./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc --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 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:55:05,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:55:05,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:55:05,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:55:05,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:55:05,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:55:05,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:55:05,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:55:05,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:55:05,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:55:05,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:55:05,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:55:05,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:55:05,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:55:05,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:55:05,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:55:05,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:55:05,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:55:05,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:55:05,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:55:05,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:55:05,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:55:05,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:55:05,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:55:05,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:55:05,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:55:05,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:55:05,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:55:05,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:55:05,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:55:05,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:55:05,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:55:05,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:55:05,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:55:05,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:55:05,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:55:05,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:55:05,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:55:05,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:55:05,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:55:05,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:55:05,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:55:06,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:55:06,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:55:06,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:55:06,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:55:06,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:55:06,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:55:06,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:55:06,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:55:06,022 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:55:06,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:55:06,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:55:06,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:55:06,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:55:06,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:55:06,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:55:06,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:55:06,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:55:06,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:55:06,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:55:06,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:55:06,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:55:06,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:55:06,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:55:06,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:55:06,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:55:06,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:55:06,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:55:06,027 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:55:06,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:55:06,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:55:06,027 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_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 985d0b4f5410b7b86e22865d3848eb73c5be61726c7bc3b3417d51bbad9e6359 [2022-11-02 20:55:06,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:55:06,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:55:06,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:55:06,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:55:06,403 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:55:06,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:55:06,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/data/99300f885/db3fbba91345498c93526dd5375e9f3b/FLAG6a9ac8427 [2022-11-02 20:55:07,598 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:55:07,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:55:07,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/data/99300f885/db3fbba91345498c93526dd5375e9f3b/FLAG6a9ac8427 [2022-11-02 20:55:07,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/data/99300f885/db3fbba91345498c93526dd5375e9f3b [2022-11-02 20:55:07,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:55:07,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:55:07,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:55:07,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:55:07,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:55:07,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:55:07" (1/1) ... [2022-11-02 20:55:07,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91e420a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:07, skipping insertion in model container [2022-11-02 20:55:07,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:55:07" (1/1) ... [2022-11-02 20:55:07,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:55:08,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:55:11,762 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_10503ffa-95ff-4584-a148-834451a9db4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-02 20:55:12,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:55:12,086 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:55:12,681 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_10503ffa-95ff-4584-a148-834451a9db4f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i[381757,381770] [2022-11-02 20:55:12,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:55:13,015 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:55:13,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13 WrapperNode [2022-11-02 20:55:13,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:55:13,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:55:13,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:55:13,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:55:13,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,381 INFO L138 Inliner]: procedures = 504, calls = 2646, calls flagged for inlining = 220, calls inlined = 169, statements flattened = 5574 [2022-11-02 20:55:13,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:55:13,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:55:13,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:55:13,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:55:13,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,640 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:55:13,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:55:13,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:55:13,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:55:13,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (1/1) ... [2022-11-02 20:55:13,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:55:13,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:55:13,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:55:13,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10503ffa-95ff-4584-a148-834451a9db4f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:55:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2022-11-02 20:55:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2022-11-02 20:55:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-02 20:55:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-02 20:55:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-02 20:55:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-02 20:55:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2022-11-02 20:55:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2022-11-02 20:55:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2022-11-02 20:55:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2022-11-02 20:55:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:55:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:55:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-02 20:55:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-02 20:55:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:55:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:55:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2022-11-02 20:55:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2022-11-02 20:55:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:55:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:55:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rx_vlan_en [2022-11-02 20:55:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rx_vlan_en [2022-11-02 20:55:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_write [2022-11-02 20:55:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_write [2022-11-02 20:55:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2022-11-02 20:55:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2022-11-02 20:55:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 20:55:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 20:55:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-02 20:55:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-02 20:55:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-02 20:55:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-02 20:55:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2022-11-02 20:55:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2022-11-02 20:55:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-02 20:55:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-02 20:55:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2022-11-02 20:55:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2022-11-02 20:55:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:55:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:55:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-02 20:55:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-02 20:55:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:55:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:55:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2022-11-02 20:55:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2022-11-02 20:55:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_eee_en [2022-11-02 20:55:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_eee_en [2022-11-02 20:55:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2022-11-02 20:55:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2022-11-02 20:55:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:55:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:55:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2022-11-02 20:55:13,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2022-11-02 