), 3936 states have internal predecessors, (5027), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:44:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 7319 transitions. [2022-11-18 19:44:44,491 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 7319 transitions. Word has length 165 [2022-11-18 19:44:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:44,491 INFO L495 AbstractCegarLoop]: Abstraction has 5376 states and 7319 transitions. [2022-11-18 19:44:44,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 7319 transitions. [2022-11-18 19:44:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-18 19:44:44,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:44,502 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:44,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:44:44,503 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:44,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1137594617, now seen corresponding path program 1 times [2022-11-18 19:44:44,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:44,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050410235] [2022-11-18 19:44:44,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:44,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:44,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:44:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 19:44:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:44:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 19:44:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 19:44:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:44:45,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:45,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050410235] [2022-11-18 19:44:45,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050410235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:45,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:45,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:44:45,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644076534] [2022-11-18 19:44:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:45,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:44:45,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:45,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:44:45,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:45,230 INFO L87 Difference]: Start difference. First operand 5376 states and 7319 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:50,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:51,745 INFO L93 Difference]: Finished difference Result 11787 states and 16643 transitions. [2022-11-18 19:44:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:44:51,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-11-18 19:44:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:51,775 INFO L225 Difference]: With dead ends: 11787 [2022-11-18 19:44:51,775 INFO L226 Difference]: Without dead ends: 6463 [2022-11-18 19:44:51,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:44:51,793 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 740 mSDsluCounter, 1265 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:51,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1991 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1948 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-18 19:44:51,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6463 states. [2022-11-18 19:44:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6463 to 5424. [2022-11-18 19:44:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5424 states, 3901 states have (on average 1.3009484747500641) internal successors, (5075), 3984 states have internal predecessors, (5075), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:44:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5424 states to 5424 states and 7367 transitions. [2022-11-18 19:44:52,295 INFO L78 Accepts]: Start accepts. Automaton has 5424 states and 7367 transitions. Word has length 166 [2022-11-18 19:44:52,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:52,295 INFO L495 AbstractCegarLoop]: Abstraction has 5424 states and 7367 transitions. [2022-11-18 19:44:52,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5424 states and 7367 transitions. [2022-11-18 19:44:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-18 19:44:52,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:52,305 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:52,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:44:52,306 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash -244484026, now seen corresponding path program 1 times [2022-11-18 19:44:52,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:52,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134870548] [2022-11-18 19:44:52,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:44:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:44:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:44:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:44:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 19:44:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:44:52,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:52,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134870548] [2022-11-18 19:44:52,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134870548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:52,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:52,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:44:52,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388239072] [2022-11-18 19:44:52,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:52,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:44:52,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:44:52,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:52,690 INFO L87 Difference]: Start difference. First operand 5424 states and 7367 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:44:58,820 INFO L93 Difference]: Finished difference Result 11847 states and 16663 transitions. [2022-11-18 19:44:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:44:58,821 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 167 [2022-11-18 19:44:58,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:44:58,848 INFO L225 Difference]: With dead ends: 11847 [2022-11-18 19:44:58,848 INFO L226 Difference]: Without dead ends: 6475 [2022-11-18 19:44:58,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:44:58,866 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 749 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 2013 SdHoareTripleChecker+Invalid, 2549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:44:58,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 2013 Invalid, 2549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-18 19:44:58,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2022-11-18 19:44:59,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 5436. [2022-11-18 19:44:59,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5436 states, 3913 states have (on average 1.3000255558395093) internal successors, (5087), 3996 states have internal predecessors, (5087), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:44:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 7379 transitions. [2022-11-18 19:44:59,418 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 7379 transitions. Word has length 167 [2022-11-18 19:44:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:44:59,419 INFO L495 AbstractCegarLoop]: Abstraction has 5436 states and 7379 transitions. [2022-11-18 19:44:59,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:44:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 7379 transitions. [2022-11-18 19:44:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-18 19:44:59,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:44:59,433 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:44:59,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:44:59,434 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:44:59,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:44:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1270921182, now seen corresponding path program 1 times [2022-11-18 19:44:59,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:44:59,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578509284] [2022-11-18 19:44:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:44:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:44:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:44:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:44:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:44:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:44:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:44:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:44:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:44:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:44:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:44:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 19:44:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:44:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:44:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:44:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:44:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:44:59,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:44:59,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578509284] [2022-11-18 19:44:59,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578509284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:44:59,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:44:59,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:44:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420819390] [2022-11-18 19:44:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:44:59,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:44:59,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:44:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:44:59,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:44:59,901 INFO L87 Difference]: Start difference. First operand 5436 states and 7379 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:45:06,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:08,307 INFO L93 Difference]: Finished difference Result 11897 states and 16733 transitions. [2022-11-18 19:45:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:45:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 168 [2022-11-18 19:45:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:08,337 INFO L225 Difference]: With dead ends: 11897 [2022-11-18 19:45:08,337 INFO L226 Difference]: Without dead ends: 6513 [2022-11-18 19:45:08,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:45:08,354 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 438 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:08,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 2241 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 2428 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-18 19:45:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6513 states. [2022-11-18 19:45:08,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6513 to 5464. [2022-11-18 19:45:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 3941 states have (on average 1.3014463334179143) internal successors, (5129), 4024 states have internal predecessors, (5129), 1100 states have call successors, (1100), 389 states have call predecessors, (1100), 422 states have return successors, (1192), 1105 states have call predecessors, (1192), 1099 states have call successors, (1192) [2022-11-18 19:45:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 7421 transitions. [2022-11-18 19:45:08,880 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 7421 transitions. Word has length 168 [2022-11-18 19:45:08,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:45:08,881 INFO L495 AbstractCegarLoop]: Abstraction has 5464 states and 7421 transitions. [2022-11-18 19:45:08,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:45:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 7421 transitions. [2022-11-18 19:45:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-18 19:45:08,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:45:08,892 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:45:08,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:45:08,892 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:45:08,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:45:08,893 INFO L85 PathProgramCache]: Analyzing trace with hash -635482084, now seen corresponding path program 1 times [2022-11-18 19:45:08,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:45:08,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885105086] [2022-11-18 19:45:08,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:08,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:45:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:45:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:45:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:45:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:45:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:45:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:45:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:45:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:45:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:45:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:45:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:45:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 19:45:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:45:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:45:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:21,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:45:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-18 19:45:21,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:45:21,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885105086] [2022-11-18 19:45:21,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885105086] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:45:21,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405620547] [2022-11-18 19:45:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:45:21,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:45:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:45:21,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:45:21,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:45:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:45:22,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 