./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF --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 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:10:01,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:10:01,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:10:01,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:10:01,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:10:01,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:10:01,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:10:01,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:10:01,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:10:01,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:10:01,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:10:01,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:10:01,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:10:01,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:10:01,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:10:01,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:10:01,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:10:01,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:10:01,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:10:02,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:10:02,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:10:02,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:10:02,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:10:02,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:10:02,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:10:02,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:10:02,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:10:02,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:10:02,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:10:02,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:10:02,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:10:02,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:10:02,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:10:02,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:10:02,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:10:02,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:10:02,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:10:02,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:10:02,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:10:02,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:10:02,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:10:02,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:10:02,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:10:02,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:10:02,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:10:02,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:10:02,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:10:02,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:10:02,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:10:02,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:10:02,066 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:10:02,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:10:02,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:10:02,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:10:02,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:10:02,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:10:02,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:10:02,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:10:02,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:10:02,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:10:02,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:10:02,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:10:02,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:10:02,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:10:02,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:10:02,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:10:02,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:10:02,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:10:02,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:10:02,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:10:02,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:10:02,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:10:02,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:10:02,072 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_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-11-20 06:10:02,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:10:02,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:10:02,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:10:02,411 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:10:02,412 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:10:02,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:02,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/cbd7637e2/ba42b5416ebd4d9e9cf13d780682b25c/FLAGfc1f522eb [2021-11-20 06:10:03,274 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:10:03,274 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:03,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/cbd7637e2/ba42b5416ebd4d9e9cf13d780682b25c/FLAGfc1f522eb [2021-11-20 06:10:03,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/cbd7637e2/ba42b5416ebd4d9e9cf13d780682b25c [2021-11-20 06:10:03,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:10:03,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:10:03,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:10:03,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:10:03,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:10:03,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:03" (1/1) ... [2021-11-20 06:10:03,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4306a2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:03, skipping insertion in model container [2021-11-20 06:10:03,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:03" (1/1) ... [2021-11-20 06:10:03,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:10:03,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:10:04,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-20 06:10:04,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:10:04,411 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:10:04,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-20 06:10:04,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:10:04,798 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:10:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04 WrapperNode [2021-11-20 06:10:04,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:10:04,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:10:04,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:10:04,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:10:04,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:04,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:04,921 INFO L137 Inliner]: procedures = 90, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 546 [2021-11-20 06:10:04,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:10:04,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:10:04,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:10:04,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:10:04,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:04,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:04,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:04,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:05,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:05,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:05,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:05,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:10:05,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:10:05,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:10:05,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:10:05,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (1/1) ... [2021-11-20 06:10:05,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:10:05,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:05,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:10:05,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:10:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-11-20 06:10:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-11-20 06:10:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:10:05,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:10:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:10:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:10:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:10:05,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:10:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:10:05,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-20 06:10:05,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-20 06:10:05,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:10:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:10:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:10:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:10:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-11-20 06:10:05,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-11-20 06:10:05,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:10:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:10:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-20 06:10:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-20 06:10:05,125 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 06:10:05,125 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 06:10:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-11-20 06:10:05,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-11-20 06:10:05,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:10:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:10:05,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:10:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:10:05,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:10:05,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-11-20 06:10:05,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-11-20 06:10:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:10:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:10:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:10:05,128 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-20 06:10:05,128 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-20 06:10:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:10:05,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-20 06:10:05,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-20 06:10:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:10:05,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:10:05,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:10:05,400 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:10:05,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:10:05,540 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:10:06,080 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:10:06,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:10:06,090 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:10:06,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:06 BoogieIcfgContainer [2021-11-20 06:10:06,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:10:06,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:10:06,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:10:06,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:10:06,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:10:03" (1/3) ... [2021-11-20 06:10:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9452b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:10:06, skipping insertion in model container [2021-11-20 06:10:06,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:04" (2/3) ... [2021-11-20 06:10:06,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9452b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:10:06, skipping insertion in model container [2021-11-20 06:10:06,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:06" (3/3) ... [2021-11-20 06:10:06,102 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:06,107 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:10:06,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:10:06,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:10:06,193 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:10:06,194 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:10:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-20 06:10:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 06:10:06,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:06,228 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:06,229 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1296188460, now seen corresponding path program 1 times [2021-11-20 06:10:06,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:06,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406043277] [2021-11-20 06:10:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:06,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:06,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:06,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406043277] [2021-11-20 06:10:06,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406043277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:06,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:06,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:10:06,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049477337] [2021-11-20 06:10:06,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:06,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:06,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:06,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:06,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:06,716 INFO L87 Difference]: Start difference. First operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:07,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:07,135 INFO L93 Difference]: Finished difference Result 464 states and 657 transitions. [2021-11-20 06:10:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:07,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-20 06:10:07,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:07,151 INFO L225 Difference]: With dead ends: 464 [2021-11-20 06:10:07,151 INFO L226 Difference]: Without dead ends: 232 [2021-11-20 06:10:07,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:07,161 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 76 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:07,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 464 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 06:10:07,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-20 06:10:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 217. [2021-11-20 06:10:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-11-20 06:10:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-11-20 06:10:07,230 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 35 [2021-11-20 06:10:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:07,231 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-11-20 06:10:07,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-11-20 06:10:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 06:10:07,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:07,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:07,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:10:07,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:07,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:07,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1162174954, now seen corresponding path program 1 times [2021-11-20 06:10:07,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:07,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941388894] [2021-11-20 06:10:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:07,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:07,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:07,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941388894] [2021-11-20 06:10:07,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941388894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:07,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:07,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:10:07,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488475330] [2021-11-20 06:10:07,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:07,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:10:07,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:07,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:10:07,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:10:07,451 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:08,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:08,047 INFO L93 Difference]: Finished difference Result 643 states and 867 transitions. [2021-11-20 06:10:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:10:08,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-20 06:10:08,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:08,058 INFO L225 Difference]: With dead ends: 643 [2021-11-20 06:10:08,059 INFO L226 Difference]: Without dead ends: 434 [2021-11-20 06:10:08,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:08,066 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 379 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:08,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 712 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-11-20 06:10:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 404. [2021-11-20 06:10:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 305 states have (on average 1.301639344262295) internal successors, (397), 305 states have internal predecessors, (397), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-11-20 06:10:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 536 transitions. [2021-11-20 06:10:08,132 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 536 transitions. Word has length 35 [2021-11-20 06:10:08,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:08,132 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 536 transitions. [2021-11-20 06:10:08,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 536 transitions. [2021-11-20 06:10:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 06:10:08,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:08,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:08,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:10:08,136 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:08,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1455096019, now seen corresponding path program 1 times [2021-11-20 06:10:08,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:08,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348551482] [2021-11-20 06:10:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:08,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:08,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348551482] [2021-11-20 06:10:08,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348551482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:08,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:08,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:10:08,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726003729] [2021-11-20 06:10:08,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:08,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:10:08,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:10:08,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:10:08,230 INFO L87 Difference]: Start difference. First operand 404 states and 536 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:08,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:08,629 INFO L93 Difference]: Finished difference Result 834 states and 1118 transitions. [2021-11-20 06:10:08,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:10:08,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2021-11-20 06:10:08,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:08,635 INFO L225 Difference]: With dead ends: 834 [2021-11-20 06:10:08,635 INFO L226 Difference]: Without dead ends: 438 [2021-11-20 06:10:08,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:10:08,642 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 42 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:08,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 828 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 06:10:08,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-11-20 06:10:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 405. [2021-11-20 06:10:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 306 states have internal predecessors, (398), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-11-20 06:10:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 537 transitions. [2021-11-20 06:10:08,699 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 537 transitions. Word has length 41 [2021-11-20 06:10:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:08,700 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 537 transitions. [2021-11-20 06:10:08,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 537 transitions. [2021-11-20 06:10:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 06:10:08,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:08,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:08,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:10:08,703 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1093757940, now seen corresponding path program 1 times [2021-11-20 06:10:08,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:08,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183402072] [2021-11-20 06:10:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:08,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:08,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:08,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183402072] [2021-11-20 06:10:08,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183402072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:10:08,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882821541] [2021-11-20 06:10:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:08,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:08,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:08,796 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:08,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:10:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:08,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:10:09,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:09,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:09,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882821541] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:10:09,399 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:10:09,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-11-20 06:10:09,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276931872] [2021-11-20 06:10:09,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:10:09,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:10:09,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:09,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:10:09,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:10:09,409 INFO L87 Difference]: Start difference. First operand 405 states and 537 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:09,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:09,726 INFO L93 Difference]: Finished difference Result 844 states and 1132 transitions. [2021-11-20 06:10:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:10:09,727 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2021-11-20 06:10:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:09,733 INFO L225 Difference]: With dead ends: 844 [2021-11-20 06:10:09,733 INFO L226 Difference]: Without dead ends: 447 [2021-11-20 06:10:09,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:10:09,738 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 99 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:09,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 682 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 06:10:09,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-11-20 06:10:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 417. [2021-11-20 06:10:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 318 states have (on average 1.29874213836478) internal successors, (413), 318 states have internal predecessors, (413), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-11-20 06:10:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 552 transitions. [2021-11-20 06:10:09,788 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 552 transitions. Word has length 45 [2021-11-20 06:10:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:09,790 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 552 transitions. [2021-11-20 06:10:09,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 552 transitions. [2021-11-20 06:10:09,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 06:10:09,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:09,802 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:09,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:10,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:10,018 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:10,018 INFO L85 PathProgramCache]: Analyzing trace with hash 797749943, now seen corresponding path program 2 times [2021-11-20 06:10:10,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:10,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516570104] [2021-11-20 06:10:10,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:10,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-20 06:10:10,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:10,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516570104] [2021-11-20 06:10:10,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516570104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:10,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:10,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:10:10,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298855628] [2021-11-20 06:10:10,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:10,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:10:10,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:10,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:10:10,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:10:10,159 INFO L87 Difference]: Start difference. First operand 417 states and 552 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:10,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:10,728 INFO L93 Difference]: Finished difference Result 855 states and 1142 transitions. [2021-11-20 06:10:10,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:10:10,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2021-11-20 06:10:10,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:10,732 INFO L225 Difference]: With dead ends: 855 [2021-11-20 06:10:10,732 INFO L226 Difference]: Without dead ends: 446 [2021-11-20 06:10:10,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:10:10,734 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 440 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:10,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1152 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-11-20 06:10:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 416. [2021-11-20 06:10:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 317 states have (on average 1.2902208201892744) internal successors, (409), 317 states have internal predecessors, (409), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-11-20 06:10:10,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 548 transitions. [2021-11-20 06:10:10,762 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 548 transitions. Word has length 57 [2021-11-20 06:10:10,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:10,762 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 548 transitions. [2021-11-20 06:10:10,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 548 transitions. [2021-11-20 06:10:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-20 06:10:10,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:10,765 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:10,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:10:10,770 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:10,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:10,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1188095234, now seen corresponding path program 1 times [2021-11-20 06:10:10,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:10,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561252799] [2021-11-20 06:10:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:10,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:10,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:10:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:10:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-20 06:10:11,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:11,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561252799] [2021-11-20 06:10:11,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561252799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:11,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:11,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:10:11,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528619592] [2021-11-20 06:10:11,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:11,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:10:11,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:11,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:10:11,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:11,078 INFO L87 Difference]: Start difference. First operand 416 states and 548 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:10:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:11,671 INFO L93 Difference]: Finished difference Result 1279 states and 1734 transitions. [2021-11-20 06:10:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:10:11,671 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 98 [2021-11-20 06:10:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:11,682 INFO L225 Difference]: With dead ends: 1279 [2021-11-20 06:10:11,683 INFO L226 Difference]: Without dead ends: 866 [2021-11-20 06:10:11,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:10:11,686 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 370 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:11,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 1296 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-11-20 06:10:11,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 808. [2021-11-20 06:10:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 