20:55:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2022-11-02 20:55:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2022-11-02 20:55:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2022-11-02 20:55:13,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2022-11-02 20:55:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-02 20:55:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mmd_eee_adv_t [2022-11-02 20:55:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 20:55:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 20:55:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2022-11-02 20:55:13,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2022-11-02 20:55:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:55:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:55:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:55:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:55:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:55:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:55:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:55:13,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:55:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2022-11-02 20:55:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2022-11-02 20:55:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:55:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:55:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2022-11-02 20:55:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2022-11-02 20:55:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:55:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2022-11-02 20:55:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2022-11-02 20:55:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-02 20:55:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-02 20:55:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_timeout [2022-11-02 20:55:13,841 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_timeout [2022-11-02 20:55:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:55:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:55:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2022-11-02 20:55:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2022-11-02 20:55:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:55:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:55:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:55:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:55:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2022-11-02 20:55:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2022-11-02 20:55:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:55:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2022-11-02 20:55:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2022-11-02 20:55:13,843 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:55:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:55:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:55:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-02 20:55:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-02 20:55:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:55:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:55:13,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:55:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2022-11-02 20:55:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2022-11-02 20:55:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-02 20:55:13,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-02 20:55:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-02 20:55:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-02 20:55:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-02 20:55:13,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-02 20:55:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_features [2022-11-02 20:55:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_features [2022-11-02 20:55:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:55:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:55:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_eee_en [2022-11-02 20:55:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_eee_en [2022-11-02 20:55:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2022-11-02 20:55:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2022-11-02 20:55:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-02 20:55:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-02 20:55:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-02 20:55:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-02 20:55:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2022-11-02 20:55:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2022-11-02 20:55:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:55:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:55:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2022-11-02 20:55:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2022-11-02 20:55:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2022-11-02 20:55:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2022-11-02 20:55:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 20:55:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 20:55:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_get_eee [2022-11-02 20:55:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_get_eee [2022-11-02 20:55:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_tail [2022-11-02 20:55:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_tail [2022-11-02 20:55:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:55:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2022-11-02 20:55:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2022-11-02 20:55:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-11-02 20:55:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-11-02 20:55:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2022-11-02 20:55:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2022-11-02 20:55:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:55:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:55:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2022-11-02 20:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2022-11-02 20:55:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:55:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:55:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_early_size [2022-11-02 20:55:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_early_size [2022-11-02 20:55:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:55:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:55:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2022-11-02 20:55:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2022-11-02 20:55:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-02 20:55:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-02 20:55:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-02 20:55:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-02 20:55:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-02 20:55:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-02 20:55:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_coalesce [2022-11-02 20:55:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_coalesce [2022-11-02 20:55:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2022-11-02 20:55:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2022-11-02 20:55:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-02 20:55:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-02 20:55:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2022-11-02 20:55:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2022-11-02 20:55:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2022-11-02 20:55:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2022-11-02 20:55:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:55:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:55:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2022-11-02 20:55:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2022-11-02 20:55:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:55:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:55:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_change_mtu [2022-11-02 20:55:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_change_mtu [2022-11-02 20:55:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:55:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:55:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:55:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:55:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:55:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:55:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-02 20:55:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-02 20:55:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:55:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:55:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:55:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:55:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:55:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:55:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:55:13,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:55:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-02 20:55:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_cap_to_ethtool_sup_t [2022-11-02 20:55:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-02 20:55:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-02 20:55:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:55:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:55:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_disable [2022-11-02 20:55:13,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_disable [2022-11-02 20:55:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2022-11-02 20:55:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2022-11-02 20:55:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-02 20:55:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-02 20:55:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-02 20:55:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-02 20:55:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:55:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:55:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ethtool_set_eee [2022-11-02 20:55:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ethtool_set_eee [2022-11-02 20:55:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-02 20:55:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-02 20:55:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:55:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:55:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 20:55:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 20:55:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:55:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:55:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:55:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:55:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:55:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:55:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:55:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:55:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2022-11-02 20:55:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2022-11-02 20:55:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nway_reset [2022-11-02 20:55:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nway_reset [2022-11-02 20:55:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_coalesce [2022-11-02 