19:45:22,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:45:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 19:45:22,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:45:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 19:45:24,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405620547] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:45:24,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:45:24,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 14, 12] total 50 [2022-11-18 19:45:24,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523597191] [2022-11-18 19:45:24,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:45:24,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-18 19:45:24,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:45:24,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-18 19:45:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2323, Unknown=0, NotChecked=0, Total=2450 [2022-11-18 19:45:24,384 INFO L87 Difference]: Start difference. First operand 5464 states and 7421 transitions. Second operand has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-18 19:46:13,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:15,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:16,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:18,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:20,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:24,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:25,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:27,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:29,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:48,351 INFO L93 Difference]: Finished difference Result 15249 states and 21811 transitions. [2022-11-18 19:46:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-11-18 19:46:48,352 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) Word has length 168 [2022-11-18 19:46:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:48,390 INFO L225 Difference]: With dead ends: 15249 [2022-11-18 19:46:48,391 INFO L226 Difference]: Without dead ends: 9814 [2022-11-18 19:46:48,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4024 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1041, Invalid=15471, Unknown=0, NotChecked=0, Total=16512 [2022-11-18 19:46:48,412 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 5545 mSDsluCounter, 20667 mSDsCounter, 0 mSdLazyCounter, 41737 mSolverCounterSat, 3007 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5642 SdHoareTripleChecker+Valid, 21556 SdHoareTripleChecker+Invalid, 44745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3007 IncrementalHoareTripleChecker+Valid, 41737 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:48,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5642 Valid, 21556 Invalid, 44745 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3007 Valid, 41737 Invalid, 1 Unknown, 0 Unchecked, 74.4s Time] [2022-11-18 19:46:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9814 states. [2022-11-18 19:46:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9814 to 6422. [2022-11-18 19:46:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 4642 states have (on average 1.2981473502800518) internal successors, (6026), 4750 states have internal predecessors, (6026), 1268 states have call successors, (1268), 460 states have call predecessors, (1268), 511 states have return successors, (1476), 1270 states have call predecessors, (1476), 1267 states have call successors, (1476) [2022-11-18 19:46:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 8770 transitions. [2022-11-18 19:46:49,312 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 8770 transitions. Word has length 168 [2022-11-18 19:46:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:46:49,313 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 8770 transitions. [2022-11-18 19:46:49,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 45 states have (on average 5.155555555555556) internal successors, (232), 39 states have internal predecessors, (232), 13 states have call successors, (37), 5 states have call predecessors, (37), 12 states have return successors, (37), 16 states have call predecessors, (37), 13 states have call successors, (37) [2022-11-18 19:46:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 8770 transitions. [2022-11-18 19:46:49,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 19:46:49,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:46:49,330 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:46:49,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:46:49,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 19:46:49,540 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:46:49,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:46:49,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1373179424, now seen corresponding path program 1 times [2022-11-18 19:46:49,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:46:49,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869223906] [2022-11-18 19:46:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:46:49,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:46:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:46:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:46:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:46:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:46:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:46:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:46:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:46:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:46:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:46:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:46:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:46:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:46:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:46:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:46:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:46:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:46:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:46:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 19:46:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:46:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:46:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:46:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 19:46:50,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:46:50,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869223906] [2022-11-18 19:46:50,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869223906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:46:50,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:46:50,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:46:50,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291130823] [2022-11-18 19:46:50,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:46:50,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:46:50,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:46:50,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:46:50,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:46:50,071 INFO L87 Difference]: Start difference. First operand 6422 states and 8770 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 19:46:55,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:57,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:46:59,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:46:59,318 INFO L93 Difference]: Finished difference Result 12934 states and 18114 transitions. [2022-11-18 19:46:59,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:46:59,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-18 19:46:59,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:46:59,359 INFO L225 Difference]: With dead ends: 12934 [2022-11-18 19:46:59,360 INFO L226 Difference]: Without dead ends: 7407 [2022-11-18 19:46:59,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:46:59,381 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 574 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 281 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 3079 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:46:59,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 3079 Invalid, 3069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 2787 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-18 19:46:59,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7407 states. [2022-11-18 19:47:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7407 to 6458. [2022-11-18 19:47:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6458 states, 4669 states have (on average 1.2989933604626258) internal successors, (6065), 4777 states have internal predecessors, (6065), 1274 states have call successors, (1274), 463 states have call predecessors, (1274), 514 states have return successors, (1482), 1276 states have call predecessors, (1482), 1273 states have call successors, (1482) [2022-11-18 19:47:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 8821 transitions. [2022-11-18 19:47:00,218 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 8821 transitions. Word has length 208 [2022-11-18 19:47:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:00,218 INFO L495 AbstractCegarLoop]: Abstraction has 6458 states and 8821 transitions. [2022-11-18 19:47:00,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 19:47:00,219 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 8821 transitions. [2022-11-18 19:47:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 19:47:00,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:00,235 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:00,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:47:00,236 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:00,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:00,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1217198882, now seen corresponding path program 1 times [2022-11-18 19:47:00,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:00,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826607946] [2022-11-18 19:47:00,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:00,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:47:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:47:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:47:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:47:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:47:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:47:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:47:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:47:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 19:47:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:47:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:47:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-18 19:47:00,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:00,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826607946] [2022-11-18 19:47:00,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826607946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:00,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:00,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:47:00,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939689809] [2022-11-18 19:47:00,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:00,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:47:00,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:00,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:47:00,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:47:00,721 INFO L87 Difference]: Start difference. First operand 6458 states and 8821 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 19:47:05,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:07,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:07,052 INFO L93 Difference]: Finished difference Result 13838 states and 19887 transitions. [2022-11-18 19:47:07,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:47:07,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-18 19:47:07,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:07,087 INFO L225 Difference]: With dead ends: 13838 [2022-11-18 19:47:07,087 INFO L226 Difference]: Without dead ends: 7427 [2022-11-18 19:47:07,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:47:07,112 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 505 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 3145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:07,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 3039 Invalid, 3145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-18 19:47:07,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2022-11-18 19:47:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 6464. [2022-11-18 19:47:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6464 states, 4672 states have (on average 1.2983732876712328) internal successors, (6066), 4786 states have internal predecessors, (6066), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1273 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-18 19:47:08,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6464 states to 6464 states and 8846 transitions. [2022-11-18 19:47:08,049 INFO L78 Accepts]: Start accepts. Automaton has 6464 states and 8846 transitions. Word has length 208 [2022-11-18 19:47:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:08,050 INFO L495 AbstractCegarLoop]: Abstraction has 6464 states and 8846 transitions. [2022-11-18 19:47:08,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 19:47:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6464 states and 8846 transitions. [2022-11-18 19:47:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 19:47:08,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:08,067 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:08,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:47:08,068 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:08,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:08,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2110546462, now seen corresponding path program 1 times [2022-11-18 19:47:08,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:08,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891522347] [2022-11-18 