613 states have (on average 1.2903752039151712) internal successors, (791), 613 states have internal predecessors, (791), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-11-20 06:10:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1078 transitions. [2021-11-20 06:10:11,746 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1078 transitions. Word has length 98 [2021-11-20 06:10:11,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:11,747 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 1078 transitions. [2021-11-20 06:10:11,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 06:10:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1078 transitions. [2021-11-20 06:10:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-20 06:10:11,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:11,759 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:11,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:10:11,759 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2043442978, now seen corresponding path program 1 times [2021-11-20 06:10:11,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:11,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113292376] [2021-11-20 06:10:11,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:11,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:10:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:10:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:10:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 06:10:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-20 06:10:12,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:12,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113292376] [2021-11-20 06:10:12,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113292376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:12,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:12,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 06:10:12,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656259445] [2021-11-20 06:10:12,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:12,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:10:12,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:12,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:10:12,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:10:12,180 INFO L87 Difference]: Start difference. First operand 808 states and 1078 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 06:10:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:12,830 INFO L93 Difference]: Finished difference Result 1660 states and 2258 transitions. [2021-11-20 06:10:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:10:12,830 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) Word has length 149 [2021-11-20 06:10:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:12,838 INFO L225 Difference]: With dead ends: 1660 [2021-11-20 06:10:12,838 INFO L226 Difference]: Without dead ends: 860 [2021-11-20 06:10:12,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:10:12,842 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 94 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:12,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 2242 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2021-11-20 06:10:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 818. [2021-11-20 06:10:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 619 states have (on average 1.2746365105008077) internal successors, (789), 621 states have internal predecessors, (789), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-11-20 06:10:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1082 transitions. [2021-11-20 06:10:12,905 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1082 transitions. Word has length 149 [2021-11-20 06:10:12,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:12,905 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 1082 transitions. [2021-11-20 06:10:12,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 06:10:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1082 transitions. [2021-11-20 06:10:12,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-20 06:10:12,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:12,912 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:12,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:10:12,912 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:12,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1151008919, now seen corresponding path program 1 times [2021-11-20 06:10:12,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:12,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993775623] [2021-11-20 06:10:12,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:12,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:10:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:10:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 06:10:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 06:10:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 06:10:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-20 06:10:13,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:13,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993775623] [2021-11-20 06:10:13,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993775623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:10:13,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672198553] [2021-11-20 06:10:13,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:13,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:13,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:10:13,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:10:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:13,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:10:13,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 49 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-20 06:10:13,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-20 06:10:14,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672198553] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:10:14,159 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:10:14,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 15 [2021-11-20 06:10:14,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329627595] [2021-11-20 06:10:14,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:10:14,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:10:14,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:10:14,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:10:14,162 INFO L87 Difference]: Start difference. First operand 818 states and 1082 transitions. Second operand has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 06:10:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:14,768 INFO L93 Difference]: Finished difference Result 1329 states and 1792 transitions. [2021-11-20 06:10:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:10:14,769 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2021-11-20 06:10:14,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:14,775 INFO L225 Difference]: With dead ends: 1329 [2021-11-20 06:10:14,775 INFO L226 Difference]: Without dead ends: 892 [2021-11-20 06:10:14,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:10:14,780 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 101 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:14,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1400 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-11-20 06:10:14,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 850. [2021-11-20 06:10:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 651 states have (on average 1.273425499231951) internal successors, (829), 653 states have internal predecessors, (829), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-11-20 06:10:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1122 transitions. [2021-11-20 06:10:14,841 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1122 transitions. Word has length 155 [2021-11-20 06:10:14,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:14,842 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 1122 transitions. [2021-11-20 06:10:14,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 06:10:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1122 transitions. [2021-11-20 06:10:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-20 06:10:14,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:14,847 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:14,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 06:10:15,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:10:15,063 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:15,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:15,063 INFO L85 PathProgramCache]: Analyzing trace with hash 745918541, now seen corresponding path program 2 times [2021-11-20 06:10:15,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:15,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697432729] [2021-11-20 06:10:15,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:15,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:10:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:10:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:10:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:10:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:10:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 06:10:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-20 06:10:15,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:15,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697432729] [2021-11-20 06:10:15,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697432729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:15,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:15,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:10:15,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079246308] [2021-11-20 06:10:15,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:15,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:10:15,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:15,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:10:15,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:15,388 INFO L87 Difference]: Start difference. First operand 850 states and 1122 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 06:10:15,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:15,963 INFO L93 Difference]: Finished difference Result 1736 states and 2321 transitions. [2021-11-20 06:10:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:10:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 171 [2021-11-20 06:10:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:15,971 INFO L225 Difference]: With dead ends: 1736 [2021-11-20 06:10:15,971 INFO L226 Difference]: Without dead ends: 893 [2021-11-20 06:10:15,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:15,976 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 56 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:15,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 1092 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 06:10:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-11-20 06:10:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 851. [2021-11-20 06:10:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 652 states have (on average 1.2730061349693251) internal successors, (830), 654 states have internal predecessors, (830), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-11-20 06:10:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1123 transitions. [2021-11-20 06:10:16,034 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1123 transitions. Word has length 171 [2021-11-20 06:10:16,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:16,034 INFO L470 AbstractCegarLoop]: Abstraction has 851 states and 1123 transitions. [2021-11-20 06:10:16,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 06:10:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1123 transitions. [2021-11-20 06:10:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-20 06:10:16,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:16,039 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:16,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:10:16,040 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:16,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -595602417, now seen corresponding path program 1 times [2021-11-20 06:10:16,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:16,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827742707] [2021-11-20 06:10:16,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:16,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:10:16,179 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:10:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:10:16,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:10:16,390 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:10:16,391 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:10:16,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:10:16,396 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:16,399 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:10:16,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,424 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,425 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,425 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,425 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,426 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,426 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,426 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,426 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,427 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,427 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,427 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,427 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,428 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,428 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,428 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,428 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,429 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,429 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,429 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,429 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,430 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,430 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,430 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,430 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,431 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,431 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,431 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,431 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,432 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,433 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,434 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,435 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,436 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,437 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,438 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,439 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,440 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,441 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,442 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,443 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,448 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,448 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,448 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,448 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,449 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,452 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,456 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,457 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,458 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,459 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,462 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,462 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,462 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,462 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,462 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,463 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,463 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,463 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,463 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,463 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,464 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,464 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,464 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,465 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,474 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,475 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,475 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,476 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,476 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,476 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,476 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,477 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,478 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,478 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,479 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,479 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,479 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,479 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,480 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,480 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,480 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,480 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,480 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,481 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,482 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,482 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,482 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,482 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,483 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,483 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,483 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,483 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,484 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,492 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,493 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,497 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,498 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,498 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,498 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,499 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,500 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,501 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,502 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,503 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,504 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,505 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,506 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,508 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,509 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,511 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,518 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,519 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,520 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,521 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,522 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,523 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,524 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,525 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,526 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,527 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,528 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,533 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,534 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-20 06:10:16,535 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-20 06:10:16,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:10:16 BoogieIcfgContainer [2021-11-20 06:10:16,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:10:16,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:10:16,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:10:16,711 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:10:16,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:06" (3/4) ... [2021-11-20 06:10:16,717 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:10:16,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:10:16,718 INFO L158 Benchmark]: Toolchain (without parser) took 13343.98ms. Allocated memory was 113.2MB in the beginning and 293.6MB in the end (delta: 180.4MB). Free memory was 75.5MB in the beginning and 117.1MB in the end (delta: -41.6MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,718 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:10:16,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1425.57ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.07ms. Allocated memory is still 136.3MB. Free memory was 73.8MB in the beginning and 69.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,719 INFO L158 Benchmark]: Boogie Preprocessor took 101.68ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 64.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,720 INFO L158 Benchmark]: RCFGBuilder took 1068.31ms. Allocated memory is still 136.3MB. Free memory was 64.7MB in the beginning and 53.6MB in the end (delta: 11.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,720 INFO L158 Benchmark]: TraceAbstraction took 10615.62ms. Allocated memory was 136.3MB in the beginning and 293.6MB in the end (delta: 157.3MB). Free memory was 52.9MB in the beginning and 117.1MB in the end (delta: -64.2MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2021-11-20 06:10:16,721 INFO L158 Benchmark]: Witness Printer took 6.21ms. Allocated memory is still 293.6MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:10:16,723 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1425.57ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 75.2MB in the beginning and 73.8MB in the end (delta: 1.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.07ms. Allocated memory is still 136.3MB. Free memory was 73.8MB in the beginning and 69.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.68ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 64.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.31ms. Allocated memory is still 136.3MB. Free memory was 64.7MB in the beginning and 53.6MB in the end (delta: 11.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10615.62ms. Allocated memory was 136.3MB in the beginning and 293.6MB in the end (delta: 157.3MB). Free memory was 52.9MB in the beginning and 117.1MB in the end (delta: -64.2MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. * Witness Printer took 6.21ms. Allocated memory is still 293.6MB. Free memory is still 117.1MB. 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.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5354]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5431. Possible FailurePath: [L5377] int LDV_IN_INTERRUPT = 1; [L5378] int ref_cnt ; [L5379] int ldv_state_variable_1 ; [L5380] struct archdr *capmode_proto_group0 ; [L5381] int ldv_state_variable_0 ; [L5382] struct net_device *capmode_proto_group1 ; [L5586-L5588] static struct ArcProto capmode_proto = {114, 508, 0, & rx, & build_header, & prepare_tx, (int (*)(struct net_device * , int ))0, & ack_tx}; [L5630] int ldv_retval_0 ; [L5845] Element set_impl[15] ; [L5846] int last_index = 0; [L5980] Set LDV_SKBS ; VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5647] int ldvarg7 ; [L5648] int tmp ; [L5649] struct sk_buff *ldvarg3 ; [L5650] void *tmp___0 ; [L5651] int ldvarg0 ; [L5652] int tmp___1 ; [L5653] int ldvarg5 ; [L5654] int tmp___2 ; [L5655] int ldvarg6 ; [L5656] int tmp___3 ; [L5657] int ldvarg1 ; [L5658] int tmp___4 ; [L5659] unsigned short ldvarg4 ; [L5660] unsigned short tmp___5 ; [L5661] uint8_t ldvarg2 ; [L5662] int tmp___6 ; [L5663] int tmp___7 ; [L5664] int tmp___8 ; [L5666] tmp = __VERIFIER_nondet_int() [L5667] ldvarg7 = tmp VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg2={18446744073709551618:0}, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0] [L5668] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=232, \result={-2:0}, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5668] RET, EXPR ldv_successful_zalloc(232UL) VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_successful_zalloc(232UL)={-2:0}, ldvarg2={18446744073709551618:0}, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0] [L5668] tmp___0 = ldv_successful_zalloc(232UL) [L5669] ldvarg3 = (struct sk_buff *)tmp___0 [L5670] tmp___1 = __VERIFIER_nondet_int() [L5671] ldvarg0 = tmp___1 [L5672] tmp___2 = __VERIFIER_nondet_int() [L5673] ldvarg5 = tmp___2 [L5674] tmp___3 = __VERIFIER_nondet_int() [L5675] ldvarg6 = tmp___3 [L5676] tmp___4 = __VERIFIER_nondet_int() [L5677] ldvarg1 = tmp___4 [L5678] tmp___5 = __VERIFIER_nondet_ushort() [L5679] ldvarg4 = tmp___5 [L5680] CALL ldv_initialize() [L5999] CALL ldv_set_init(LDV_SKBS) [L5851] set = set_impl [L5852] last_index = 0 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set={0:0}, set={17:0}, set_impl={17:0}] [L5999] RET ldv_set_init(LDV_SKBS) [L5680] RET ldv_initialize() [L5681] FCALL memset((void *)(& ldvarg2), 0, 1UL) [L5682] ldv_state_variable_1 = 0 [L5683] ref_cnt = 0 [L5684] ldv_state_variable_0 = 1 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: [L5727] case 1: VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1] [L5728] COND TRUE ldv_state_variable_0 != 0 [L5729] tmp___8 = __VERIFIER_nondet_int() [L5731] case 0: [L5739] case 1: VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___8=1] [L5740] COND TRUE ldv_state_variable_0 == 1 [L5741] CALL, EXPR capmode_module_init() [L5619] CALL arcnet_cap_init() [L5591] int count ; [L5593] count = 1 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND FALSE !(count <= 8) VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5606] COND TRUE (unsigned long )arc_bcast_proto == (unsigned long )arc_proto_default [L5607] arc_bcast_proto = & capmode_proto VAL [arc_bcast_proto={16:0}, arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5610] arc_proto_default = & capmode_proto [L5611] arc_raw_proto = & capmode_proto VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5619] RET arcnet_cap_init() [L5620] return (0); VAL [\result=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5741] RET, EXPR capmode_module_init() [L5741] ldv_retval_0 = capmode_module_init() [L5742] COND TRUE ldv_retval_0 == 0 [L5743] ldv_state_variable_0 = 3 [L5744] ldv_state_variable_1 = 1 [L5745] CALL ldv_initialize_ArcProto_1() [L5635] void *tmp ; [L5636] void *tmp___0 ; VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5638] CALL, EXPR ldv_successful_zalloc(20UL) VAL [\old(__size)=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=20, \result={-4:0}, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5638] RET, EXPR ldv_successful_zalloc(20UL) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(20UL)={-4:0}, ref_cnt=0, set_impl={17:0}] [L5638] tmp = ldv_successful_zalloc(20UL) [L5639] capmode_proto_group0 = (struct archdr *)tmp VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp={-4:0}] [L5640] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=3264, \result={-5:0}, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5640] RET, EXPR ldv_successful_zalloc(3264UL) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(3264UL)={-5:0}, ref_cnt=0, set_impl={17:0}, tmp={-4:0}] [L5640] tmp___0 = ldv_successful_zalloc(3264UL) [L5641] capmode_proto_group1 = (struct net_device *)tmp___0 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp={-4:0}, tmp___0={-5:0}] [L5745] RET ldv_initialize_ArcProto_1() [L5748] COND FALSE !(ldv_retval_0 != 0) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___8=1] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___8=1] [L5689] COND TRUE ldv_state_variable_1 != 0 [L5690] tmp___7 = __VERIFIER_nondet_int() [L5692] case 0: [L5699] case 1: [L5706] case 2: [L5713] case 3: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___7=3, tmp___8=1] [L5714] COND TRUE ldv_state_variable_1 == 1 [L5715] CALL rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5408] struct arcnet_local *lp ; [L5409] void *tmp ; [L5410] struct sk_buff *skb ; [L5411] struct archdr *pkt ; [L5412] char *pktbuf ; [L5413] char *pkthdrbuf ; [L5414] int ofs ; [L5415] unsigned char *tmp___0 ; [L5416] size_t __len ; [L5417] void *__ret ; [L5418] size_t __len___0 ; [L5419] void *__ret___0 ; VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}] [L5421] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5387] return ((void *)dev + 3264U); VAL [\result={-5:3264}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5421] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, netdev_priv((struct net_device const *)dev)={-5:3264}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}] [L5421] tmp = netdev_priv((struct net_device const *)dev) [L5422] lp = (struct arcnet_local *)tmp [L5423] pkt = pkthdr VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5424] COND TRUE length > 256 [L5425] ofs = 512 - length VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5429] CALL, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5817] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265] [L5819] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5983] void *skb ; [L5984] void *tmp___7 ; VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5986] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(__size)=248, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=248, \old(last_index)=0, \result={18446744073709551616:0}, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5986] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(sizeof(struct sk_buff___0 ))={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5986] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5987] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L5988] COND FALSE !(! skb) [L5991] CALL ldv_set_add(LDV_SKBS, skb) [L5859] int i ; [L5861] i = 0 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5862] COND TRUE 1 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5863] COND FALSE !