20:55:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_coalesce [2022-11-02 20:55:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:55:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:55:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:55:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2022-11-02 20:55:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2022-11-02 20:55:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:55:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:55:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_features_check [2022-11-02 20:55:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_features_check [2022-11-02 20:55:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:55:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:55:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:55:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2022-11-02 20:55:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2022-11-02 20:55:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2022-11-02 20:55:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2022-11-02 20:55:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-02 20:55:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-02 20:55:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:55:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2022-11-02 20:55:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2022-11-02 20:55:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2022-11-02 20:55:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2022-11-02 20:55:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:55:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:55:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:55:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:55:13,895 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_start_rx [2022-11-02 20:55:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_start_rx [2022-11-02 20:55:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-02 20:55:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-02 20:55:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_indirect [2022-11-02 20:55:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_indirect [2022-11-02 20:55:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2022-11-02 20:55:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2022-11-02 20:55:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2022-11-02 20:55:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2022-11-02 20:55:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2022-11-02 20:55:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2022-11-02 20:55:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_stop_rx [2022-11-02 20:55:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_stop_rx [2022-11-02 20:55:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-02 20:55:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-02 20:55:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-02 20:55:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_control_of_r8152 [2022-11-02 20:55:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:55:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:55:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-11-02 20:55:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-11-02 20:55:13,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:55:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:55:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2022-11-02 20:55:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2022-11-02 20:55:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2022-11-02 20:55:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2022-11-02 20:55:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-02 20:55:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-02 20:55:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-02 20:55:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-02 20:55:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-11-02 20:55:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-11-02 20:55:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:55:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:55:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:55:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:55:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mmd_read [2022-11-02 20:55:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mmd_read [2022-11-02 20:55:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2022-11-02 20:55:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2022-11-02 20:55:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:55:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-11-02 20:55:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-11-02 20:55:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-02 20:55:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-02 20:55:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:55:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:55:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2022-11-02 20:55:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2022-11-02 20:55:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2022-11-02 20:55:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2022-11-02 20:55:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2022-11-02 20:55:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2022-11-02 20:55:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2022-11-02 20:55:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2022-11-02 20:55:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:55:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:55:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2022-11-02 20:55:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2022-11-02 20:55:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_control_of_r8152 [2022-11-02 20:55:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_control_of_r8152 [2022-11-02 20:55:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2022-11-02 20:55:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2022-11-02 20:55:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2022-11-02 20:55:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2022-11-02 20:55:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-02 20:55:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_control_of_r8152 [2022-11-02 20:55:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-02 20:55:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-02 20:55:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2022-11-02 20:55:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2022-11-02 20:55:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2022-11-02 20:55:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2022-11-02 20:55:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2022-11-02 20:55:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2022-11-02 20:55:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2022-11-02 20:55:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2022-11-02 20:55:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:55:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:55:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:55:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:55:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-02 20:55:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-02 20:55:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:55:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-02 20:55:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-02 20:55:14,896 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:55:14,905 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:55:15,110 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:56:06,088 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:56:06,110 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:56:06,110 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:56:06,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:06 BoogieIcfgContainer [2022-11-02 20:56:06,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:56:06,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:56:06,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:56:06,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:56:06,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:55:07" (1/3) ... [2022-11-02 20:56:06,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626e3740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:06, skipping insertion in model container [2022-11-02 20:56:06,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:55:13" (2/3) ... [2022-11-02 20:56:06,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626e3740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:06, skipping insertion in model container [2022-11-02 20:56:06,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:06" (3/3) ... [2022-11-02 20:56:06,127 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2022-11-02 20:56:06,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:56:06,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:56:06,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:56:06,265 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@378f66da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:56:06,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:56:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 2824 states, 1741 states have (on average 1.3090178058587019) internal successors, (2279), 1807 states have internal predecessors, (2279), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) [2022-11-02 20:56:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:56:06,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:06,302 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:06,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:06,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1782154457, now seen corresponding path program 1 times [2022-11-02 20:56:06,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:06,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569983532] [2022-11-02 20:56:06,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:06,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:56:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:56:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:56:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:56:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:56:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:56:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:56:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:56:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:56:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:56:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:56:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:56:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:56:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:56:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:56:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:56:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:56:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:56:08,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:08,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569983532] [2022-11-02 20:56:08,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569983532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:08,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:08,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:56:08,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775258985] [2022-11-02 