19:47:08,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:08,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:47:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:47:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:47:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:47:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:47:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:47:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:47:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:47:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 19:47:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:47:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:47:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:47:10,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:10,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891522347] [2022-11-18 19:47:10,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891522347] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:47:10,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193885088] [2022-11-18 19:47:10,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:10,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:10,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:47:10,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:47:10,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:47:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-18 19:47:10,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:47:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:47:11,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:47:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:47:12,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193885088] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:47:12,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:47:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-11-18 19:47:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553076830] [2022-11-18 19:47:12,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:47:12,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 19:47:12,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:12,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 19:47:12,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:47:12,087 INFO L87 Difference]: Start difference. First operand 6464 states and 8846 transitions. Second operand has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-18 19:47:22,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:24,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:28,331 INFO L93 Difference]: Finished difference Result 13060 states and 18403 transitions. [2022-11-18 19:47:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-18 19:47:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) Word has length 208 [2022-11-18 19:47:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:28,358 INFO L225 Difference]: With dead ends: 13060 [2022-11-18 19:47:28,358 INFO L226 Difference]: Without dead ends: 7487 [2022-11-18 19:47:28,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 450 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 19:47:28,373 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 514 mSDsluCounter, 12637 mSDsCounter, 0 mSdLazyCounter, 12722 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 13407 SdHoareTripleChecker+Invalid, 12995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 12722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:28,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 13407 Invalid, 12995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [273 Valid, 12722 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-18 19:47:28,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7487 states. [2022-11-18 19:47:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7487 to 6473. [2022-11-18 19:47:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6473 states, 4681 states have (on average 1.2977996154667806) internal successors, (6075), 4792 states have internal predecessors, (6075), 1271 states have call successors, (1271), 463 states have call predecessors, (1271), 520 states have return successors, (1509), 1276 states have call predecessors, (1509), 1270 states have call successors, (1509) [2022-11-18 19:47:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6473 states to 6473 states and 8855 transitions. [2022-11-18 19:47:29,286 INFO L78 Accepts]: Start accepts. Automaton has 6473 states and 8855 transitions. Word has length 208 [2022-11-18 19:47:29,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:29,290 INFO L495 AbstractCegarLoop]: Abstraction has 6473 states and 8855 transitions. [2022-11-18 19:47:29,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.115384615384615) internal successors, (159), 17 states have internal predecessors, (159), 5 states have call successors, (43), 6 states have call predecessors, (43), 7 states have return successors, (34), 8 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-18 19:47:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6473 states and 8855 transitions. [2022-11-18 19:47:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-18 19:47:29,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:29,313 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:29,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:47:29,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:29,523 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:29,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:29,523 INFO L85 PathProgramCache]: Analyzing trace with hash 965661719, now seen corresponding path program 1 times [2022-11-18 19:47:29,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:29,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320077278] [2022-11-18 19:47:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:47:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:47:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:47:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:47:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:47:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:47:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:47:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:47:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 19:47:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 19:47:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-18 19:47:29,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:29,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320077278] [2022-11-18 19:47:29,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320077278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:29,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:29,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:47:29,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149083264] [2022-11-18 19:47:29,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:29,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:47:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:29,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:47:29,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:47:29,958 INFO L87 Difference]: Start difference. First operand 6473 states and 8855 transitions. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:47:36,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:37,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:40,623 INFO L93 Difference]: Finished difference Result 12940 states and 18217 transitions. [2022-11-18 19:47:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:47:40,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 195 [2022-11-18 19:47:40,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:40,653 INFO L225 Difference]: With dead ends: 12940 [2022-11-18 19:47:40,653 INFO L226 Difference]: Without dead ends: 7358 [2022-11-18 19:47:40,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:47:40,668 INFO L413 NwaCegarLoop]: 1054 mSDtfsCounter, 1842 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 3418 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 3143 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 3418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:40,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 3143 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 3418 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-18 19:47:40,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7358 states. [2022-11-18 19:47:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7358 to 6428. [2022-11-18 19:47:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6428 states, 4648 states have (on average 1.2859294320137693) internal successors, (5977), 4758 states have internal predecessors, (5977), 1264 states have call successors, (1264), 458 states have call predecessors, (1264), 515 states have return successors, (1502), 1270 states have call predecessors, (1502), 1263 states have call successors, (1502) [2022-11-18 19:47:41,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6428 states to 6428 states and 8743 transitions. [2022-11-18 19:47:41,374 INFO L78 Accepts]: Start accepts. Automaton has 6428 states and 8743 transitions. Word has length 195 [2022-11-18 19:47:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:41,375 INFO L495 AbstractCegarLoop]: Abstraction has 6428 states and 8743 transitions. [2022-11-18 19:47:41,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:47:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 6428 states and 8743 transitions. [2022-11-18 19:47:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 19:47:41,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:41,388 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:41,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:47:41,388 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash -479940357, now seen corresponding path program 1 times [2022-11-18 19:47:41,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:41,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676949177] [2022-11-18 19:47:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:41,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:47:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:47:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:47:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:47:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:47:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:47:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:47:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:47:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 19:47:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 19:47:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:47:42,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:42,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676949177] [2022-11-18 19:47:42,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676949177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:42,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:42,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:47:42,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395263978] [2022-11-18 19:47:42,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:42,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:47:42,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:47:42,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:47:42,244 INFO L87 Difference]: Start difference. First operand 6428 states and 8743 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:47:46,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:49,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:47:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:51,349 INFO L93 Difference]: Finished difference Result 12874 states and 18054 transitions. [2022-11-18 19:47:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:51,349 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 186 [2022-11-18 19:47:51,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:51,384 INFO L225 Difference]: With dead ends: 12874 [2022-11-18 19:47:51,384 INFO L226 Difference]: Without dead ends: 7321 [2022-11-18 19:47:51,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:47:51,406 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 512 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 282 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 3171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:51,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 2974 Invalid, 3171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 2888 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-18 19:47:51,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2022-11-18 19:47:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 6436. [2022-11-18 19:47:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6436 states, 4656 states have (on average 1.285438144329897) internal successors, (5985), 4766 states have internal predecessors, (5985), 1264 states have call successors, (1264), 458 states have call predecessors, (1264), 515 states have return successors, (1502), 1270 states have call predecessors, (1502), 1263 states have call successors, (1502) [2022-11-18 19:47:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 8751 transitions. [2022-11-18 19:47:52,221 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 8751 transitions. Word has length 186 [2022-11-18 19:47:52,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:52,222 INFO L495 AbstractCegarLoop]: Abstraction has 6436 states and 8751 transitions. [2022-11-18 19:47:52,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (21), 7 states have call predecessors, (21), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:47:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 8751 transitions. [2022-11-18 19:47:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-18 19:47:52,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:52,233 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:52,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:47:52,234 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:52,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:52,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1495837815, now seen corresponding path program 1 times [2022-11-18 19:47:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:52,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184767784] [2022-11-18 