(i < last_index) VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5873] COND TRUE last_index < 15 [L5874] set_impl[last_index] = e [L5875] last_index = last_index + 1 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5991] RET ldv_set_add(LDV_SKBS, skb) [L5992] return (skb); VAL [\old(last_index)=0, \result={18446744073709551616:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L5819] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_skb_alloc()={18446744073709551616:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265] [L5819] tmp = ldv_skb_alloc() [L5820] COND TRUE \read(*tmp) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5822] CALL, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5302] void *p ; [L5303] void *tmp ; [L5304] int tmp___0 ; [L5306] tmp___0 = __VERIFIER_nondet_int() [L5307] COND TRUE tmp___0 != 0 [L5308] return ((void *)0); VAL [\old(last_index)=0, \old(size)=265, \result={0:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, size=265, tmp___0=-6] [L5822] RET, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5822] tmp->head = ldv_malloc(size) [L5823] EXPR tmp->head [L5823] tmp->data = tmp->head [L5825] return (tmp); VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, \result={18446744073709551616:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5429] RET, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, ldv_alloc_skb_14((unsigned int )length + 8U, 32U)={18446744073709551616:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5429] skb = ldv_alloc_skb_14((unsigned int )length + 8U, 32U) [L5430] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp={-5:3264}] [L5431] COND FALSE !(arcnet_debug & 1) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp={-5:3264}] [L5435] EXPR dev->stats.rx_dropped [L5435] dev->stats.rx_dropped = dev->stats.rx_dropped + 1UL [L5715] RET rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5716] ldv_state_variable_1 = 1 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___7=3, tmp___8=1] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: [L5727] case 1: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=1] [L5728] COND TRUE ldv_state_variable_0 != 0 [L5729] tmp___8 = __VERIFIER_nondet_int() [L5731] case 0: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=0] [L5732] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5733] CALL capmode_module_exit() [L5626] FCALL arcnet_unregister_proto(& capmode_proto) [L5733] RET capmode_module_exit() [L5734] ldv_state_variable_0 = 2 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=0] [L5769] CALL ldv_check_final_state() [L6050] int tmp___7 ; [L6052] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5941] return (last_index == 0); VAL [\result=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L6052] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6052] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6053] COND FALSE !(\read(tmp___7)) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp___7=0] [L6055] CALL ldv_error() VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5354] reach_error() VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1739 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1657 mSDsluCounter, 9868 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7213 mSDsCounter, 842 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2417 IncrementalHoareTripleChecker+Invalid, 3259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 842 mSolverCounterUnsat, 2655 mSDtfsCounter, 2417 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 601 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=851occurred in iteration=9, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 322 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1173 ConstructedInterpolants, 0 QuantifiedInterpolants, 1817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1221 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 716/803 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 [2021-11-20 06:10:16,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF --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 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:10:19,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:10:19,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:10:19,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:10:19,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:10:19,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:10:19,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:10:19,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:10:19,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:10:19,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:10:19,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:10:19,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:10:19,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:10:19,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:10:19,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:10:19,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:10:19,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:10:19,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:10:19,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:10:19,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:10:19,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:10:19,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:10:19,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:10:19,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:10:19,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:10:19,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:10:19,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:10:19,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:10:19,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:10:19,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:10:19,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:10:19,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:10:19,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:10:19,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:10:19,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:10:19,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:10:19,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:10:19,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:10:19,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:10:19,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:10:19,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:10:19,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 06:10:19,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:10:19,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:10:19,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:10:19,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:10:19,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:10:19,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:10:19,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:10:19,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:10:19,538 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:10:19,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:10:19,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:10:19,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:10:19,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:10:19,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:10:19,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:10:19,541 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:10:19,541 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:10:19,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:10:19,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:10:19,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:10:19,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:10:19,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:10:19,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:10:19,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:10:19,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:10:19,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:10:19,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:10:19,544 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:10:19,544 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:10:19,544 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:10:19,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:10:19,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:10:19,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:10:19,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:10:19,546 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_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-11-20 06:10:19,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:10:19,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:10:19,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:10:19,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:10:19,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:10:19,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:20,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/193488dab/83c8e3a59d5042c7bb4e80af2934c483/FLAG2b085c856 [2021-11-20 06:10:20,843 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:10:20,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:20,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/193488dab/83c8e3a59d5042c7bb4e80af2934c483/FLAG2b085c856 [2021-11-20 06:10:20,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/data/193488dab/83c8e3a59d5042c7bb4e80af2934c483 [2021-11-20 06:10:20,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:10:20,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:10:20,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:10:20,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:10:20,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:10:20,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:20" (1/1) ... [2021-11-20 06:10:20,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411dd594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:20, skipping insertion in model container [2021-11-20 06:10:20,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:20" (1/1) ... [2021-11-20 06:10:20,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:10:21,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:10:21,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-20 06:10:22,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:10:22,261 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 06:10:22,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:10:22,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-20 06:10:22,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:10:22,550 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:10:22,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-20 06:10:22,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:10:22,897 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:10:22,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22 WrapperNode [2021-11-20 06:10:22,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:10:22,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:10:22,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:10:22,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:10:22,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:22,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,028 INFO L137 Inliner]: procedures = 103, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 529 [2021-11-20 06:10:23,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:10:23,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:10:23,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:10:23,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:10:23,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:10:23,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:10:23,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:10:23,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:10:23,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (1/1) ... [2021-11-20 06:10:23,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:10:23,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:10:23,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:10:23,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:10:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 06:10:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 06:10:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:10:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:10:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 06:10:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:10:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:10:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:10:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:10:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:10:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:10:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:10:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:10:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:10:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-11-20 06:10:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-11-20 06:10:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-20 06:10:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-20 06:10:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-20 06:10:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-20 06:10:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:10:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:10:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-20 06:10:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-20 06:10:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-20 06:10:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-20 06:10:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:10:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:10:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:10:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-11-20 06:10:23,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-11-20 06:10:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:10:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:10:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:10:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-20 06:10:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-20 06:10:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-20 06:10:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:10:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-20 06:10:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-20 06:10:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 06:10:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 06:10:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 06:10:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:10:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:10:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:10:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:10:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:10:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 06:10:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 06:10:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-11-20 06:10:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-11-20 06:10:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:10:23,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:10:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-11-20 06:10:23,259 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-11-20 06:10:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-20 06:10:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-20 06:10:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-20 06:10:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:10:23,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:10:23,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:10:23,625 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:10:23,898 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:10:27,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:10:27,066 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:10:27,066 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:10:27,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:27 BoogieIcfgContainer [2021-11-20 06:10:27,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:10:27,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:10:27,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:10:27,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:10:27,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:10:20" (1/3) ... [2021-11-20 06:10:27,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c29d53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:10:27, skipping insertion in model container [2021-11-20 06:10:27,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:22" (2/3) ... [2021-11-20 06:10:27,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c29d53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:10:27, skipping insertion in model container [2021-11-20 06:10:27,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:27" (3/3) ... [2021-11-20 06:10:27,086 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-20 06:10:27,092 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:10:27,092 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:10:27,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:10:27,156 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:10:27,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:10:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-20 06:10:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 06:10:27,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:27,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:27,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:27,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1585805392, now seen corresponding path program 1 times [2021-11-20 06:10:27,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:27,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872580857] [2021-11-20 06:10:27,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:27,217 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:27,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:27,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:27,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 06:10:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:27,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 06:10:27,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:27,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:27,961 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:27,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872580857] [2021-11-20 06:10:27,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872580857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:27,962 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:27,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-20 06:10:27,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295451057] [2021-11-20 06:10:27,965 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:27,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:10:27,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:28,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:10:28,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:10:28,015 INFO L87 Difference]: Start difference. First operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:28,105 INFO L93 Difference]: Finished difference Result 449 states and 630 transitions. [2021-11-20 06:10:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:10:28,108 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-20 06:10:28,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:28,124 INFO L225 Difference]: With dead ends: 449 [2021-11-20 06:10:28,130 INFO L226 Difference]: Without dead ends: 217 [2021-11-20 06:10:28,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:10:28,147 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:28,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:10:28,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-11-20 06:10:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-11-20 06:10:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-11-20 06:10:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-11-20 06:10:28,233 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 35 [2021-11-20 06:10:28,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:28,234 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-11-20 06:10:28,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:28,234 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-11-20 06:10:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-20 06:10:28,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:28,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:28,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:28,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:28,451 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:28,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1719818898, now seen corresponding path program 1 times [2021-11-20 06:10:28,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:28,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295939731] [2021-11-20 06:10:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:28,453 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:28,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 06:10:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:28,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:10:28,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:28,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:10:29,023 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:29,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295939731] [2021-11-20 06:10:29,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295939731] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:29,026 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:29,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:10:29,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270185217] [2021-11-20 06:10:29,027 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:29,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:29,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:29,030 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:29,110 INFO L93 Difference]: Finished difference Result 428 states and 569 transitions. [2021-11-20 06:10:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:10:29,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-11-20 06:10:29,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:29,116 INFO L225 Difference]: With dead ends: 428 [2021-11-20 06:10:29,116 INFO L226 Difference]: Without dead ends: 218 [2021-11-20 06:10:29,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:29,124 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:29,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 857 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:10:29,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-11-20 06:10:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-11-20 06:10:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.3012048192771084) internal successors, (216), 166 states have internal predecessors, (216), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-11-20 06:10:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 289 transitions. [2021-11-20 06:10:29,159 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 289 transitions. Word has length 35 [2021-11-20 06:10:29,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:29,160 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 289 transitions. [2021-11-20 06:10:29,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2021-11-20 06:10:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 06:10:29,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:29,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:29,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:29,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:29,382 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:29,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:29,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1435931756, now seen corresponding path program 1 times [2021-11-20 06:10:29,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:29,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240555712] [2021-11-20 06:10:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:29,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:29,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:29,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:29,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 06:10:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:29,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:10:29,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:29,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:29,813 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:29,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240555712] [2021-11-20 06:10:29,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240555712] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:29,813 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:29,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:10:29,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025665601] [2021-11-20 06:10:29,814 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:29,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:29,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:29,815 INFO L87 Difference]: Start difference. First operand 218 states and 289 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:30,258 INFO L93 Difference]: Finished difference Result 800 states and 1067 transitions. [2021-11-20 06:10:30,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:30,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2021-11-20 06:10:30,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:30,265 INFO L225 Difference]: With dead ends: 800 [2021-11-20 06:10:30,265 INFO L226 Difference]: Without dead ends: 591 [2021-11-20 06:10:30,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:30,268 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 508 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:30,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 1042 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-20 06:10:30,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-11-20 06:10:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2021-11-20 06:10:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 445 states have (on average 1.303370786516854) internal successors, (580), 445 states have internal predecessors, (580), 103 states have call successors, (103), 43 states have call predecessors, (103), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 06:10:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 785 transitions. [2021-11-20 06:10:30,350 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 785 transitions. Word has length 36 [2021-11-20 06:10:30,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:30,351 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 785 transitions. [2021-11-20 06:10:30,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:30,352 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 785 transitions. [2021-11-20 06:10:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 06:10:30,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:30,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:30,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:30,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:30,562 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:30,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:30,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1862511787, now seen corresponding path program 1 times [2021-11-20 06:10:30,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:30,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710009336] [2021-11-20 06:10:30,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:30,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:30,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:30,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:30,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 06:10:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:30,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:10:30,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:30,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:30,998 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:30,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710009336] [2021-11-20 06:10:30,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710009336] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:30,999 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:30,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:10:30,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099124927] [2021-11-20 06:10:30,999 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:31,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:31,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:31,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:31,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:31,001 INFO L87 Difference]: Start difference. First operand 591 states and 785 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:31,081 INFO L93 Difference]: Finished difference Result 1178 states and 1567 transitions. [2021-11-20 06:10:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:31,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2021-11-20 06:10:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:31,087 INFO L225 Difference]: With dead ends: 1178 [2021-11-20 06:10:31,087 INFO L226 Difference]: Without dead ends: 596 [2021-11-20 06:10:31,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:31,090 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 12 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:31,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 566 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:10:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-11-20 06:10:31,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2021-11-20 06:10:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 450 states have (on average 1.3022222222222222) internal successors, (586), 450 states have internal predecessors, (586), 103 states have call successors, (103), 43 states have call predecessors, (103), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 06:10:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 791 transitions. [2021-11-20 06:10:31,124 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 791 transitions. Word has length 42 [2021-11-20 06:10:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:31,125 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 791 transitions. [2021-11-20 06:10:31,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 791 transitions. [2021-11-20 06:10:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 06:10:31,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:31,127 INFO L514 BasicCegarLoop]: 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] [2021-11-20 06:10:31,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:31,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:31,340 