19:47:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:52,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:47:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:47:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:47:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:47:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:47:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:47:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:47:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:47:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:47:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:47:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 19:47:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 19:47:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:47:53,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:53,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184767784] [2022-11-18 19:47:53,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184767784] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:47:53,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682389111] [2022-11-18 19:47:53,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:53,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:53,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:47:53,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:47:53,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:47:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:54,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 19:47:54,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:47:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:47:54,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:47:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:47:54,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682389111] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:47:54,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:47:54,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-11-18 19:47:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850365976] [2022-11-18 19:47:54,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:47:54,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 19:47:54,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:54,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 19:47:54,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-18 19:47:54,600 INFO L87 Difference]: Start difference. First operand 6436 states and 8751 transitions. Second operand has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:48:00,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:02,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:04,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:04,568 INFO L93 Difference]: Finished difference Result 12922 states and 18130 transitions. [2022-11-18 19:48:04,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:48:04,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 187 [2022-11-18 19:48:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:04,593 INFO L225 Difference]: With dead ends: 12922 [2022-11-18 19:48:04,593 INFO L226 Difference]: Without dead ends: 7345 [2022-11-18 19:48:04,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:48:04,607 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 824 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 3163 mSolverCounterSat, 551 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 551 IncrementalHoareTripleChecker+Valid, 3163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:04,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 3302 Invalid, 3715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [551 Valid, 3163 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-18 19:48:04,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7345 states. [2022-11-18 19:48:05,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7345 to 6460. [2022-11-18 19:48:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 4680 states have (on average 1.283974358974359) internal successors, (6009), 4790 states have internal predecessors, (6009), 1264 states have call successors, (1264), 458 states have call predecessors, (1264), 515 states have return successors, (1502), 1270 states have call predecessors, (1502), 1263 states have call successors, (1502) [2022-11-18 19:48:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 8775 transitions. [2022-11-18 19:48:05,273 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 8775 transitions. Word has length 187 [2022-11-18 19:48:05,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:05,274 INFO L495 AbstractCegarLoop]: Abstraction has 6460 states and 8775 transitions. [2022-11-18 19:48:05,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.8) internal successors, (162), 10 states have internal predecessors, (162), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:48:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 8775 transitions. [2022-11-18 19:48:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-18 19:48:05,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:05,286 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:05,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:48:05,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:48:05,491 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:48:05,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:05,492 INFO L85 PathProgramCache]: Analyzing trace with hash -228316135, now seen corresponding path program 1 times [2022-11-18 19:48:05,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:05,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479269223] [2022-11-18 19:48:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:48:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:48:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:48:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:48:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:48:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:48:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 19:48:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 19:48:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 19:48:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-18 19:48:06,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:06,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479269223] [2022-11-18 19:48:06,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479269223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:48:06,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:48:06,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:48:06,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732532379] [2022-11-18 19:48:06,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:48:06,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:48:06,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:06,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:48:06,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:48:06,060 INFO L87 Difference]: Start difference. First operand 6460 states and 8775 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:48:13,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:14,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:16,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:16,694 INFO L93 Difference]: Finished difference Result 16779 states and 23628 transitions. [2022-11-18 19:48:16,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:48:16,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 199 [2022-11-18 19:48:16,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:16,750 INFO L225 Difference]: With dead ends: 16779 [2022-11-18 19:48:16,750 INFO L226 Difference]: Without dead ends: 11210 [2022-11-18 19:48:16,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:48:16,782 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 2958 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 3357 mSolverCounterSat, 1400 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 4758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1400 IncrementalHoareTripleChecker+Valid, 3357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:16,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 3036 Invalid, 4758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1400 Valid, 3357 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-18 19:48:16,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11210 states. [2022-11-18 19:48:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11210 to 9304. [2022-11-18 19:48:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 6725 states have (on average 1.2828252788104089) internal successors, (8627), 6881 states have internal predecessors, (8627), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1852 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-18 19:48:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 12610 transitions. [2022-11-18 19:48:18,038 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 12610 transitions. Word has length 199 [2022-11-18 19:48:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:18,038 INFO L495 AbstractCegarLoop]: Abstraction has 9304 states and 12610 transitions. [2022-11-18 19:48:18,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:48:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 12610 transitions. [2022-11-18 19:48:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-18 19:48:18,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:18,048 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:18,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 19:48:18,048 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:48:18,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:18,048 INFO L85 PathProgramCache]: Analyzing trace with hash -146348715, now seen corresponding path program 1 times [2022-11-18 19:48:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:18,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738411654] [2022-11-18 19:48:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:18,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:48:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:48:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:48:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:48:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:48:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:48:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:48:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:48:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:48:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 19:48:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 19:48:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 19:48:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:48:19,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:19,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738411654] [2022-11-18 19:48:19,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738411654] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:48:19,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412086416] [2022-11-18 19:48:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:19,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:48:19,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:48:19,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:48:19,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:48:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:20,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 19:48:20,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:48:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:48:20,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:48:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:48:21,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412086416] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:48:21,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:48:21,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 21 [2022-11-18 19:48:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593517032] [2022-11-18 19:48:21,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:48:21,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-18 19:48:21,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:21,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-18 19:48:21,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:48:21,196 INFO L87 Difference]: Start difference. First operand 9304 states and 12610 transitions. Second operand has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 16 states have internal predecessors, (177), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:48:31,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:33,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:36,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:36,638 INFO L93 Difference]: Finished difference Result 19182 states and 26883 transitions. [2022-11-18 19:48:36,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 19:48:36,639 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 16 states have internal predecessors, (177), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 209 [2022-11-18 19:48:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:36,716 INFO L225 Difference]: With dead ends: 19182 [2022-11-18 19:48:36,717 INFO L226 Difference]: Without dead ends: 10721 [2022-11-18 19:48:36,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:48:36,746 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 1050 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 6447 mSolverCounterSat, 791 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 6244 SdHoareTripleChecker+Invalid, 7239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 791 IncrementalHoareTripleChecker+Valid, 6447 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:36,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 6244 Invalid, 7239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [791 Valid, 6447 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2022-11-18 19:48:36,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10721 states. [2022-11-18 19:48:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10721 to 9376. [2022-11-18 19:48:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9376 states, 6797 states have (on average 1.2798293364719728) internal successors, (8699), 6953 states have internal predecessors, (8699), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1852 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-18 19:48:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9376 states to 9376 states and 12682 transitions. [2022-11-18 19:48:37,854 INFO L78 Accepts]: Start accepts. Automaton has 9376 