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:31,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:31,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1997190471, now seen corresponding path program 1 times [2021-11-20 06:10:31,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:31,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971569982] [2021-11-20 06:10:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:31,341 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:31,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:31,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 06:10:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:31,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:10:31,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:31,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 06:10:31,900 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:31,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971569982] [2021-11-20 06:10:31,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971569982] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:10:31,901 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:10:31,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 06:10:31,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535208782] [2021-11-20 06:10:31,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:10:31,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:10:31,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:10:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:10:31,903 INFO L87 Difference]: Start difference. First operand 596 states and 791 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:32,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:32,175 INFO L93 Difference]: Finished difference Result 1199 states and 1595 transitions. [2021-11-20 06:10:32,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:10:32,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2021-11-20 06:10:32,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:32,180 INFO L225 Difference]: With dead ends: 1199 [2021-11-20 06:10:32,180 INFO L226 Difference]: Without dead ends: 612 [2021-11-20 06:10:32,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:10:32,183 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 36 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:32,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 1137 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:10:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2021-11-20 06:10:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2021-11-20 06:10:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 466 states have (on average 1.3004291845493563) internal successors, (606), 466 states have internal predecessors, (606), 103 states have call successors, (103), 43 states have call predecessors, (103), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 06:10:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 811 transitions. [2021-11-20 06:10:32,239 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 811 transitions. Word has length 50 [2021-11-20 06:10:32,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:32,239 INFO L470 AbstractCegarLoop]: Abstraction has 612 states and 811 transitions. [2021-11-20 06:10:32,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 811 transitions. [2021-11-20 06:10:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-20 06:10:32,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:32,242 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:32,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:32,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:32,460 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash 765018923, now seen corresponding path program 2 times [2021-11-20 06:10:32,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:32,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621493123] [2021-11-20 06:10:32,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:10:32,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:32,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:32,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 06:10:32,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:10:32,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:10:32,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:10:32,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-20 06:10:32,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-20 06:10:32,984 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621493123] [2021-11-20 06:10:32,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621493123] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:32,985 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:32,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 06:10:32,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494990603] [2021-11-20 06:10:32,985 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:32,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:10:32,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:10:32,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:10:32,987 INFO L87 Difference]: Start difference. First operand 612 states and 811 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:33,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:33,237 INFO L93 Difference]: Finished difference Result 1214 states and 1609 transitions. [2021-11-20 06:10:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:10:33,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 66 [2021-11-20 06:10:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:33,243 INFO L225 Difference]: With dead ends: 1214 [2021-11-20 06:10:33,243 INFO L226 Difference]: Without dead ends: 611 [2021-11-20 06:10:33,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:10:33,246 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 430 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:33,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 712 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:10:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-11-20 06:10:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2021-11-20 06:10:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 465 states have (on average 1.2946236559139785) internal successors, (602), 465 states have internal predecessors, (602), 103 states have call successors, (103), 43 states have call predecessors, (103), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 06:10:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 807 transitions. [2021-11-20 06:10:33,294 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 807 transitions. Word has length 66 [2021-11-20 06:10:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:33,295 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 807 transitions. [2021-11-20 06:10:33,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:10:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 807 transitions. [2021-11-20 06:10:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 06:10:33,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:33,299 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:33,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:33,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:33,512 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:33,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:33,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1664995114, now seen corresponding path program 1 times [2021-11-20 06:10:33,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:33,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676819083] [2021-11-20 06:10:33,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:33,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:33,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:33,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:33,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 06:10:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:33,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:10:33,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 33 proven. 66 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:10:34,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 5 proven. 66 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-20 06:10:34,804 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:34,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676819083] [2021-11-20 06:10:34,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676819083] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:10:34,804 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:10:34,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-20 06:10:34,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395429877] [2021-11-20 06:10:34,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:10:34,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:10:34,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:34,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:10:34,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:10:34,805 INFO L87 Difference]: Start difference. First operand 611 states and 807 transitions. Second operand has 16 states, 16 states have (on average 6.5625) internal successors, (105), 16 states have internal predecessors, (105), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 06:10:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:35,638 INFO L93 Difference]: Finished difference Result 1035 states and 1369 transitions. [2021-11-20 06:10:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:10:35,639 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.5625) internal successors, (105), 16 states have internal predecessors, (105), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 107 [2021-11-20 06:10:35,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:35,644 INFO L225 Difference]: With dead ends: 1035 [2021-11-20 06:10:35,644 INFO L226 Difference]: Without dead ends: 619 [2021-11-20 06:10:35,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:10:35,646 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 32 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:35,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 4252 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 06:10:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-11-20 06:10:35,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2021-11-20 06:10:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 473 states have (on average 1.2938689217758985) internal successors, (612), 473 states have internal predecessors, (612), 103 states have call successors, (103), 43 states have call predecessors, (103), 42 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2021-11-20 06:10:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 817 transitions. [2021-11-20 06:10:35,695 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 817 transitions. Word has length 107 [2021-11-20 06:10:35,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:35,696 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 817 transitions. [2021-11-20 06:10:35,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.5625) internal successors, (105), 16 states have internal predecessors, (105), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 06:10:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 817 transitions. [2021-11-20 06:10:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-20 06:10:35,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:35,699 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:35,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:35,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:35,915 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:35,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1274453284, now seen corresponding path program 2 times [2021-11-20 06:10:35,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:35,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131473817] [2021-11-20 06:10:35,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:10:35,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:35,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:35,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:35,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 06:10:36,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:10:36,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:10:36,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:10:36,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-20 06:10:36,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2021-11-20 06:10:37,098 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:37,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131473817] [2021-11-20 06:10:37,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131473817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:37,099 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:37,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:10:37,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117607272] [2021-11-20 06:10:37,099 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:37,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:10:37,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:37,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:10:37,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:37,100 INFO L87 Difference]: Start difference. First operand 619 states and 817 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 06:10:37,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:37,311 INFO L93 Difference]: Finished difference Result 1836 states and 2454 transitions. [2021-11-20 06:10:37,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:10:37,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-11-20 06:10:37,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:37,322 INFO L225 Difference]: With dead ends: 1836 [2021-11-20 06:10:37,323 INFO L226 Difference]: Without dead ends: 1221 [2021-11-20 06:10:37,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:10:37,326 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 232 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:37,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 1523 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:10:37,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2021-11-20 06:10:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1209. [2021-11-20 06:10:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 920 states have (on average 1.2934782608695652) internal successors, (1190), 920 states have internal predecessors, (1190), 204 states have call successors, (204), 85 states have call predecessors, (204), 84 states have return successors, (221), 203 states have call predecessors, (221), 203 states have call successors, (221) [2021-11-20 06:10:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1615 transitions. [2021-11-20 06:10:37,409 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1615 transitions. Word has length 115 [2021-11-20 06:10:37,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:37,410 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1615 transitions. [2021-11-20 06:10:37,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 06:10:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1615 transitions. [2021-11-20 06:10:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-20 06:10:37,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:37,417 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:37,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-11-20 06:10:37,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:37,635 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:37,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:37,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1880699394, now seen corresponding path program 1 times [2021-11-20 06:10:37,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:37,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102632752] [2021-11-20 06:10:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:37,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:37,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:37,637 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:37,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 06:10:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:38,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:10:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:38,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:39,293 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:39,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102632752] [2021-11-20 06:10:39,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102632752] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:39,294 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:39,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2021-11-20 06:10:39,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035807221] [2021-11-20 06:10:39,295 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:39,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 06:10:39,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:39,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 06:10:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:10:39,297 INFO L87 Difference]: Start difference. First operand 1209 states and 1615 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 06:10:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:39,629 INFO L93 Difference]: Finished difference Result 2409 states and 3243 transitions. [2021-11-20 06:10:39,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:10:39,629 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) Word has length 166 [2021-11-20 06:10:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:39,639 INFO L225 Difference]: With dead ends: 2409 [2021-11-20 06:10:39,639 INFO L226 Difference]: Without dead ends: 1209 [2021-11-20 06:10:39,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:10:39,646 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 16 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:39,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 2452 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:10:39,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-11-20 06:10:39,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2021-11-20 06:10:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 920 states have (on average 1.2804347826086957) internal successors, (1178), 920 states have internal predecessors, (1178), 204 states have call successors, (204), 85 states have call predecessors, (204), 84 states have return successors, (221), 203 states have call predecessors, (221), 203 states have call successors, (221) [2021-11-20 06:10:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1603 transitions. [2021-11-20 06:10:39,723 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1603 transitions. Word has length 166 [2021-11-20 06:10:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:39,723 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1603 transitions. [2021-11-20 06:10:39,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-20 06:10:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1603 transitions. [2021-11-20 06:10:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-20 06:10:39,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:39,730 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:39,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:39,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:39,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:39,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:39,947 INFO L85 PathProgramCache]: Analyzing trace with hash -313383669, now seen corresponding path program 1 times [2021-11-20 06:10:39,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:39,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739966351] [2021-11-20 06:10:39,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:39,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:39,949 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:39,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 06:10:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:40,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 06:10:40,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:41,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:43,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:43,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739966351] [2021-11-20 06:10:43,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739966351] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:43,418 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:43,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 24 [2021-11-20 06:10:43,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084648785] [2021-11-20 06:10:43,418 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:43,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 06:10:43,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 06:10:43,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:10:43,420 INFO L87 Difference]: Start difference. First operand 1209 states and 1603 transitions. Second operand has 24 states, 24 states have (on average 4.375) internal successors, (105), 18 states have internal predecessors, (105), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-20 06:10:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:44,706 INFO L93 Difference]: Finished difference Result 2929 states and 3970 transitions. [2021-11-20 06:10:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:10:44,707 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 18 states have internal predecessors, (105), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) Word has length 172 [2021-11-20 06:10:44,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:44,720 INFO L225 Difference]: With dead ends: 2929 [2021-11-20 06:10:44,720 INFO L226 Difference]: Without dead ends: 1729 [2021-11-20 06:10:44,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:10:44,725 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 140 mSDsluCounter, 6942 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:44,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 7347 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-20 06:10:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1729 states. [2021-11-20 06:10:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1729 to 1197. [2021-11-20 06:10:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 908 states have (on average 1.2709251101321586) internal successors, (1154), 908 states have internal predecessors, (1154), 204 states have call successors, (204), 85 states have call predecessors, (204), 84 states have return successors, (221), 203 states have call predecessors, (221), 203 states have call successors, (221) [2021-11-20 06:10:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1579 transitions. [2021-11-20 06:10:44,812 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1579 transitions. Word has length 172 [2021-11-20 06:10:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:44,813 INFO L470 AbstractCegarLoop]: Abstraction has 1197 states and 1579 transitions. [2021-11-20 06:10:44,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.375) internal successors, (105), 18 states have internal predecessors, (105), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-20 06:10:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1579 transitions. [2021-11-20 06:10:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-20 06:10:44,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:44,819 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:44,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:45,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:45,034 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:45,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:45,034 INFO L85 PathProgramCache]: Analyzing trace with hash -831936403, now seen corresponding path program 1 times [2021-11-20 06:10:45,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:45,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907042060] [2021-11-20 06:10:45,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:45,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:45,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:45,039 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:45,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 06:10:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:45,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 06:10:45,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:46,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-20 06:10:48,456 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:48,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907042060] [2021-11-20 06:10:48,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907042060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:48,456 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:48,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 24 [2021-11-20 06:10:48,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467294864] [2021-11-20 06:10:48,457 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:48,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-20 06:10:48,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:48,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-20 06:10:48,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=496, Unknown=0, NotChecked=0, Total=552 [2021-11-20 06:10:48,460 INFO L87 Difference]: Start difference. First operand 1197 states and 1579 transitions. Second operand has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-20 06:10:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:49,395 INFO L93 Difference]: Finished difference Result 2971 states and 4024 transitions. [2021-11-20 06:10:49,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:10:49,396 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) Word has length 171 [2021-11-20 06:10:49,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:49,408 INFO L225 Difference]: With dead ends: 2971 [2021-11-20 06:10:49,409 INFO L226 Difference]: Without dead ends: 1783 [2021-11-20 06:10:49,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:10:49,414 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 139 mSDsluCounter, 7080 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:49,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 7492 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-20 06:10:49,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2021-11-20 06:10:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1191. [2021-11-20 06:10:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 902 states have (on average 1.2594235033259424) internal successors, (1136), 902 states have internal predecessors, (1136), 204 states have call successors, (204), 85 states have call predecessors, (204), 84 states have return successors, (221), 203 states have call predecessors, (221), 203 states have call successors, (221) [2021-11-20 06:10:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1561 transitions. [2021-11-20 06:10:49,537 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1561 transitions. Word has length 171 [2021-11-20 06:10:49,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:49,538 INFO L470 AbstractCegarLoop]: Abstraction has 1191 states and 1561 transitions. [2021-11-20 06:10:49,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (18), 13 states have call predecessors, (18), 7 states have call successors, (18) [2021-11-20 06:10:49,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1561 transitions. [2021-11-20 06:10:49,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-20 06:10:49,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:49,545 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:49,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-20 06:10:49,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:49,763 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:49,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1635967564, now seen corresponding path program 1 times [2021-11-20 06:10:49,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:49,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752225704] [2021-11-20 06:10:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:49,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:49,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:49,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:49,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 06:10:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:50,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:10:50,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-11-20 06:10:50,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-11-20 06:10:51,041 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:51,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752225704] [2021-11-20 06:10:51,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752225704] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:51,042 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:51,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:10:51,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246554663] [2021-11-20 06:10:51,042 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:51,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:10:51,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:51,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:10:51,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:51,044 INFO L87 Difference]: Start difference. First operand 1191 states and 1561 transitions. Second operand has 7 states, 5 states have (on average 23.6) internal successors, (118), 7 states have internal predecessors, (118), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:10:53,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:53,541 INFO L93 Difference]: Finished difference Result 3049 states and 4231 transitions. [2021-11-20 06:10:53,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:10:53,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 23.6) internal successors, (118), 7 states have internal predecessors, (118), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 208 [2021-11-20 06:10:53,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:53,556 INFO L225 Difference]: With dead ends: 3049 [2021-11-20 06:10:53,556 INFO L226 Difference]: Without dead ends: 1867 [2021-11-20 06:10:53,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:10:53,561 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 130 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:53,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 2259 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 06:10:53,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2021-11-20 06:10:53,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1215. [2021-11-20 06:10:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 920 states have (on average 1.2608695652173914) internal successors, (1160), 926 states have internal predecessors, (1160), 204 states have call successors, (204), 85 states have call predecessors, (204), 90 states have return successors, (245), 203 states have call predecessors, (245), 203 states have call successors, (245) [2021-11-20 06:10:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1609 transitions. [2021-11-20 06:10:53,660 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1609 transitions. Word has length 208 [2021-11-20 06:10:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:53,661 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 1609 transitions. [2021-11-20 06:10:53,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 23.6) internal successors, (118), 7 states have internal predecessors, (118), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:10:53,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1609 transitions. [2021-11-20 06:10:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-20 06:10:53,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:53,669 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:10:53,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:10:53,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:10:53,886 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:10:53,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1643836534, now seen corresponding path program 1 times [2021-11-20 06:10:53,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:10:53,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746646834] [2021-11-20 06:10:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:53,887 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:10:53,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:10:53,888 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:10:53,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 06:10:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:54,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:10:54,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:10:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-11-20 06:10:54,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:10:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-11-20 06:10:55,486 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:10:55,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746646834] [2021-11-20 06:10:55,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746646834] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:10:55,489 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:10:55,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-20 06:10:55,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304318834] [2021-11-20 06:10:55,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:10:55,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:10:55,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:10:55,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:10:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:10:55,491 INFO L87 Difference]: Start difference. First operand 1215 states and 1609 transitions. Second operand has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:10:57,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:59,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:00,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:00,474 INFO L93 Difference]: Finished difference Result 3097 states and 4297 transitions. [2021-11-20 06:11:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:11:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 209 [2021-11-20 06:11:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:00,489 INFO L225 Difference]: With dead ends: 3097 [2021-11-20 06:11:00,489 INFO L226 Difference]: Without dead ends: 1891 [2021-11-20 06:11:00,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:11:00,495 INFO L933 BasicCegarLoop]: 429 mSDtfsCounter, 264 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 38 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:00,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 2821 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 156 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2021-11-20 06:11:00,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2021-11-20 06:11:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1227. [2021-11-20 06:11:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 932 states have (on average 1.2703862660944205) internal successors, (1184), 938 states have internal predecessors, (1184), 204 states have call successors, (204), 85 states have call predecessors, (204), 90 states have return successors, (245), 203 states have call predecessors, (245), 203 states have call successors, (245) [2021-11-20 06:11:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1633 transitions. [2021-11-20 06:11:00,633 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1633 transitions. Word has length 209 [2021-11-20 06:11:00,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:00,633 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 1633 transitions. [2021-11-20 06:11:00,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1633 transitions. [2021-11-20 06:11:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-20 06:11:00,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:00,641 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:00,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:00,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:00,854 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:00,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:00,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1887774604, now seen corresponding path program 2 times [2021-11-20 06:11:00,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:00,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133209897] [2021-11-20 06:11:00,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:11:00,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:00,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:00,856 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:00,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 06:11:01,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:11:01,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:11:01,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:11:01,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:11:01,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:11:01,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:01,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133209897] [2021-11-20 06:11:01,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133209897] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:01,939 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:01,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:11:01,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257845121] [2021-11-20 06:11:01,940 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:01,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:11:01,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:01,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:11:01,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:11:01,941 INFO L87 Difference]: Start difference. First operand 1227 states and 1633 transitions. Second operand has 7 states, 5 states have (on average 23.8) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:03,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:04,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:04,423 INFO L93 Difference]: Finished difference Result 3133 states and 4399 transitions. [2021-11-20 06:11:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:11:04,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 23.8) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 210 [2021-11-20 06:11:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:04,445 INFO L225 Difference]: With dead ends: 3133 [2021-11-20 06:11:04,445 INFO L226 Difference]: Without dead ends: 1915 [2021-11-20 06:11:04,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:11:04,450 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 129 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 2263 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:04,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 2263 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 06:11:04,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2021-11-20 06:11:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1233. [2021-11-20 06:11:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 938 states have (on average 1.275053304904051) internal successors, (1196), 944 states have internal predecessors, (1196), 204 states have call successors, (204), 85 states have call predecessors, (204), 90 states have return successors, (245), 203 states have call predecessors, (245), 203 states have call successors, (245) [2021-11-20 06:11:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1645 transitions. [2021-11-20 06:11:04,553 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1645 transitions. Word has length 210 [2021-11-20 06:11:04,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:04,554 INFO L470 AbstractCegarLoop]: Abstraction has 1233 states and 1645 transitions. [2021-11-20 06:11:04,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 23.8) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:04,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1645 transitions. [2021-11-20 06:11:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-20 06:11:04,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:04,562 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:04,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:04,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:04,778 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:04,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash 92345848, now seen corresponding path program 1 times [2021-11-20 06:11:04,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:04,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372004585] [2021-11-20 06:11:04,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:04,780 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:04,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:04,781 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:04,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 06:11:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:05,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:11:05,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:11:05,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:11:06,502 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:06,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372004585] [2021-11-20 06:11:06,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372004585] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:11:06,503 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:11:06,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-20 06:11:06,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120875134] [2021-11-20 06:11:06,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:11:06,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:11:06,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:06,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:11:06,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:11:06,505 INFO L87 Difference]: Start difference. First operand 1233 states and 1645 transitions. Second operand has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:08,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:10,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:12,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:13,741 INFO L93 Difference]: Finished difference Result 3175 states and 4543 transitions. [2021-11-20 06:11:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:11:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 211 [2021-11-20 06:11:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:13,758 INFO L225 Difference]: With dead ends: 3175 [2021-11-20 06:11:13,758 INFO L226 Difference]: Without dead ends: 1951 [2021-11-20 06:11:13,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:11:13,764 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 151 mSDsluCounter, 2679 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 3109 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:13,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 3109 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 246 Invalid, 3 Unknown, 0 Unchecked, 7.1s Time] [2021-11-20 06:11:13,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2021-11-20 06:11:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1239. [2021-11-20 06:11:13,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 944 states have (on average 1.2796610169491525) internal successors, (1208), 950 states have internal predecessors, (1208), 204 states have call successors, (204), 85 states have call predecessors, (204), 90 states have return successors, (245), 203 states have call predecessors, (245), 203 states have call successors, (245) [2021-11-20 06:11:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1657 transitions. [2021-11-20 06:11:13,906 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1657 transitions. Word has length 211 [2021-11-20 06:11:13,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:13,907 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 1657 transitions. [2021-11-20 06:11:13,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1657 transitions. [2021-11-20 06:11:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-20 06:11:13,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:13,915 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:13,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:14,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:14,132 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:14,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1706370162, now seen corresponding path program 2 times [2021-11-20 06:11:14,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:14,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181575342] [2021-11-20 06:11:14,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:11:14,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:14,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:14,134 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:14,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-20 06:11:15,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:11:15,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:11:15,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 06:11:15,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 35 proven. 28 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-20 06:11:16,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-20 06:11:19,669 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:19,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181575342] [2021-11-20 06:11:19,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181575342] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:11:19,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:11:19,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 18 [2021-11-20 06:11:19,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716749192] [2021-11-20 06:11:19,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:19,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 06:11:19,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:19,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 06:11:19,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-11-20 06:11:19,672 INFO L87 Difference]: Start difference. First operand 1239 states and 1657 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-20 06:11:22,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:25,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:27,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:29,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:31,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:33,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:35,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:39,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:41,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:42,058 INFO L93 Difference]: Finished difference Result 3898 states and 5236 transitions. [2021-11-20 06:11:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:11:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 212 [2021-11-20 06:11:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:42,082 INFO L225 Difference]: With dead ends: 3898 [2021-11-20 06:11:42,082 INFO L226 Difference]: Without dead ends: 3268 [2021-11-20 06:11:42,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 406 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:11:42,086 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 1919 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 559 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:42,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1944 Valid, 1901 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 761 Invalid, 9 Unknown, 0 Unchecked, 21.3s Time] [2021-11-20 06:11:42,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2021-11-20 06:11:42,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 3081. [2021-11-20 06:11:42,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3081 states, 2336 states have (on average 1.2756849315068493) internal successors, (2980), 2357 states have internal predecessors, (2980), 507 states have call successors, (507), 211 states have call predecessors, (507), 237 states have return successors, (668), 512 states have call predecessors, (668), 506 states have call successors, (668) [2021-11-20 06:11:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 3081 states and 4155 transitions. [2021-11-20 06:11:42,358 INFO L78 Accepts]: Start accepts. Automaton has 3081 states and 4155 transitions. Word has length 212 [2021-11-20 06:11:42,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:42,359 INFO L470 AbstractCegarLoop]: Abstraction has 3081 states and 4155 transitions. [2021-11-20 06:11:42,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-11-20 06:11:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 4155 transitions. [2021-11-20 06:11:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-20 06:11:42,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:42,372 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-11-20 06:11:42,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:42,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:42,591 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1481772989, now seen corresponding path program 1 times [2021-11-20 06:11:42,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:42,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695517576] [2021-11-20 06:11:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:42,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:42,593 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:42,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 06:11:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:11:43,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-20 06:11:43,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-20 06:11:43,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:43,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695517576] [2021-11-20 06:11:43,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695517576] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:43,911 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:43,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:11:43,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109431158] [2021-11-20 06:11:43,912 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:43,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:11:43,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:43,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:11:43,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:11:43,913 INFO L87 Difference]: Start difference. First operand 3081 states and 4155 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:11:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:44,296 INFO L93 Difference]: Finished difference Result 7429 states and 10180 transitions. [2021-11-20 06:11:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:11:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 227 [2021-11-20 06:11:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:44,326 INFO L225 Difference]: With dead ends: 7429 [2021-11-20 06:11:44,326 INFO L226 Difference]: Without dead ends: 4357 [2021-11-20 06:11:44,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:11:44,335 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 232 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:44,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 677 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:11:44,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2021-11-20 06:11:44,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 3051. [2021-11-20 06:11:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 2321 states have (on average 1.2710038776389487) internal successors, (2950), 2342 states have internal predecessors, (2950), 492 states have call successors, (492), 211 states have call predecessors, (492), 237 states have return successors, (635), 497 states have call predecessors, (635), 491 states have call successors, (635) [2021-11-20 06:11:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4077 transitions. [2021-11-20 06:11:44,620 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4077 transitions. Word has length 227 [2021-11-20 06:11:44,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:44,621 INFO L470 AbstractCegarLoop]: Abstraction has 3051 states and 4077 transitions. [2021-11-20 06:11:44,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 06:11:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4077 transitions. [2021-11-20 06:11:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-20 06:11:44,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:44,631 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-11-20 06:11:44,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:44,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:44,846 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:44,846 INFO L85 PathProgramCache]: Analyzing trace with hash 954886653, now seen corresponding path program 1 times [2021-11-20 06:11:44,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:44,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745007262] [2021-11-20 06:11:44,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:44,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:44,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:44,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-20 06:11:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:45,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:11:45,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-20 06:11:45,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:11:46,255 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:46,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745007262] [2021-11-20 06:11:46,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745007262] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:11:46,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:11:46,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-20 06:11:46,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044417027] [2021-11-20 06:11:46,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:46,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:11:46,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:46,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:11:46,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:11:46,260 INFO L87 Difference]: Start difference. First operand 3051 states and 4077 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 06:11:48,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:48,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:48,696 INFO L93 Difference]: Finished difference Result 7423 states and 10135 transitions. [2021-11-20 06:11:48,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:11:48,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 227 [2021-11-20 06:11:48,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:48,734 INFO L225 Difference]: With dead ends: 7423 [2021-11-20 06:11:48,734 INFO L226 Difference]: Without dead ends: 4381 [2021-11-20 06:11:48,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:11:48,743 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 118 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:48,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 1469 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:11:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2021-11-20 06:11:49,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 3075. [2021-11-20 06:11:49,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3075 states, 2333 states have (on average 1.269609944277754) internal successors, (2962), 2366 states have internal predecessors, (2962), 492 states have call successors, (492), 211 states have call predecessors, (492), 249 states have return successors, (656), 497 states have call predecessors, (656), 491 states have call successors, (656) [2021-11-20 06:11:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4110 transitions. [2021-11-20 06:11:49,065 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4110 transitions. Word has length 227 [2021-11-20 06:11:49,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:49,066 INFO L470 AbstractCegarLoop]: Abstraction has 3075 states and 4110 transitions. [2021-11-20 06:11:49,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 06:11:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4110 transitions. [2021-11-20 06:11:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-20 06:11:49,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:49,079 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:11:49,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:11:49,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:11:49,294 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:11:49,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:49,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1365199469, now seen corresponding path program 1 times [2021-11-20 06:11:49,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:11:49,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354088598] [2021-11-20 06:11:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:49,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:11:49,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:11:49,297 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:11:49,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 06:11:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:50,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:11:50,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:11:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:11:50,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:11:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:11:51,644 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:11:51,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354088598] [2021-11-20 06:11:51,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354088598] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:11:51,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:11:51,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-11-20 06:11:51,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436498860] [2021-11-20 06:11:51,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:11:51,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:11:51,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:11:51,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:11:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:11:51,646 INFO L87 Difference]: Start difference. First operand 3075 states and 4110 transitions. Second operand has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:11:53,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:55,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:57,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:59,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:01,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:01,640 INFO L93 Difference]: Finished difference Result 7876 states and 11209 transitions. [2021-11-20 06:12:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:12:01,642 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 214 [2021-11-20 06:12:01,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:01,674 INFO L225 Difference]: With dead ends: 7876 [2021-11-20 06:12:01,675 INFO L226 Difference]: Without dead ends: 4810 [2021-11-20 06:12:01,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:12:01,684 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 169 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:01,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 3494 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 285 Invalid, 4 Unknown, 0 Unchecked, 9.5s Time] [2021-11-20 06:12:01,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2021-11-20 06:12:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 3087. [2021-11-20 06:12:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 2345 states have (on average 1.2733475479744136) internal successors, (2986), 2378 states have internal predecessors, (2986), 492 states have call successors, (492), 211 states have call predecessors, (492), 249 states have return successors, (656), 497 states have call predecessors, (656), 491 states have call successors, (656) [2021-11-20 06:12:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4134 transitions. [2021-11-20 06:12:01,999 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4134 transitions. Word has length 214 [2021-11-20 06:12:01,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:01,999 INFO L470 AbstractCegarLoop]: Abstraction has 3087 states and 4134 transitions. [2021-11-20 06:12:02,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:12:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4134 transitions. [2021-11-20 06:12:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-20 06:12:02,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:02,009 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:02,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:02,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:02,230 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:02,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:02,230 INFO L85 PathProgramCache]: Analyzing trace with hash -171469545, now seen corresponding path program 2 times [2021-11-20 06:12:02,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:02,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059946156] [2021-11-20 