states and 12682 transitions. Word has length 209 [2022-11-18 19:48:37,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:37,855 INFO L495 AbstractCegarLoop]: Abstraction has 9376 states and 12682 transitions. [2022-11-18 19:48:37,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.428571428571429) internal successors, (177), 16 states have internal predecessors, (177), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:48:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 9376 states and 12682 transitions. [2022-11-18 19:48:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 19:48:37,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:37,870 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:37,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:48:38,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-18 19:48:38,082 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:48:38,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash 639202478, now seen corresponding path program 2 times [2022-11-18 19:48:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:38,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27623051] [2022-11-18 19:48:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:48:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:48:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:48:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:48:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:48:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:48:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:48:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 19:48:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:48:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:48:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:48:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 19:48:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:48:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 19:48:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:48:40,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:48:40,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27623051] [2022-11-18 19:48:40,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27623051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:48:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156085241] [2022-11-18 19:48:40,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:48:40,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:48:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:48:40,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:48:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:48:41,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:48:41,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:48:41,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 19:48:41,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:48:41,248 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:48:41,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:48:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-18 19:48:42,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156085241] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:48:42,019 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:48:42,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 12] total 27 [2022-11-18 19:48:42,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507991766] [2022-11-18 19:48:42,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:48:42,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-18 19:48:42,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:48:42,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-18 19:48:42,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2022-11-18 19:48:42,022 INFO L87 Difference]: Start difference. First operand 9376 states and 12682 transitions. Second operand has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-18 19:48:53,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:48:57,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:48:57,102 INFO L93 Difference]: Finished difference Result 19341 states and 26955 transitions. [2022-11-18 19:48:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-18 19:48:57,103 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) Word has length 208 [2022-11-18 19:48:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:48:57,135 INFO L225 Difference]: With dead ends: 19341 [2022-11-18 19:48:57,135 INFO L226 Difference]: Without dead ends: 10856 [2022-11-18 19:48:57,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 449 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2022-11-18 19:48:57,152 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 515 mSDsluCounter, 12592 mSDsCounter, 0 mSdLazyCounter, 12726 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 13360 SdHoareTripleChecker+Invalid, 13001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 12726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:48:57,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [597 Valid, 13360 Invalid, 13001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [275 Valid, 12726 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-11-18 19:48:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10856 states. [2022-11-18 19:48:58,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10856 to 9385. [2022-11-18 19:48:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9385 states, 6806 states have (on average 1.2794593006171024) internal successors, (8708), 6959 states have internal predecessors, (8708), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1855 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-18 19:48:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9385 states to 9385 states and 12691 transitions. [2022-11-18 19:48:58,423 INFO L78 Accepts]: Start accepts. Automaton has 9385 states and 12691 transitions. Word has length 208 [2022-11-18 19:48:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:48:58,423 INFO L495 AbstractCegarLoop]: Abstraction has 9385 states and 12691 transitions. [2022-11-18 19:48:58,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.384615384615385) internal successors, (166), 17 states have internal predecessors, (166), 5 states have call successors, (45), 6 states have call predecessors, (45), 7 states have return successors, (36), 8 states have call predecessors, (36), 5 states have call successors, (36) [2022-11-18 19:48:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9385 states and 12691 transitions. [2022-11-18 19:48:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-18 19:48:58,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:48:58,435 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:48:58,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 19:48:58,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-18 19:48:58,645 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:48:58,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:48:58,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1611571435, now seen corresponding path program 2 times [2022-11-18 19:48:58,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:48:58,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761280699] [2022-11-18 19:48:58,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:48:58,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:48:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:48:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:48:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:48:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:48:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:48:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:48:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:48:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:49:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:49:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:49:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:49:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:49:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:49:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:49:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 19:49:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:49:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:49:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:49:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 19:49:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 19:49:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:49:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:49:00,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:49:00,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761280699] [2022-11-18 19:49:00,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761280699] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:49:00,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485648428] [2022-11-18 19:49:00,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:49:00,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:49:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:49:00,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:49:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:49:02,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:49:02,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:49:03,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-18 19:49:03,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:49:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:49:03,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:49:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-18 19:49:05,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485648428] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:49:05,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:49:05,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 42 [2022-11-18 19:49:05,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693799599] [2022-11-18 19:49:05,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:49:05,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-18 19:49:05,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:49:05,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-18 19:49:05,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2022-11-18 19:49:05,219 INFO L87 Difference]: Start difference. First operand 9385 states and 12691 transitions. Second operand has 42 states, 42 states have (on average 4.714285714285714) internal successors, (198), 37 states have internal predecessors, (198), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:49:20,909 WARN L233 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 69 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:49:33,613 WARN L233 SmtUtils]: Spent 10.61s on a formula simplification. DAG size of input: 63 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:50:12,227 WARN L233 SmtUtils]: Spent 19.61s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 19:50:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:28,351 INFO L93 Difference]: Finished difference Result 19416 states and 27189 transitions. [2022-11-18 19:50:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-18 19:50:28,352 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 4.714285714285714) internal successors, (198), 37 states have internal predecessors, (198), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 215 [2022-11-18 19:50:28,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:28,384 INFO L225 Difference]: With dead ends: 19416 [2022-11-18 19:50:28,384 INFO L226 Difference]: Without dead ends: 10874 [2022-11-18 19:50:28,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 443 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 66.6s TimeCoverageRelationStatistics Valid=751, Invalid=2219, Unknown=0, NotChecked=0, Total=2970 [2022-11-18 19:50:28,402 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 816 mSDsluCounter, 8090 mSDsCounter, 0 mSdLazyCounter, 9451 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 8803 SdHoareTripleChecker+Invalid, 10056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 9451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:28,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 8803 Invalid, 10056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [605 Valid, 9451 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-11-18 19:50:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10874 states. [2022-11-18 19:50:29,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10874 to 9529. [2022-11-18 19:50:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9529 states, 6950 states have (on average 1.2753956834532374) internal successors, (8864), 7103 states have internal predecessors, (8864), 1842 states have call successors, (1842), 655 states have call predecessors, (1842), 736 states have return successors, (2141), 1855 states have call predecessors, (2141), 1841 states have call successors, (2141) [2022-11-18 19:50:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9529 states to 9529 states and 12847 transitions. [2022-11-18 19:50:29,466 INFO L78 Accepts]: Start accepts. Automaton has 9529 states and 12847 transitions. Word has length 215 [2022-11-18 19:50:29,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:29,466 INFO L495 AbstractCegarLoop]: Abstraction has 9529 states and 12847 transitions. [2022-11-18 19:50:29,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.714285714285714) internal successors, (198), 37 states have internal predecessors, (198), 2 states have call successors, (40), 7 states have call predecessors, (40), 5 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-18 19:50:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 9529 states and 12847 transitions. [2022-11-18 19:50:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-18 19:50:29,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:29,477 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:29,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:29,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-18 19:50:29,691 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:29,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1370366816, now seen corresponding path program 1 times [2022-11-18 19:50:29,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:29,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144999183] [2022-11-18 