06:12:02,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:12:02,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:02,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:02,232 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:02,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-20 06:12:02,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:12:02,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:12:02,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 06:12:02,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-20 06:12:02,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-20 06:12:03,279 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:03,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059946156] [2021-11-20 06:12:03,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059946156] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:03,279 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:03,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-20 06:12:03,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218192897] [2021-11-20 06:12:03,279 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:03,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:12:03,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:03,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:12:03,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:12:03,280 INFO L87 Difference]: Start difference. First operand 3087 states and 4134 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-20 06:12:03,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:03,646 INFO L93 Difference]: Finished difference Result 6462 states and 8743 transitions. [2021-11-20 06:12:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:12:03,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 215 [2021-11-20 06:12:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:03,662 INFO L225 Difference]: With dead ends: 6462 [2021-11-20 06:12:03,662 INFO L226 Difference]: Without dead ends: 3384 [2021-11-20 06:12:03,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:12:03,671 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 33 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:03,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 1078 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 06:12:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3384 states. [2021-11-20 06:12:03,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3384 to 3207. [2021-11-20 06:12:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 2465 states have (on average 1.2831643002028397) internal successors, (3163), 2498 states have internal predecessors, (3163), 492 states have call successors, (492), 211 states have call predecessors, (492), 249 states have return successors, (656), 497 states have call predecessors, (656), 491 states have call successors, (656) [2021-11-20 06:12:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 4311 transitions. [2021-11-20 06:12:03,957 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 4311 transitions. Word has length 215 [2021-11-20 06:12:03,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:03,958 INFO L470 AbstractCegarLoop]: Abstraction has 3207 states and 4311 transitions. [2021-11-20 06:12:03,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-20 06:12:03,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 4311 transitions. [2021-11-20 06:12:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-20 06:12:03,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:03,967 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:03,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:04,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:04,185 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:04,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1299141199, now seen corresponding path program 1 times [2021-11-20 06:12:04,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:04,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303416662] [2021-11-20 06:12:04,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:04,187 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:04,187 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:04,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-20 06:12:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:04,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:12:04,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-20 06:12:05,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-11-20 06:12:05,702 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:05,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303416662] [2021-11-20 06:12:05,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303416662] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:12:05,703 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:12:05,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-20 06:12:05,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552480330] [2021-11-20 06:12:05,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:12:05,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:12:05,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:05,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:12:05,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:12:05,705 INFO L87 Difference]: Start difference. First operand 3207 states and 4311 transitions. Second operand has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:07,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:09,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:10,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:10,343 INFO L93 Difference]: Finished difference Result 7747 states and 10636 transitions. [2021-11-20 06:12:10,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:12:10,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 229 [2021-11-20 06:12:10,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:10,360 INFO L225 Difference]: With dead ends: 7747 [2021-11-20 06:12:10,360 INFO L226 Difference]: Without dead ends: 4549 [2021-11-20 06:12:10,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:12:10,369 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 249 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 27 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1860 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:10,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 1860 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 62 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-11-20 06:12:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2021-11-20 06:12:10,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 3225. [2021-11-20 06:12:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3225 states, 2480 states have (on average 1.2862903225806452) internal successors, (3190), 2516 states have internal predecessors, (3190), 492 states have call successors, (492), 211 states have call predecessors, (492), 252 states have return successors, (668), 497 states have call predecessors, (668), 491 states have call successors, (668) [2021-11-20 06:12:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 3225 states and 4350 transitions. [2021-11-20 06:12:10,666 INFO L78 Accepts]: Start accepts. Automaton has 3225 states and 4350 transitions. Word has length 229 [2021-11-20 06:12:10,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:10,667 INFO L470 AbstractCegarLoop]: Abstraction has 3225 states and 4350 transitions. [2021-11-20 06:12:10,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:10,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 4350 transitions. [2021-11-20 06:12:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-20 06:12:10,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:10,675 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:10,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:10,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:10,890 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1697357260, now seen corresponding path program 1 times [2021-11-20 06:12:10,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:10,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378824210] [2021-11-20 06:12:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:10,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:10,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:10,893 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:10,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-20 06:12:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:11,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 06:12:11,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:12:12,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-20 06:12:13,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:13,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378824210] [2021-11-20 06:12:13,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378824210] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:12:13,404 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:12:13,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-20 06:12:13,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124656224] [2021-11-20 06:12:13,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:12:13,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:12:13,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:12:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:12:13,406 INFO L87 Difference]: Start difference. First operand 3225 states and 4350 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:12:15,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:17,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:19,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:21,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:23,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:26,017 INFO L93 Difference]: Finished difference Result 8194 states and 11746 transitions. [2021-11-20 06:12:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:12:26,020 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 216 [2021-11-20 06:12:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:26,041 INFO L225 Difference]: With dead ends: 8194 [2021-11-20 06:12:26,041 INFO L226 Difference]: Without dead ends: 4978 [2021-11-20 06:12:26,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:12:26,053 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 205 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 14 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:26,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 3919 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 386 Invalid, 5 Unknown, 0 Unchecked, 12.1s Time] [2021-11-20 06:12:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4978 states. [2021-11-20 06:12:26,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4978 to 3237. [2021-11-20 06:12:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2492 states have (on average 1.2897271268057784) internal successors, (3214), 2528 states have internal predecessors, (3214), 492 states have call successors, (492), 211 states have call predecessors, (492), 252 states have return successors, (668), 497 states have call predecessors, (668), 491 states have call successors, (668) [2021-11-20 06:12:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4374 transitions. [2021-11-20 06:12:26,432 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4374 transitions. Word has length 216 [2021-11-20 06:12:26,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:26,432 INFO L470 AbstractCegarLoop]: Abstraction has 3237 states and 4374 transitions. [2021-11-20 06:12:26,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:12:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4374 transitions. [2021-11-20 06:12:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-20 06:12:26,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:26,441 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:26,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:26,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:26,662 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:26,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1115335037, now seen corresponding path program 1 times [2021-11-20 06:12:26,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:26,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524917563] [2021-11-20 06:12:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:26,663 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:26,664 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:26,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-20 06:12:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:27,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:12:27,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-20 06:12:27,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:12:28,418 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:28,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524917563] [2021-11-20 06:12:28,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524917563] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:12:28,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:12:28,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-20 06:12:28,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370214524] [2021-11-20 06:12:28,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:12:28,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:12:28,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:28,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:12:28,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:12:28,421 INFO L87 Difference]: Start difference. First operand 3237 states and 4374 transitions. Second operand has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:30,489 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:32,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:34,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:35,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:35,230 INFO L93 Difference]: Finished difference Result 7825 states and 10789 transitions. [2021-11-20 06:12:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:12:35,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 229 [2021-11-20 06:12:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:35,246 INFO L225 Difference]: With dead ends: 7825 [2021-11-20 06:12:35,247 INFO L226 Difference]: Without dead ends: 4597 [2021-11-20 06:12:35,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-11-20 06:12:35,257 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 270 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 32 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:35,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 1866 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2021-11-20 06:12:35,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2021-11-20 06:12:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 3237. [2021-11-20 06:12:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2492 states have (on average 1.2897271268057784) internal successors, (3214), 2528 states have internal predecessors, (3214), 492 states have call successors, (492), 211 states have call predecessors, (492), 252 states have return successors, (668), 497 states have call predecessors, (668), 491 states have call successors, (668) [2021-11-20 06:12:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4374 transitions. [2021-11-20 06:12:35,600 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4374 transitions. Word has length 229 [2021-11-20 06:12:35,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:35,601 INFO L470 AbstractCegarLoop]: Abstraction has 3237 states and 4374 transitions. [2021-11-20 06:12:35,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4374 transitions. [2021-11-20 06:12:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-20 06:12:35,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:35,610 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:35,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:35,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:35,835 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:35,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:35,835 INFO L85 PathProgramCache]: Analyzing trace with hash -967529890, now seen corresponding path program 2 times [2021-11-20 06:12:35,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:35,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646722073] [2021-11-20 06:12:35,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:12:35,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:35,837 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:35,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-20 06:12:36,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:12:36,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:12:36,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:12:36,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-20 06:12:36,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-20 06:12:36,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:36,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646722073] [2021-11-20 06:12:36,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646722073] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:36,860 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:36,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 06:12:36,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913839794] [2021-11-20 06:12:36,860 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:36,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:12:36,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:36,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:12:36,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:12:36,861 INFO L87 Difference]: Start difference. First operand 3237 states and 4374 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-20 06:12:37,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:37,023 INFO L93 Difference]: Finished difference Result 5845 states and 7948 transitions. [2021-11-20 06:12:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:12:37,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 217 [2021-11-20 06:12:37,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:37,034 INFO L225 Difference]: With dead ends: 5845 [2021-11-20 06:12:37,034 INFO L226 Difference]: Without dead ends: 3252 [2021-11-20 06:12:37,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:12:37,043 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 5 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:37,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 536 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:12:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2021-11-20 06:12:37,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2021-11-20 06:12:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2507 states have (on average 1.286796968488233) internal successors, (3226), 2543 states have internal predecessors, (3226), 492 states have call successors, (492), 211 states have call predecessors, (492), 252 states have return successors, (668), 497 states have call predecessors, (668), 491 states have call successors, (668) [2021-11-20 06:12:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4386 transitions. [2021-11-20 06:12:37,347 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4386 transitions. Word has length 217 [2021-11-20 06:12:37,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:37,348 INFO L470 AbstractCegarLoop]: Abstraction has 3252 states and 4386 transitions. [2021-11-20 06:12:37,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-11-20 06:12:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4386 transitions. [2021-11-20 06:12:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-20 06:12:37,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:37,356 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-20 06:12:37,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:37,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:37,570 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:37,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1228007192, now seen corresponding path program 1 times [2021-11-20 06:12:37,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:37,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685909160] [2021-11-20 06:12:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:37,571 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:37,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:37,572 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:37,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-20 06:12:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:38,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:12:38,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-20 06:12:38,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:12:39,627 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:39,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685909160] [2021-11-20 06:12:39,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685909160] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:12:39,627 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:12:39,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-11-20 06:12:39,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699616458] [2021-11-20 06:12:39,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:12:39,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:12:39,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:39,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:12:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:12:39,629 INFO L87 Difference]: Start difference. First operand 3252 states and 4386 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:41,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:43,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:45,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:47,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:48,811 INFO L93 Difference]: Finished difference Result 7891 states and 10879 transitions. [2021-11-20 06:12:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:12:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 232 [2021-11-20 06:12:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:48,828 INFO L225 Difference]: With dead ends: 7891 [2021-11-20 06:12:48,828 INFO L226 Difference]: Without dead ends: 4648 [2021-11-20 06:12:48,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:12:48,837 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 260 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 38 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 4266 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:48,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 4266 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 190 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2021-11-20 06:12:48,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2021-11-20 06:12:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 3252. [2021-11-20 06:12:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2507 states have (on average 1.286796968488233) internal successors, (3226), 2543 states have internal predecessors, (3226), 492 states have call successors, (492), 211 states have call predecessors, (492), 252 states have return successors, (668), 497 states have call predecessors, (668), 491 states have call successors, (668) [2021-11-20 06:12:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4386 transitions. [2021-11-20 06:12:49,137 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4386 transitions. Word has length 232 [2021-11-20 06:12:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:49,138 INFO L470 AbstractCegarLoop]: Abstraction has 3252 states and 4386 transitions. [2021-11-20 06:12:49,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:12:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4386 transitions. [2021-11-20 06:12:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-20 06:12:49,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:49,146 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2021-11-20 06:12:49,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:49,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:49,370 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:49,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:49,370 INFO L85 PathProgramCache]: Analyzing trace with hash 233887179, now seen corresponding path program 2 times [2021-11-20 06:12:49,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:49,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79408768] [2021-11-20 06:12:49,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:12:49,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:49,373 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:49,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-20 06:12:50,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:12:50,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:12:50,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:12:50,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-11-20 06:12:50,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-11-20 06:12:50,990 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:50,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79408768] [2021-11-20 06:12:50,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79408768] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:50,990 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:50,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-20 06:12:50,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740334326] [2021-11-20 06:12:50,993 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:50,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:12:50,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:12:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:12:50,996 INFO L87 Difference]: Start difference. First operand 3252 states and 4386 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-11-20 06:12:51,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:51,444 INFO L93 Difference]: Finished difference Result 9602 states and 13474 transitions. [2021-11-20 06:12:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:12:51,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 232 [2021-11-20 06:12:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:51,471 INFO L225 Difference]: With dead ends: 9602 [2021-11-20 06:12:51,471 INFO L226 Difference]: Without dead ends: 6359 [2021-11-20 06:12:51,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:12:51,479 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 293 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:51,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 906 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:12:51,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6359 states. [2021-11-20 06:12:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 3567. [2021-11-20 06:12:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3567 states, 2702 states have (on average 1.2716506291635825) internal successors, (3436), 2738 states have internal predecessors, (3436), 612 states have call successors, (612), 211 states have call predecessors, (612), 252 states have return successors, (887), 617 states have call predecessors, (887), 611 states have call successors, (887) [2021-11-20 06:12:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4935 transitions. [2021-11-20 06:12:51,849 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4935 transitions. Word has length 232 [2021-11-20 06:12:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:51,850 INFO L470 AbstractCegarLoop]: Abstraction has 3567 states and 4935 transitions. [2021-11-20 06:12:51,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-11-20 06:12:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4935 transitions. [2021-11-20 06:12:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-20 06:12:51,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:51,860 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:12:51,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:12:52,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:12:52,082 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:12:52,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:52,082 INFO L85 PathProgramCache]: Analyzing trace with hash 770345830, now seen corresponding path program 1 times [2021-11-20 06:12:52,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:12:52,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894689445] [2021-11-20 06:12:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:52,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:12:52,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:12:52,085 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:12:52,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-20 06:12:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:52,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 06:12:52,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:12:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:12:53,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:12:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:12:54,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:12:54,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894689445] [2021-11-20 06:12:54,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894689445] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:12:54,655 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:12:54,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-11-20 06:12:54,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246094159] [2021-11-20 06:12:54,656 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:12:54,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-20 06:12:54,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:12:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 06:12:54,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-11-20 06:12:54,657 INFO L87 Difference]: Start difference. First operand 3567 states and 4935 transitions. Second operand has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:12:56,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:58,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:00,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:02,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:05,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:07,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:09,064 INFO L93 Difference]: Finished difference Result 9229 states and 13957 transitions. [2021-11-20 06:13:09,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 06:13:09,065 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 218 [2021-11-20 06:13:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:09,091 INFO L225 Difference]: With dead ends: 9229 [2021-11-20 06:13:09,091 INFO L226 Difference]: Without dead ends: 5671 [2021-11-20 06:13:09,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:13:09,101 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 358 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 61 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:09,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 4058 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 460 Invalid, 6 Unknown, 0 Unchecked, 13.9s Time] [2021-11-20 06:13:09,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5671 states. [2021-11-20 06:13:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5671 to 3579. [2021-11-20 06:13:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 2714 states have (on average 1.2748710390567428) internal successors, (3460), 2750 states have internal predecessors, (3460), 612 states have call successors, (612), 211 states have call predecessors, (612), 252 states have return successors, (887), 617 states have call predecessors, (887), 611 states have call successors, (887) [2021-11-20 06:13:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4959 transitions. [2021-11-20 06:13:09,547 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4959 transitions. Word has length 218 [2021-11-20 06:13:09,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:09,548 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4959 transitions. [2021-11-20 06:13:09,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:13:09,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4959 transitions. [2021-11-20 06:13:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-20 06:13:09,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:09,557 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-11-20 06:13:09,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:09,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:13:09,778 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:09,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1103187930, now seen corresponding path program 1 times [2021-11-20 06:13:09,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:13:09,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893845351] [2021-11-20 06:13:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:09,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:13:09,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:13:09,780 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:13:09,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-20 06:13:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:10,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:13:10,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:10,932 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-20 06:13:10,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:13:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:13:12,129 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:13:12,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893845351] [2021-11-20 06:13:12,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893845351] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:13:12,129 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:13:12,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-20 06:13:12,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528409705] [2021-11-20 06:13:12,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:13:12,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-20 06:13:12,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:13:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-20 06:13:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-20 06:13:12,131 INFO L87 Difference]: Start difference. First operand 3579 states and 4959 transitions. Second operand has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:13:14,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:16,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:18,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:20,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:22,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:23,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:23,559 INFO L93 Difference]: Finished difference Result 8581 states and 12214 transitions. [2021-11-20 06:13:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 06:13:23,559 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 233 [2021-11-20 06:13:23,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:23,576 INFO L225 Difference]: With dead ends: 8581 [2021-11-20 06:13:23,577 INFO L226 Difference]: Without dead ends: 5011 [2021-11-20 06:13:23,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:13:23,586 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 310 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 45 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:23,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 2676 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 196 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2021-11-20 06:13:23,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5011 states. [2021-11-20 06:13:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5011 to 3579. [2021-11-20 06:13:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 2714 states have (on average 1.2748710390567428) internal successors, (3460), 2750 states have internal predecessors, (3460), 612 states have call successors, (612), 211 states have call predecessors, (612), 252 states have return successors, (887), 617 states have call predecessors, (887), 611 states have call successors, (887) [2021-11-20 06:13:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 4959 transitions. [2021-11-20 06:13:23,976 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 4959 transitions. Word has length 233 [2021-11-20 06:13:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:23,977 INFO L470 AbstractCegarLoop]: Abstraction has 3579 states and 4959 transitions. [2021-11-20 06:13:23,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.0) internal successors, (150), 15 states have internal predecessors, (150), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-20 06:13:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 4959 transitions. [2021-11-20 06:13:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-20 06:13:23,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:23,986 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:13:24,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:24,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:13:24,210 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:24,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2054779152, now seen corresponding path program 2 times [2021-11-20 06:13:24,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:13:24,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988526063] [2021-11-20 06:13:24,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:13:24,212 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:13:24,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:13:24,213 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:13:24,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-20 06:13:25,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:13:25,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:13:25,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 06:13:25,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:13:25,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:13:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-20 06:13:27,556 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:13:27,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988526063] [2021-11-20 06:13:27,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988526063] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:13:27,556 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:13:27,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-11-20 06:13:27,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547689987] [2021-11-20 06:13:27,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:13:27,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 06:13:27,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:13:27,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 06:13:27,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-11-20 06:13:27,558 INFO L87 Difference]: Start difference. First operand 3579 states and 4959 transitions. Second operand has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:13:29,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:31,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:33,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:35,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:38,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:40,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:42,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:44,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:44,698 INFO L93 Difference]: Finished difference Result 9289 states and 14161 transitions. [2021-11-20 06:13:44,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-20 06:13:44,699 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 219 [2021-11-20 06:13:44,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:44,719 INFO L225 Difference]: With dead ends: 9289 [2021-11-20 06:13:44,719 INFO L226 Difference]: Without dead ends: 5719 [2021-11-20 06:13:44,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2021-11-20 06:13:44,726 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 397 mSDsluCounter, 4064 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 70 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:44,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 4492 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 572 Invalid, 7 Unknown, 0 Unchecked, 16.6s Time] [2021-11-20 06:13:44,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2021-11-20 06:13:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 3591. [2021-11-20 06:13:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 2726 states have (on average 1.2780630961115187) internal successors, (3484), 2762 states have internal predecessors, (3484), 612 states have call successors, (612), 211 states have call predecessors, (612), 252 states have return successors, (887), 617 states have call predecessors, (887), 611 states have call successors, (887) [2021-11-20 06:13:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 4983 transitions. [2021-11-20 06:13:45,178 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 4983 transitions. Word has length 219 [2021-11-20 06:13:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:45,179 INFO L470 AbstractCegarLoop]: Abstraction has 3591 states and 4983 transitions. [2021-11-20 06:13:45,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:13:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 4983 transitions. [2021-11-20 06:13:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-20 06:13:45,189 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:45,189 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-11-20 06:13:45,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:13:45,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:13:45,414 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:13:45,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:45,414 INFO L85 PathProgramCache]: Analyzing trace with hash -923733478, now seen corresponding path program 2 times [2021-11-20 06:13:45,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:13:45,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896354035] [2021-11-20 06:13:45,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:13:45,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:13:45,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:13:45,417 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:13:45,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-20 06:13:45,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:13:45,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:13:45,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 06:13:45,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:13:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-20 06:13:46,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:13:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-20 06:13:49,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:13:49,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896354035] [2021-11-20 06:13:49,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896354035] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:49,407 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:13:49,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-20 06:13:49,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243985131] [2021-11-20 06:13:49,408 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:49,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 06:13:49,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:13:49,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 06:13:49,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:13:49,409 INFO L87 Difference]: Start difference. First operand 3591 states and 4983 transitions. Second operand has 21 states, 21 states have (on average 8.19047619047619) internal successors, (172), 21 states have internal predecessors, (172), 6 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2021-11-20 06:13:53,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:55,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:57,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:59,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:01,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:03,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:05,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:07,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:09,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:11,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:13,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:15,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:20,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:22,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:24,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:26,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:28,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:30,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:32,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:34,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:36,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:38,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:40,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:42,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:48,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:50,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:52,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:54,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:56,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:58,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:00,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:02,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:04,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:06,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:08,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:10,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:21,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:21,446 INFO L93 Difference]: Finished difference Result 15965 states and 23206 transitions. [2021-11-20 06:15:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-20 06:15:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 8.19047619047619) internal successors, (172), 21 states have internal predecessors, (172), 6 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) Word has length 234 [2021-11-20 06:15:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:21,479 INFO L225 Difference]: With dead ends: 15965 [2021-11-20 06:15:21,479 INFO L226 Difference]: Without dead ends: 12373 [2021-11-20 06:15:21,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 461 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=578, Invalid=3082, Unknown=0, NotChecked=0, Total=3660 [2021-11-20 06:15:21,493 INFO L933 BasicCegarLoop]: 719 mSDtfsCounter, 3286 mSDsluCounter, 6949 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 1404 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 7668 SdHoareTripleChecker+Invalid, 6439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1404 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 386 IncrementalHoareTripleChecker+Unchecked, 87.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:21,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 7668 Invalid, 6439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1404 Valid, 4613 Invalid, 36 Unknown, 386 Unchecked, 87.9s Time] [2021-11-20 06:15:21,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12373 states. [2021-11-20 06:15:22,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12373 to 6929. [2021-11-20 06:15:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6929 states, 5312 states have (on average 1.2722138554216869) internal successors, (6758), 5408 states have internal predecessors, (6758), 1088 states have call successors, (1088), 433 states have call predecessors, (1088), 528 states have return successors, (1570), 1087 states have call predecessors, (1570), 1087 states have call successors, (1570) [2021-11-20 06:15:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 9416 transitions. [2021-11-20 06:15:22,339 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 9416 transitions. Word has length 234 [2021-11-20 06:15:22,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:22,340 INFO L470 AbstractCegarLoop]: Abstraction has 6929 states and 9416 transitions. [2021-11-20 06:15:22,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.19047619047619) internal successors, (172), 21 states have internal predecessors, (172), 6 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2021-11-20 06:15:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 9416 transitions. [2021-11-20 06:15:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-20 06:15:22,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:22,347 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2021-11-20 06:15:22,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:15:22,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:15:22,570 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash 109067917, now seen corresponding path program 1 times [2021-11-20 06:15:22,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:15:22,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226202261] [2021-11-20 06:15:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:15:22,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:15:22,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:15:22,573 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:15:22,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-20 06:15:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:23,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:15:23,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:15:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-20 06:15:24,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:15:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-20 06:15:24,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:15:24,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226202261] [2021-11-20 06:15:24,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226202261] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 06:15:24,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:15:24,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-20 06:15:24,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587973206] [2021-11-20 06:15:24,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:15:24,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:15:24,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:15:24,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:15:24,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:15:24,653 INFO L87 Difference]: Start difference. First operand 6929 states and 9416 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 06:15:26,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:27,640 INFO L93 Difference]: Finished difference Result 16302 states and 22666 transitions. [2021-11-20 06:15:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:15:27,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 233 [2021-11-20 06:15:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:27,660 INFO L225 Difference]: With dead ends: 16302 [2021-11-20 06:15:27,660 INFO L226 Difference]: Without dead ends: 9690 [2021-11-20 06:15:27,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:15:27,673 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 117 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:27,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 1471 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:15:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9690 states. [2021-11-20 06:15:28,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9690 to 6944. [2021-11-20 06:15:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6944 states, 5327 states have (on average 1.274263187535198) internal successors, (6788), 5423 states have internal predecessors, (6788), 1088 states have call successors, (1088), 433 states have call predecessors, (1088), 528 states have return successors, (1570), 1087 states have call predecessors, (1570), 1087 states have call successors, (1570) [2021-11-20 06:15:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6944 states to 6944 states and 9446 transitions. [2021-11-20 06:15:28,350 INFO L78 Accepts]: Start accepts. Automaton has 6944 states and 9446 transitions. Word has length 233 [2021-11-20 06:15:28,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:28,350 INFO L470 AbstractCegarLoop]: Abstraction has 6944 states and 9446 transitions. [2021-11-20 06:15:28,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 06:15:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 6944 states and 9446 transitions. [2021-11-20 06:15:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-20 06:15:28,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:28,357 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:15:28,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:15:28,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:15:28,570 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:28,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1077460826, now seen corresponding path program 3 times [2021-11-20 06:15:28,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:15:28,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190452981] [2021-11-20 06:15:28,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:15:28,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:15:28,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:15:28,574 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:15:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-20 06:15:29,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:15:29,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:15:29,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:15:29,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:15:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-11-20 06:15:30,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:15:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-11-20 06:15:30,730 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:15:30,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190452981] [2021-11-20 06:15:30,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190452981] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:15:30,731 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:15:30,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-20 06:15:30,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537560724] [2021-11-20 06:15:30,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:15:30,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:15:30,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:15:30,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:15:30,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:15:30,732 INFO L87 Difference]: Start difference. First operand 6944 states and 9446 transitions. Second operand has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:15:32,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:34,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:36,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:38,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:38,215 INFO L93 Difference]: Finished difference Result 17172 states and 24832 transitions. [2021-11-20 06:15:38,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:15:38,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 220 [2021-11-20 06:15:38,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:38,242 INFO L225 Difference]: With dead ends: 17172 [2021-11-20 06:15:38,242 INFO L226 Difference]: Without dead ends: 10545 [2021-11-20 06:15:38,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:15:38,251 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 132 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 2654 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:38,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 2654 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2021-11-20 06:15:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10545 states. [2021-11-20 06:15:38,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10545 to 6959. [2021-11-20 06:15:38,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 5342 states have (on average 1.2763010108573567) internal successors, (6818), 5438 states have internal predecessors, (6818), 1088 states have call successors, (1088), 433 states have call predecessors, (1088), 528 states have return successors, (1570), 1087 states have call predecessors, (1570), 1087 states have call successors, (1570) [2021-11-20 06:15:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 9476 transitions. [2021-11-20 06:15:39,014 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 9476 transitions. Word has length 220 [2021-11-20 06:15:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:39,014 INFO L470 AbstractCegarLoop]: Abstraction has 6959 states and 9476 transitions. [2021-11-20 06:15:39,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:15:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 9476 transitions. [2021-11-20 06:15:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-20 06:15:39,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:39,020 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-11-20 06:15:39,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:15:39,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:15:39,243 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:39,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:39,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1944951883, now seen corresponding path program 1 times [2021-11-20 06:15:39,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:15:39,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390528608] [2021-11-20 06:15:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:15:39,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:15:39,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:15:39,245 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:15:39,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-20 06:15:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:15:40,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:15:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:15:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-20 06:15:40,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:15:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-20 06:15:40,954 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:15:40,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390528608] [2021-11-20 06:15:40,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390528608] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:15:40,955 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:15:40,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:15:40,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062220172] [2021-11-20 06:15:40,955 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:15:40,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:15:40,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:15:40,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:15:40,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:15:40,956 INFO L87 Difference]: Start difference. First operand 6959 states and 9476 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:15:43,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:15:43,955 INFO L93 Difference]: Finished difference Result 16224 states and 22360 transitions. [2021-11-20 06:15:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:15:43,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 234 [2021-11-20 06:15:43,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:15:43,977 INFO L225 Difference]: With dead ends: 16224 [2021-11-20 06:15:43,977 INFO L226 Difference]: Without dead ends: 9528 [2021-11-20 06:15:43,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:15:43,988 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 116 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:15:43,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 1335 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 06:15:43,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9528 states. [2021-11-20 06:15:44,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9528 to 6851. [2021-11-20 06:15:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6851 states, 5276 states have (on average 1.2695223654283547) internal successors, (6698), 5369 states have internal predecessors, (6698), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:15:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6851 states to 6851 states and 9188 transitions. [2021-11-20 06:15:44,623 INFO L78 Accepts]: Start accepts. Automaton has 6851 states and 9188 transitions. Word has length 234 [2021-11-20 06:15:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:15:44,623 INFO L470 AbstractCegarLoop]: Abstraction has 6851 states and 9188 transitions. [2021-11-20 06:15:44,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:15:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6851 states and 9188 transitions. [2021-11-20 06:15:44,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-20 06:15:44,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:15:44,628 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:15:44,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:15:44,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:15:44,831 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:15:44,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:15:44,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1697025614, now seen