19:50:29,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:50:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:50:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:50:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 19:50:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:50:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:50:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:50:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 19:50:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:50:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:50:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:50:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:50:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:50:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:50:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:50:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 19:50:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 19:50:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 19:50:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:50:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 19:50:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-18 19:50:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 19:50:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-18 19:50:30,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:50:30,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144999183] [2022-11-18 19:50:30,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144999183] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:30,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095871287] [2022-11-18 19:50:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:50:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:50:30,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:50:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 19:50:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:50:31,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-18 19:50:31,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:50:31,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-18 19:50:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 80 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 19:50:32,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:50:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-18 19:50:32,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095871287] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 19:50:32,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:50:32,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12, 8] total 20 [2022-11-18 19:50:32,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860023920] [2022-11-18 19:50:32,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:50:32,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:50:32,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:50:32,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:50:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:50:32,251 INFO L87 Difference]: Start difference. First operand 9529 states and 12847 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 19:50:35,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:50:35,896 INFO L93 Difference]: Finished difference Result 22526 states and 30514 transitions. [2022-11-18 19:50:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:50:35,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 227 [2022-11-18 19:50:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:50:35,939 INFO L225 Difference]: With dead ends: 22526 [2022-11-18 19:50:35,939 INFO L226 Difference]: Without dead ends: 13852 [2022-11-18 19:50:35,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:50:35,962 INFO L413 NwaCegarLoop]: 1770 mSDtfsCounter, 689 mSDsluCounter, 3881 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:50:35,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 5651 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-18 19:50:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13852 states. [2022-11-18 19:50:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13852 to 13508. [2022-11-18 19:50:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13508 states, 9856 states have (on average 1.2882508116883118) internal successors, (12697), 10114 states have internal predecessors, (12697), 2568 states have call successors, (2568), 993 states have call predecessors, (2568), 1083 states have return successors, (3161), 2503 states have call predecessors, (3161), 2567 states have call successors, (3161) [2022-11-18 19:50:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13508 states to 13508 states and 18426 transitions. [2022-11-18 19:50:37,359 INFO L78 Accepts]: Start accepts. Automaton has 13508 states and 18426 transitions. Word has length 227 [2022-11-18 19:50:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:50:37,359 INFO L495 AbstractCegarLoop]: Abstraction has 13508 states and 18426 transitions. [2022-11-18 19:50:37,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 19:50:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 13508 states and 18426 transitions. [2022-11-18 19:50:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-18 19:50:37,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:50:37,371 INFO L195 NwaCegarLoop]: trace histogram [16, 5, 5, 5, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:37,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 19:50:37,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-18 19:50:37,572 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:50:37,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:50:37,572 INFO L85 PathProgramCache]: Analyzing trace with hash 529998578, now seen corresponding path program 1 times [2022-11-18 19:50:37,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:50:37,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100557632] [2022-11-18 19:50:37,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:50:37,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:50:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:50:37,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:50:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:50:38,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:50:38,354 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:50:38,355 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:50:38,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 19:50:38,360 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:50:38,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:50:38,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,432 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,432 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,434 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,434 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,435 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,435 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 19:50:38,444 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 19:50:38,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:50:38 BoogieIcfgContainer [2022-11-18 19:50:38,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:50:38,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:50:38,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:50:38,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:50:38,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:43:13" (3/4) ... [2022-11-18 19:50:38,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:50:38,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:50:38,616 INFO L158 Benchmark]: Toolchain (without parser) took 451661.61ms. Allocated memory was 159.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 121.8MB in the beginning and 641.7MB in the end (delta: -520.0MB). Peak memory consumption was 796.8MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,616 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:50:38,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2668.26ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 75.9MB in the end (delta: 45.4MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 270.32ms. Allocated memory is still 159.4MB. Free memory was 75.9MB in the beginning and 102.4MB in the end (delta: -26.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,617 INFO L158 Benchmark]: Boogie Preprocessor took 239.85ms. Allocated memory is still 159.4MB. Free memory was 102.4MB in the beginning and 87.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,617 INFO L158 Benchmark]: RCFGBuilder took 3561.92ms. Allocated memory was 159.4MB in the beginning and 264.2MB in the end (delta: 104.9MB). Free memory was 87.3MB in the beginning and 115.1MB in the end (delta: -27.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,618 INFO L158 Benchmark]: TraceAbstraction took 444907.93ms. Allocated memory was 264.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 114.1MB in the beginning and 641.7MB in the end (delta: -527.7MB). Peak memory consumption was 685.5MB. Max. memory is 16.1GB. [2022-11-18 19:50:38,618 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 1.5GB. Free memory is still 641.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:50:38,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2668.26ms. Allocated memory is still 159.4MB. Free memory was 121.3MB in the beginning and 75.9MB in the end (delta: 45.4MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 270.32ms. Allocated memory is still 159.4MB. Free memory was 75.9MB in the beginning and 102.4MB in the end (delta: -26.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 239.85ms. Allocated memory is still 159.4MB. Free memory was 102.4MB in the beginning and 87.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3561.92ms. Allocated memory was 159.4MB in the beginning and 264.2MB in the end (delta: 104.9MB). Free memory was 87.3MB in the beginning and 115.1MB in the end (delta: -27.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * TraceAbstraction took 444907.93ms. Allocated memory was 264.2MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 114.1MB in the beginning and 641.7MB in the end (delta: -527.7MB). Peak memory consumption was 685.5MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 1.5GB. Free memory is still 641.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 - 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 Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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: 5649]: 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 5773, overapproximation of bitwiseAnd at line 5856. Possible FailurePath: [L7259] struct mdio_device_id const __mod_mdio__dp83640_tbl_device_table ; [L5717] static int chosen_phy = -1; [L5674] struct phy_device *dp83640_driver_group0 ; [L5676] struct sk_buff *dp83640_driver_group1 ; [L7590] Element set_impl[15] ; [L5672] int LDV_IN_INTERRUPT = 1; [L6086-L6087] static u8 status_frame_src[6U] = { 8U, 0U, 23U, 11U, 107U, 15U}; [L7725] Set LDV_SKBS ; [L5718-L5720] static ushort gpio_tab[8U] = { 1U, 2U, 3U, 4U, 8U, 9U, 10U, 11U}; [L5772] static struct list_head phyter_clocks = {& phyter_clocks, & phyter_clocks}; [L5773-L5776] static struct mutex phyter_clocks_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "phyter_clocks_lock.wait_lock", 0, 0UL}}}}, {& phyter_clocks_lock.wait_list, & phyter_clocks_lock.wait_list}, 0, 0, (void *)(& phyter_clocks_lock), {0, {0, 0}, "phyter_clocks_lock", 0, 0UL}}; [L6084-L6085] static u8 status_frame_dst[6U] = { 1U, 27U, 25U, 0U, 0U, 0U}; [L7260] int ldv_retval_0 ; [L7591] int last_index = 0; [L7261] int ldv_retval_1 ; [L5673] int ref_cnt ; [L7237-L7242] static struct phy_driver dp83640_driver = {536894689U, (char *)"NatSemi DP83640", 4294967280U, 719U, 1U, 0, & dp83640_config_init, & dp83640_probe, 0, 0, & genphy_config_aneg, 0, & genphy_read_status, & dp83640_ack_interrupt, & dp83640_config_intr, 0, & dp83640_remove, 0, & dp83640_ts_info, & dp83640_hwtstamp, & dp83640_rxtstamp, & dp83640_txtstamp, 0, 0, {0, 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5677] int ldv_state_variable_0 ; [L5675] int ldv_state_variable_1 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7278] int ldvarg1 ; [L7279] int tmp ; [L7280] struct ifreq *ldvarg3 ; [L7281] void *tmp___0 ; [L7282] struct ethtool_ts_info *ldvarg0 ; [L7283] void *tmp___1 ; [L7284] int ldvarg2 ; [L7285] int tmp___2 ; [L7286] int tmp___3 ; [L7287] int tmp___4 ; [L7288] int tmp___5 ; [L7290] tmp = __VERIFIER_nondet_int() [L7291] ldvarg1 = tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50] [L7292] CALL, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=40, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7292] RET, EXPR ldv_zalloc(40UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(40UL)={0:0}, ldvarg1=50, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50] [L7292] tmp___0 = ldv_zalloc(40UL) [L7293] ldvarg3 = (struct ifreq *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}] [L7294] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=44, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7294] RET, EXPR ldv_zalloc(44UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(44UL)={0:0}, ldvarg1=50, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}] [L7294] tmp___1 = ldv_zalloc(44UL) [L7295] ldvarg0 = (struct ethtool_ts_info *)tmp___1 [L7296] tmp___2 = __VERIFIER_nondet_int() [L7297] ldvarg2 = tmp___2 [L7298] CALL ldv_initialize() [L7744] CALL ldv_set_init(LDV_SKBS) [L7596] set = set_impl [L7597] last_index = 0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={33:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7744] RET ldv_set_init(LDV_SKBS) [L7298] RET ldv_initialize() [L7299] ldv_state_variable_1 = 0 [L7300] ref_cnt = 0 [L7301] ldv_state_variable_0 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: [L7450] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7451] COND TRUE ldv_state_variable_0 == 1 [L7452] CALL, EXPR dp83640_init() [L7245] int tmp ; [L7247] CALL, EXPR phy_driver_register(& dp83640_driver) [L7899] return __VERIFIER_nondet_int(); [L7247] RET, EXPR phy_driver_register(& dp83640_driver) [L7247] tmp = phy_driver_register(& dp83640_driver) [L7248] return (tmp); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=0] [L7452] RET, EXPR dp83640_init() [L7452] ldv_retval_1 = dp83640_init() [L7453] COND TRUE ldv_retval_1 == 0 [L7454] ldv_state_variable_0 = 3 [L7455] ldv_state_variable_1 = 1 [L7456] CALL ldv_initialize_phy_driver_1() [L7266] void *tmp ; [L7267] void *tmp___0 ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7269] CALL, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=2048, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=2048, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7269] RET, EXPR ldv_zalloc(2048UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(2048UL)={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7269] tmp = ldv_zalloc(2048UL) [L7270] dp83640_driver_group0 = (struct phy_device *)tmp VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}] [L7271] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND TRUE tmp___0 != 0 [L5619] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=232, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___0=1] [L7271] RET, EXPR ldv_zalloc(232UL) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(232UL)={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}] [L7271] tmp___0 = ldv_zalloc(232UL) [L7272] dp83640_driver_group1 = (struct sk_buff *)tmp___0 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={0:0}, tmp___0={0:0}] [L7456] RET ldv_initialize_phy_driver_1() [L7459] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1] [L7322] COND TRUE ldv_state_variable_1 == 1 [L7323] CALL, EXPR dp83640_probe(dp83640_driver_group0) [L6781] struct dp83640_clock *clock ; [L6782] struct dp83640_private *dp83640 ; [L6783] int err ; [L6784] int i ; [L6785] void *tmp ; [L6786] struct lock_class_key __key ; [L6787] atomic_long_t __constr_expr_0 ; [L6788] struct lock_class_key __key___0 ; [L6789] long tmp___0 ; [L6790] bool tmp___1 ; [L6791] int tmp___2 ; [L6793] err = -12 [L6794] EXPR phydev->addr VAL [__constr_expr_0={43:0}, __key={55:0}, __key___0={42:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, err=-12, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phydev->addr=31, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6794] COND TRUE phydev->addr == 31 [L6795] return (0); [L6795] return (0); [L6795] return (0); [L6795] return (0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, err=-12, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7323] RET, EXPR dp83640_probe(dp83640_driver_group0) [L7323] ldv_retval_0 = dp83640_probe(dp83640_driver_group0) [L7324] COND TRUE ldv_retval_0 == 0 [L7325] ldv_state_variable_1 = 2 [L7326] ref_cnt = ref_cnt + 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=2, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=1, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=2, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=1, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=1, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: [L7392] case 7: [L7404] case 8: [L7411] case 9: [L7423] case 10: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=2, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=1, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=10, tmp___5=1] [L7424] COND TRUE ldv_state_variable_1 == 2 [L7425] CALL dp83640_remove(dp83640_driver_group0) [L6863] struct dp83640_clock *clock ; [L6864] struct list_head *this ; [L6865] struct list_head *next ; [L6866] struct dp83640_private *tmp ; [L6867] struct dp83640_private *dp83640 ; [L6868] struct sk_buff *skb ; [L6869] struct list_head const *__mptr ; [L6871] EXPR phydev->priv [L6871] dp83640 = (struct dp83640_private *)phydev->priv [L6872] EXPR phydev->addr VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=2, phydev={0:0}, phydev={0:0}, phydev->addr=31, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=1, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6872] COND TRUE phydev->addr == 31 [L7425] RET dp83640_remove(dp83640_driver_group0) [L7426] ldv_state_variable_1 = 1 [L7427] ref_cnt = ref_cnt - 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=10, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=10, tmp___5=1] [L7306] COND TRUE ldv_state_variable_1 != 0 [L7307] tmp___4 = __VERIFIER_nondet_int() [L7309] case 0: [L7321] case 1: [L7332] case 2: [L7344] case 3: [L7356] case 4: [L7368] case 5: [L7380] case 6: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7381] COND TRUE ldv_state_variable_1 == 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7382] CALL dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7172] struct dp83640_private *dp83640 ; [L7173] bool tmp ; [L7175] EXPR phydev->priv [L7175] dp83640 = (struct dp83640_private *)phydev->priv [L7176] EXPR dp83640->hwts_rx_en VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640->hwts_rx_en=4294967297, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, type=50] [L7176] COND FALSE !(dp83640->hwts_rx_en == 0) [L7180] CALL, EXPR is_status_frame(skb, type) [L6126] struct ethhdr *h ; [L6127] struct ethhdr *tmp ; [L6128] int tmp___0 ; [L6130] CALL, EXPR eth_hdr((struct sk_buff const *)skb) [L5681] unsigned char *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5683] CALL, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5577] EXPR skb->head [L5577] EXPR skb->mac_header [L5577] return ((unsigned char *)skb->head + (unsigned long )skb->mac_header); [L5683] RET, EXPR skb_mac_header(skb) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, skb_mac_header(skb)={4294967302:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5683] tmp = skb_mac_header(skb) [L5684] return ((struct ethhdr *)tmp); VAL [\old(last_index)=0, \result={4294967302:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967302:0}] [L6130] RET, EXPR eth_hdr((struct sk_buff const *)skb) [L6130] tmp = eth_hdr((struct sk_buff const *)skb) [L6131] h = tmp VAL [\old(last_index)=0, \old(type)=50, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, h={4294967302:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967302:0}, type=50] [L6132] COND TRUE type == 50 [L6133-L6134] tmp___0 = memcmp((void const *)(& h->h_source), (void const *)(& status_frame_src), 6UL) [L6135] COND TRUE tmp___0 == 0 [L6136] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, h={4294967302:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={4294967302:0}, tmp___0=0, type=50] [L7180] RET, EXPR is_status_frame(skb, type) [L7180] tmp = is_status_frame(skb, type) [L7181] COND TRUE (int )tmp [L7182] CALL decode_status_frame(dp83640, skb) [L6482] struct phy_rxts *phy_rxts ; [L6483] struct phy_txts *phy_txts ; [L6484] u8 *ptr ; [L6485] int len ; [L6486] int size ; [L6487] u16 ests ; [L6488] u16 type ; [L6489] unsigned int tmp ; [L6491] EXPR skb->data [L6491] ptr = skb->data + 2U [L6492] CALL, EXPR skb_headlen((struct sk_buff const *)skb) [L5571] EXPR skb->len [L5571] EXPR skb->data_len [L5571] return ((unsigned int )skb->len - (unsigned int )skb->data_len); [L6492] RET, EXPR skb_headlen((struct sk_buff const *)skb) [L6492] tmp = skb_headlen((struct sk_buff const *)skb) [L6493] len = (int )(tmp - 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-10}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14] [L6520] COND TRUE (unsigned int )len > 2U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-10}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14] [L6496] EXPR \read(*ptr) [L6496] type = *((u16 *)ptr) [L6497] ests = (unsigned int )type & 4095U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-10}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4095] [L6498] type = (unsigned int )type & 61440U VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=12, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-10}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L6499] len = (int )((unsigned int )len - 2U) [L6500] ptr = ptr + 2UL VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-8}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L6501] COND FALSE !((unsigned int )type == 8192U && (unsigned int )len > 11U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-8}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L6506] COND TRUE (unsigned int )type == 4096U && (unsigned int )len > 7U [L6507] phy_txts = (struct phy_txts *)ptr [L6508] CALL decode_txts(dp83640, phy_txts) [L6451] struct skb_shared_hwtstamps shhwtstamps ; [L6452] struct sk_buff *skb ; [L6453] u64 ns ; [L6454] struct _ddebug descriptor ; [L6455] long tmp ; [L6457] CALL, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L7537] struct sk_buff *tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, ldv_func_arg1={4294967298:2692}, ldv_func_arg1={4294967298:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7539] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7728] void *skb ; [L7729] void *tmp___7 ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7731] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5613] void *p ; [L5614] void *tmp ; [L5615] int tmp___0 ; [L5617] tmp___0 = __VERIFIER_nondet_int() [L5618] COND FALSE !(tmp___0 != 0) [L5621] EXPR, FCALL calloc(1UL, size) [L5621] tmp = calloc(1UL, size) [L5622] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5623] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, cond=1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5623] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5624] CALL, EXPR IS_ERR(p) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7494] bool tmp ; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] CALL, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7692] return ((unsigned long )ptr > 2012UL); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] RET, EXPR ldv_is_err(ptr) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7496] tmp = ldv_is_err(ptr) [L7497] return (tmp); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=0] [L5624] RET, EXPR IS_ERR(p) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5624] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5590] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, cond=1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5624] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(last_index)=0, \old(size)=248, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, IS_ERR(p)=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L5625] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, calloc(1UL, size)={-18446744073709551615:0}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, size=248, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}, tmp___0=0] [L7731] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7731] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L7732] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7={-18446744073709551615:0}] [L7733] COND FALSE !(! skb) [L7736] CALL ldv_set_add(LDV_SKBS, skb) [L7604] int i ; [L7606] i = 0 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7607] COND TRUE 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7608] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={35:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7618] COND TRUE last_index < 15 [L7619] set_impl[last_index] = e [L7620] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7736] RET ldv_set_add(LDV_SKBS, skb) [L7737] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7={-18446744073709551615:0}] [L7539] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={4294967298:2692}, ldv_func_arg1={4294967298:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7539] tmp = ldv_skb_alloc() [L7540] return (tmp); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={4294967298:2692}, ldv_func_arg1={4294967298:2692}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp={-18446744073709551615:0}] [L6457] RET, EXPR ldv_skb_dequeue_12(& dp83640->tx_queue) [L6457] skb = ldv_skb_dequeue_12(& dp83640->tx_queue) [L6458] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, descriptor={45:0}, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] CALL, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5850] u64 ns ; [L5851] u32 sec ; [L5853] EXPR p->sec_lo [L5853] sec = (u32 )p->sec_lo [L5854] EXPR p->sec_hi VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={33:-8}, p={33:-8}, p->sec_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5854] sec = (u32 )((int )p->sec_hi << 16) | sec VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={33:-8}, p={33:-8}, p->sec_hi=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5855] EXPR p->ns_lo [L5855] ns = (u64 )p->ns_lo [L5856] EXPR p->ns_hi VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, p={33:-8}, p={33:-8}, p->ns_hi=65537, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5856] ns = (u64 )(((int )p->ns_hi & 16383) << 16) | ns VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, p={33:-8}, p={33:-8}, p->ns_hi=65537, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5857] ns = (unsigned long long )sec * 1000000000ULL + ns [L5858] return (ns); VAL [\old(last_index)=0, \result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, p={33:-8}, p={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, sec=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] RET, EXPR phy2txts(phy_txts) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, descriptor={45:0}, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phy2txts(phy_txts)=0, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6473] ns = phy2txts(phy_txts) [L6474] FCALL memset((void *)(& shhwtstamps), 0, 16UL) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, descriptor={45:0}, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, memset((void *)(& shhwtstamps), 0, 16UL)={47:0}, ns=0, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6475] CALL, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, \old(ns)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5415] ktime_t ktime_zero ; [L5416] ktime_t __constr_expr_0 ; [L5418] ktime_zero.tv64 = 0LL [L5419] EXPR ktime_zero.tv64 [L5419] __constr_expr_0.tv64 = (long long )((unsigned long long )ktime_zero.tv64 + ns) [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); [L5420] return (__constr_expr_0); VAL [\old(last_index)=0, \old(ns)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, unknown-#res!tv64-unknown=0] [L6475] RET, EXPR ns_to_ktime(ns) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, descriptor={45:0}, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, ns_to_ktime(ns)=0, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6475] shhwtstamps.hwtstamp = ns_to_ktime(ns) [L6476] FCALL skb_complete_tx_timestamp(skb, & shhwtstamps) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, descriptor={45:0}, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, shhwtstamps={47:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6477] return; [L6477] return; VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ns=0, phy_txts={33:-8}, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6508] RET decode_txts(dp83640, phy_txts) [L6509] size = 8 VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=10, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:-8}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L6517] ptr = ptr + (unsigned long )size [L6518] len = len - size VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:0}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L6520] COND FALSE !((unsigned int )len > 2U) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, ests=4095, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, len=2, phy_txts={33:-8}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ptr={33:0}, ref_cnt=0, set_impl={33:0}, size=8, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=14, type=4096] [L7182] RET decode_status_frame(dp83640, skb) [L7183] CALL ldv_kfree_skb_18(skb) [L7585] CALL ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7751] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7629] int i ; [L7630] int deleted_index ; [L7632] deleted_index = -1 [L7633] i = 0 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7635] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7639] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, set_impl[i]={-18446744073709551615:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7639] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L7644] i = i + 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7634] COND TRUE 1 VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7635] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7646] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, deleted_index=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, e={0:0}, e={0:0}, gpio_tab={35:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7751] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7585] RET ldv_skb_free(ldv_func_arg1) VAL [\old(last_index)=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7183] RET ldv_kfree_skb_18(skb) [L7184] return (1); VAL [\old(last_index)=0, \old(type)=50, \result=1, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640={4294967298:0}, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phydev={0:0}, phydev={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, skb={0:0}, skb={0:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=1, type=50] [L7382] RET dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, dp83640_rxtstamp(dp83640_driver_group0, dp83640_driver_group1, ldvarg1)=1, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7383] ldv_state_variable_1 = 1 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7386] COND FALSE !(ldv_state_variable_1 == 2) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=0, tmp___4=6, tmp___5=1] [L7303] tmp___3 = __VERIFIER_nondet_int() [L7305] case 0: [L7438] case 1: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=1] [L7439] COND TRUE ldv_state_variable_0 != 0 [L7440] tmp___5 = __VERIFIER_nondet_int() [L7442] case 0: VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7443] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7444] CALL dp83640_exit() [L7254] CALL dp83640_free_clocks() [L6625] struct dp83640_clock *clock ; [L6626] struct list_head *this ; [L6627] struct list_head *next ; [L6628] struct list_head const *__mptr ; [L6629] int tmp ; VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6631] FCALL mutex_lock_nested(& phyter_clocks_lock, 0U) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L6632] EXPR phyter_clocks.next [L6632] this = phyter_clocks.next [L6633] EXPR this->next [L6633] next = this->next [L6656] COND FALSE !((unsigned long )this != (unsigned long )(& phyter_clocks)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={36:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, this={36:0}] [L6660] FCALL mutex_unlock(& phyter_clocks_lock) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, next={36:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, this={36:0}] [L7254] RET dp83640_free_clocks() [L7255] FCALL phy_driver_unregister(& dp83640_driver) [L7444] RET dp83640_exit() [L7445] ldv_state_variable_0 = 2 VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={0:0}, ldvarg1=50, ldvarg2=0, ldvarg3={0:0}, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp=50, tmp___0={0:0}, tmp___1={0:0}, tmp___2=0, tmp___3=1, tmp___4=6, tmp___5=0] [L7480] CALL ldv_check_final_state() [L7795] int tmp___7 ; [L7797] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7686] return (last_index == 0); VAL [\result=0, __mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L7797] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7797] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7798] COND FALSE !(\read(tmp___7)) VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}, tmp___7=0] [L7800] CALL ldv_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] [L5649] reach_error() VAL [__mod_mdio__dp83640_tbl_device_table=0, __mod_mdio__dp83640_tbl_device_table=0, __this_module={4294967300:4294967301}, chosen_phy=-1, dp83640_driver={39:0}, dp83640_driver_group0={0:0}, dp83640_driver_group1={0:0}, gpio_tab={35:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, phyter_clocks={36:0}, phyter_clocks_lock={37:0}, ref_cnt=0, set_impl={33:0}, status_frame_dst={38:0}, status_frame_src={34:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 856 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 444.5s, OverallIterations: 26, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 373.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 37568 SdHoareTripleChecker+Valid, 274.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35356 mSDsluCounter, 121385 SdHoareTripleChecker+Invalid, 251.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100679 mSDsCounter, 18409 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141861 IncrementalHoareTripleChecker+Invalid, 160278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18409 mSolverCounterUnsat, 20706 mSDtfsCounter, 141861 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4424 GetRequests, 3915 SyntacticMatches, 21 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5543 ImplicationChecksByTransitivity, 83.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13508occurred in iteration=25, InterpolantAutomatonStates: 368, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.4s AutomataMinimizationTime, 25 MinimizatonAttempts, 25060 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 5918 NumberOfCodeBlocks, 5918 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 7232 ConstructedInterpolants, 0 QuantifiedInterpolants, 17218 SizeOfPredicates, 66 NumberOfNonLiveVariables, 12886 ConjunctsInSsa, 242 ConjunctsInUnsatCore, 41 InterpolantComputations, 19 PerfectInterpolantSequences, 2835/3108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 19:50:38,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:50:40,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:50:40,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:50:41,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:50:41,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:50:41,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:50:41,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:50:41,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:50:41,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:50:41,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:50:41,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:50:41,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:50:41,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:50:41,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:50:41,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:50:41,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:50:41,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:50:41,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:50:41,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:50:41,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:50:41,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:50:41,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:50:41,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:50:41,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:50:41,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:50:41,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:50:41,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:50:41,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:50:41,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:50:41,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:50:41,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:50:41,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:50:41,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:50:41,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:50:41,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:50:41,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:50:41,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:50:41,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:50:41,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:50:41,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:50:41,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:50:41,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 19:50:41,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:50:41,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:50:41,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:50:41,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:50:41,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:50:41,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:50:41,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:50:41,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:50:41,146 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:50:41,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:50:41,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:50:41,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:50:41,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:50:41,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:50:41,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 19:50:41,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 19:50:41,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 19:50:41,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:50:41,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:50:41,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:50:41,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:50:41,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:50:41,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:50:41,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:50:41,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:50:41,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:50:41,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:50:41,153 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 19:50:41,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 19:50:41,153 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:50:41,153 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:50:41,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:50:41,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 19:50:41,155 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_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6985379bcc34be713545a774d70e5414e9690ba41356ad39bb00629a60c9ae14 [2022-11-18 19:50:41,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:50:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:50:41,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:50:41,592 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:50:41,594 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:50:41,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-18 19:50:41,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/4ff44f4cb/a654bc74bcfb4a5a8877d25e0cbd3a3a/FLAG092a4edc7 [2022-11-18 19:50:42,621 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:50:42,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i [2022-11-18 19:50:42,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/4ff44f4cb/a654bc74bcfb4a5a8877d25e0cbd3a3a/FLAG092a4edc7 [2022-11-18 19:50:43,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/bin/uautomizer-TMbwUNV5ro/data/4ff44f4cb/a654bc74bcfb4a5a8877d25e0cbd3a3a [2022-11-18 19:50:43,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:50:43,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:50:43,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:50:43,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:50:43,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:50:43,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:43" (1/1) ... [2022-11-18 19:50:43,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31afd843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:50:43, skipping insertion in model container [2022-11-18 19:50:43,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:50:43" (1/1) ... [2022-11-18 19:50:43,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:50:43,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:50:44,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbd0d00-8a28-456b-b88d-28b5c3e5c2c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--phy--dp83640.ko-entry_point.cil.out.i[160997,161010] [2022-11-18 19:50:44,603 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: cannot determine size of incomplete type at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:122) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1005) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1468) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1488) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3308) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 19:50:44,617 INFO L158 Benchmark]: Toolchain (without parser) took 1527.18ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.4MB in the beginning and 51.0MB in the end (delta: -8.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-18 19:50:44,617 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:50:44,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1524.91ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 51.0MB in the end (delta: -8.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-18 19:50:44,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1524.91ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 51.0MB in the end (delta: -8.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: cannot determine size of incomplete type: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:260) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: cannot determine size of incomplete type