corresponding path program 4 times [2021-11-20 06:15:44,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:15:44,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763431653] [2021-11-20 06:15:44,832 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:15:44,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:15:44,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:15:44,848 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:15:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-20 06:15:45,661 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:15:45,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:15:45,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 06:15:45,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:15:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:15:46,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:15:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:15:48,698 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:15:48,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763431653] [2021-11-20 06:15:48,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763431653] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:15:48,698 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:15:48,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-11-20 06:15:48,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150701238] [2021-11-20 06:15:48,699 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:15:48,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 06:15:48,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:15:48,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 06:15:48,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-11-20 06:15:48,700 INFO L87 Difference]: Start difference. First operand 6851 states and 9188 transitions. Second operand has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:15:50,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:52,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:54,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:57,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:15:59,203 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:01,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:03,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:05,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:16:08,457 INFO L93 Difference]: Finished difference Result 17199 states and 24691 transitions. [2021-11-20 06:16:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 06:16:08,458 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 221 [2021-11-20 06:16:08,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:16:08,489 INFO L225 Difference]: With dead ends: 17199 [2021-11-20 06:16:08,490 INFO L226 Difference]: Without dead ends: 10665 [2021-11-20 06:16:08,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2021-11-20 06:16:08,504 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 402 mSDsluCounter, 5265 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 71 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 5687 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:16:08,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 5687 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 530 Invalid, 8 Unknown, 0 Unchecked, 18.5s Time] [2021-11-20 06:16:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10665 states. [2021-11-20 06:16:09,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10665 to 6866. [2021-11-20 06:16:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6866 states, 5291 states have (on average 1.2715932715932716) internal successors, (6728), 5384 states have internal predecessors, (6728), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:16:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6866 states to 6866 states and 9218 transitions. [2021-11-20 06:16:09,179 INFO L78 Accepts]: Start accepts. Automaton has 6866 states and 9218 transitions. Word has length 221 [2021-11-20 06:16:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:16:09,179 INFO L470 AbstractCegarLoop]: Abstraction has 6866 states and 9218 transitions. [2021-11-20 06:16:09,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:16:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6866 states and 9218 transitions. [2021-11-20 06:16:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-20 06:16:09,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:16:09,185 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2021-11-20 06:16:09,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:16:09,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:16:09,411 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:16:09,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:09,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1936601813, now seen corresponding path program 2 times [2021-11-20 06:16:09,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:16:09,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801785271] [2021-11-20 06:16:09,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:16:09,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:16:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:16:09,413 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:16:09,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-20 06:16:10,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:16:10,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:16:10,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:16:10,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:16:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-20 06:16:10,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:16:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-20 06:16:11,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:16:11,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801785271] [2021-11-20 06:16:11,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801785271] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 06:16:11,329 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:16:11,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 06:16:11,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051577623] [2021-11-20 06:16:11,330 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 06:16:11,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:16:11,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:16:11,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:16:11,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:16:11,331 INFO L87 Difference]: Start difference. First operand 6866 states and 9218 transitions. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:16:13,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:15,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:16:16,367 INFO L93 Difference]: Finished difference Result 16131 states and 22081 transitions. [2021-11-20 06:16:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:16:16,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 235 [2021-11-20 06:16:16,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:16:16,394 INFO L225 Difference]: With dead ends: 16131 [2021-11-20 06:16:16,394 INFO L226 Difference]: Without dead ends: 9552 [2021-11-20 06:16:16,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:16:16,407 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 224 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:16:16,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 1464 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-11-20 06:16:16,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9552 states. [2021-11-20 06:16:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9552 to 6881. [2021-11-20 06:16:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6881 states, 5306 states have (on average 1.2651715039577835) internal successors, (6713), 5399 states have internal predecessors, (6713), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:16:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 9203 transitions. [2021-11-20 06:16:17,047 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 9203 transitions. Word has length 235 [2021-11-20 06:16:17,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:16:17,047 INFO L470 AbstractCegarLoop]: Abstraction has 6881 states and 9203 transitions. [2021-11-20 06:16:17,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:16:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 9203 transitions. [2021-11-20 06:16:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-20 06:16:17,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:16:17,052 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-20 06:16:17,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:16:17,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:16:17,266 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:16:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:17,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1521710861, now seen corresponding path program 3 times [2021-11-20 06:16:17,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:16:17,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379787743] [2021-11-20 06:16:17,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:16:17,268 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:16:17,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:16:17,270 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:16:17,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-20 06:16:17,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:16:17,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:16:17,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:16:17,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:16:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-20 06:16:18,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:16:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-20 06:16:18,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:16:18,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379787743] [2021-11-20 06:16:18,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379787743] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:16:18,964 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:16:18,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-20 06:16:18,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792253566] [2021-11-20 06:16:18,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:16:18,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:16:18,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:16:18,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:16:18,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:16:18,966 INFO L87 Difference]: Start difference. First operand 6881 states and 9203 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:16:21,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:23,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:16:24,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:16:24,118 INFO L93 Difference]: Finished difference Result 16176 states and 22066 transitions. [2021-11-20 06:16:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:16:24,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 236 [2021-11-20 06:16:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:16:24,145 INFO L225 Difference]: With dead ends: 16176 [2021-11-20 06:16:24,146 INFO L226 Difference]: Without dead ends: 9552 [2021-11-20 06:16:24,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:16:24,161 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 227 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:16:24,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 1861 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 31 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-11-20 06:16:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9552 states. [2021-11-20 06:16:24,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9552 to 6881. [2021-11-20 06:16:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6881 states, 5306 states have (on average 1.2623445156426687) internal successors, (6698), 5399 states have internal predecessors, (6698), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:16:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 9188 transitions. [2021-11-20 06:16:24,815 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 9188 transitions. Word has length 236 [2021-11-20 06:16:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:16:24,816 INFO L470 AbstractCegarLoop]: Abstraction has 6881 states and 9188 transitions. [2021-11-20 06:16:24,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:16:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 9188 transitions. [2021-11-20 06:16:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-20 06:16:24,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:16:24,821 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:16:24,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:16:25,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:16:25,034 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:16:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:16:25,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1908486044, now seen corresponding path program 5 times [2021-11-20 06:16:25,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:16:25,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528473663] [2021-11-20 06:16:25,036 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-20 06:16:25,036 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:16:25,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:16:25,038 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:16:25,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-20 06:19:08,593 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-11-20 06:19:08,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:19:08,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 06:19:08,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:19:09,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:19:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:19:12,836 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:19:12,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528473663] [2021-11-20 06:19:12,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528473663] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:19:12,836 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:19:12,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-11-20 06:19:12,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334060616] [2021-11-20 06:19:12,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:19:12,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 06:19:12,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:19:12,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 06:19:12,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2021-11-20 06:19:12,839 INFO L87 Difference]: Start difference. First operand 6881 states and 9188 transitions. Second operand has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:19:14,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:16,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:18,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:21,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:24,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:27,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:29,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:32,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:35,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:40,310 INFO L93 Difference]: Finished difference Result 17184 states and 24430 transitions. [2021-11-20 06:19:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-20 06:19:40,312 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 222 [2021-11-20 06:19:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:40,339 INFO L225 Difference]: With dead ends: 17184 [2021-11-20 06:19:40,339 INFO L226 Difference]: Without dead ends: 10620 [2021-11-20 06:19:40,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2021-11-20 06:19:40,353 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 435 mSDsluCounter, 6908 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 88 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 7329 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:40,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [472 Valid, 7329 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 738 Invalid, 9 Unknown, 0 Unchecked, 23.0s Time] [2021-11-20 06:19:40,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10620 states. [2021-11-20 06:19:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10620 to 6896. [2021-11-20 06:19:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6896 states, 5321 states have (on average 1.2644239804548016) internal successors, (6728), 5414 states have internal predecessors, (6728), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:19:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6896 states to 6896 states and 9218 transitions. [2021-11-20 06:19:41,108 INFO L78 Accepts]: Start accepts. Automaton has 6896 states and 9218 transitions. Word has length 222 [2021-11-20 06:19:41,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:41,109 INFO L470 AbstractCegarLoop]: Abstraction has 6896 states and 9218 transitions. [2021-11-20 06:19:41,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:19:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 6896 states and 9218 transitions. [2021-11-20 06:19:41,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-20 06:19:41,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:41,113 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-20 06:19:41,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:41,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:19:41,314 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:41,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:41,314 INFO L85 PathProgramCache]: Analyzing trace with hash -619778067, now seen corresponding path program 4 times [2021-11-20 06:19:41,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:19:41,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467254719] [2021-11-20 06:19:41,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 06:19:41,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:19:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:19:41,317 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:19:41,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-20 06:19:42,228 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 06:19:42,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:19:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:19:42,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:19:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-20 06:19:42,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:19:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-20 06:19:43,829 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:19:43,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467254719] [2021-11-20 06:19:43,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [467254719] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:19:43,829 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:19:43,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-20 06:19:43,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659501094] [2021-11-20 06:19:43,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:19:43,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:19:43,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:19:43,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:19:43,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:19:43,832 INFO L87 Difference]: Start difference. First operand 6896 states and 9218 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:19:45,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:47,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:49,928 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:19:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:19:51,195 INFO L93 Difference]: Finished difference Result 16206 states and 22096 transitions. [2021-11-20 06:19:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:19:51,196 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 237 [2021-11-20 06:19:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:19:51,219 INFO L225 Difference]: With dead ends: 16206 [2021-11-20 06:19:51,219 INFO L226 Difference]: Without dead ends: 9567 [2021-11-20 06:19:51,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:19:51,233 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 234 mSDsluCounter, 1851 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 23 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:19:51,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 2251 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 49 Invalid, 3 Unknown, 0 Unchecked, 6.3s Time] [2021-11-20 06:19:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9567 states. [2021-11-20 06:19:51,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9567 to 6896. [2021-11-20 06:19:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6896 states, 5321 states have (on average 1.2616049614734073) internal successors, (6713), 5414 states have internal predecessors, (6713), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:19:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6896 states to 6896 states and 9203 transitions. [2021-11-20 06:19:52,017 INFO L78 Accepts]: Start accepts. Automaton has 6896 states and 9203 transitions. Word has length 237 [2021-11-20 06:19:52,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:19:52,018 INFO L470 AbstractCegarLoop]: Abstraction has 6896 states and 9203 transitions. [2021-11-20 06:19:52,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-20 06:19:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 6896 states and 9203 transitions. [2021-11-20 06:19:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-20 06:19:52,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:19:52,021 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:19:52,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:19:52,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:19:52,222 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:19:52,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:19:52,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2010197746, now seen corresponding path program 6 times [2021-11-20 06:19:52,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:19:52,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564210131] [2021-11-20 06:19:52,225 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-20 06:19:52,225 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:19:52,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:19:52,226 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:19:52,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-20 06:20:27,599 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-11-20 06:20:27,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:20:27,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 06:20:27,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:20:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:20:28,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:20:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-20 06:20:32,117 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 06:20:32,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564210131] [2021-11-20 06:20:32,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564210131] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:20:32,117 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:20:32,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-11-20 06:20:32,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239935423] [2021-11-20 06:20:32,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:20:32,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-20 06:20:32,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 06:20:32,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-20 06:20:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2021-11-20 06:20:32,120 INFO L87 Difference]: Start difference. First operand 6896 states and 9203 transitions. Second operand has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:20:34,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:36,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:38,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:40,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:42,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:45,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:48,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:51,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:54,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:20:56,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:21:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:21:02,282 INFO L93 Difference]: Finished difference Result 17214 states and 24532 transitions. [2021-11-20 06:21:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:21:02,284 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 223 [2021-11-20 06:21:02,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:21:02,315 INFO L225 Difference]: With dead ends: 17214 [2021-11-20 06:21:02,315 INFO L226 Difference]: Without dead ends: 10635 [2021-11-20 06:21:02,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2021-11-20 06:21:02,400 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 333 mSDsluCounter, 7194 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 58 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:21:02,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [371 Valid, 7615 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 831 Invalid, 10 Unknown, 0 Unchecked, 25.5s Time] [2021-11-20 06:21:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10635 states. [2021-11-20 06:21:03,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10635 to 6911. [2021-11-20 06:21:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6911 states, 5336 states have (on average 1.2636806596701649) internal successors, (6743), 5429 states have internal predecessors, (6743), 1052 states have call successors, (1052), 430 states have call predecessors, (1052), 522 states have return successors, (1438), 1051 states have call predecessors, (1438), 1051 states have call successors, (1438) [2021-11-20 06:21:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6911 states to 6911 states and 9233 transitions. [2021-11-20 06:21:03,075 INFO L78 Accepts]: Start accepts. Automaton has 6911 states and 9233 transitions. Word has length 223 [2021-11-20 06:21:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:21:03,075 INFO L470 AbstractCegarLoop]: Abstraction has 6911 states and 9233 transitions. [2021-11-20 06:21:03,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-20 06:21:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6911 states and 9233 transitions. [2021-11-20 06:21:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-20 06:21:03,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:21:03,079 INFO L514 BasicCegarLoop]: trace histogram [10, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:21:03,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:21:03,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 06:21:03,280 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:21:03,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:21:03,280 INFO L85 PathProgramCache]: Analyzing trace with hash -868293212, now seen corresponding path program 7 times [2021-11-20 06:21:03,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 06:21:03,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410872976] [2021-11-20 06:21:03,282 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-20 06:21:03,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 06:21:03,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 06:21:03,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 06:21:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09fcd05a-3378-47c1-855f-55c346e59f8e/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-20 06:21:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:21:30,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 232 conjunts are in the unsatisfiable core [2021-11-20 06:21:30,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:21:33,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 06:21:33,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-20 06:21:37,269 INFO L354 Elim1Store]: treesize reduction 170, result has 38.4 percent of original size [2021-11-20 06:21:37,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 180 [2021-11-20 06:21:37,645 INFO L354 Elim1Store]: treesize reduction 184, result has 33.3 percent of original size [2021-11-20 06:21:37,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 177 treesize of output 232 [2021-11-20 06:21:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:45,606 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:45,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 37 [2021-11-20 06:21:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:45,619 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:45,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 11 [2021-11-20 06:21:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:46,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 203 treesize of output 118 [2021-11-20 06:21:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:46,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 63 [2021-11-20 06:21:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:46,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 130 [2021-11-20 06:21:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:46,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 75 [2021-11-20 06:21:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,022 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:47,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 37 [2021-11-20 06:21:47,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,038 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:47,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 11 [2021-11-20 06:21:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,802 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:47,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 96 [2021-11-20 06:21:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:47,831 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:47,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 63 [2021-11-20 06:21:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:49,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:49,647 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:49,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 37 [2021-11-20 06:21:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:49,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:21:49,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:21:49,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 11