20:56:08,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:08,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:56:08,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:08,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:56:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:08,684 INFO L87 Difference]: Start difference. First operand has 2824 states, 1741 states have (on average 1.3090178058587019) internal successors, (2279), 1807 states have internal predecessors, (2279), 912 states have call successors, (912), 170 states have call predecessors, (912), 169 states have return successors, (906), 892 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:56:10,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:13,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:18,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:33,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:33,466 INFO L93 Difference]: Finished difference Result 6205 states and 9771 transitions. [2022-11-02 20:56:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:56:33,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 250 [2022-11-02 20:56:33,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:33,529 INFO L225 Difference]: With dead ends: 6205 [2022-11-02 20:56:33,529 INFO L226 Difference]: Without dead ends: 3372 [2022-11-02 20:56:33,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:56:33,571 INFO L413 NwaCegarLoop]: 3965 mSDtfsCounter, 2498 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 2225 mSolverCounterSat, 2741 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 7142 SdHoareTripleChecker+Invalid, 4969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2741 IncrementalHoareTripleChecker+Valid, 2225 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:33,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 7142 Invalid, 4969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2741 Valid, 2225 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2022-11-02 20:56:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2022-11-02 20:56:33,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 2810. [2022-11-02 20:56:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2810 states, 1735 states have (on average 1.3043227665706052) internal successors, (2263), 1793 states have internal predecessors, (2263), 906 states have call successors, (906), 169 states have call predecessors, (906), 168 states have return successors, (899), 885 states have call predecessors, (899), 899 states have call successors, (899) [2022-11-02 20:56:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 4068 transitions. [2022-11-02 20:56:33,902 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 4068 transitions. Word has length 250 [2022-11-02 20:56:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:33,904 INFO L495 AbstractCegarLoop]: Abstraction has 2810 states and 4068 transitions. [2022-11-02 20:56:33,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:56:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 4068 transitions. [2022-11-02 20:56:33,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:56:33,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:33,922 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:33,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:56:33,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1959654471, now seen corresponding path program 1 times [2022-11-02 20:56:33,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:33,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772062637] [2022-11-02 20:56:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:33,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:56:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:56:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:56:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:56:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:56:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:56:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:56:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:56:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:56:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:56:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:56:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:56:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:56:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:56:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:56:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:56:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:56:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:56:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:56:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:56:35,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:35,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772062637] [2022-11-02 20:56:35,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772062637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:35,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:35,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:56:35,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914932356] [2022-11-02 20:56:35,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:35,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:56:35,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:35,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:56:35,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:56:35,815 INFO L87 Difference]: Start difference. First operand 2810 states and 4068 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-02 20:56:37,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:56:40,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:11,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:11,097 INFO L93 Difference]: Finished difference Result 9435 states and 14125 transitions. [2022-11-02 20:57:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:57:11,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 250 [2022-11-02 20:57:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:11,188 INFO L225 Difference]: With dead ends: 9435 [2022-11-02 20:57:11,188 INFO L226 Difference]: Without dead ends: 6668 [2022-11-02 20:57:11,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:57:11,220 INFO L413 NwaCegarLoop]: 4519 mSDtfsCounter, 10397 mSDsluCounter, 5148 mSDsCounter, 0 mSdLazyCounter, 3958 mSolverCounterSat, 8695 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10854 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 12655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8695 IncrementalHoareTripleChecker+Valid, 3958 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:11,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10854 Valid, 9667 Invalid, 12655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8695 Valid, 3958 Invalid, 2 Unknown, 0 Unchecked, 34.2s Time] [2022-11-02 20:57:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-02 20:57:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 5542. [2022-11-02 20:57:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 3425 states have (on average 1.3062773722627736) internal successors, (4474), 3535 states have internal predecessors, (4474), 1781 states have call successors, (1781), 336 states have call predecessors, (1781), 335 states have return successors, (1774), 1746 states have call predecessors, (1774), 1774 states have call successors, (1774) [2022-11-02 20:57:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 8029 transitions. [2022-11-02 20:57:11,762 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 8029 transitions. Word has length 250 [2022-11-02 20:57:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:11,766 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 8029 transitions. [2022-11-02 20:57:11,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-02 20:57:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 8029 transitions. [2022-11-02 20:57:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-02 20:57:11,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:11,775 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:57:11,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash 123010858, now seen corresponding path program 1 times [2022-11-02 20:57:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:11,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568577096] [2022-11-02 20:57:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:57:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:57:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:57:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:57:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:57:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:57:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:57:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:57:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:57:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:57:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:57:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:57:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:57:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:57:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:57:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:57:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:57:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-02 20:57:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:57:13,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:13,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568577096] [2022-11-02 20:57:13,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568577096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:13,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:13,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:57:13,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814340457] [2022-11-02 20:57:13,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:13,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:57:13,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:13,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:57:13,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:57:13,446 INFO L87 Difference]: Start difference. First operand 5542 states and 8029 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 20:57:15,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:17,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:22,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:23,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:24,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:42,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:57:44,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:08,975 INFO L93 Difference]: Finished difference Result 18620 states and 27844 transitions. [2022-11-02 20:58:08,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:58:08,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 257 [2022-11-02 20:58:08,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:58:09,135 INFO L225 Difference]: With dead ends: 18620 [2022-11-02 20:58:09,135 INFO L226 Difference]: Without dead ends: 13121 [2022-11-02 20:58:09,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:58:09,187 INFO L413 NwaCegarLoop]: 5769 mSDtfsCounter, 7065 mSDsluCounter, 9702 mSDsCounter, 0 mSdLazyCounter, 6806 mSolverCounterSat, 4961 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7498 SdHoareTripleChecker+Valid, 15471 SdHoareTripleChecker+Invalid, 11769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4961 IncrementalHoareTripleChecker+Valid, 6806 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:09,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7498 Valid, 15471 Invalid, 11769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4961 Valid, 6806 Invalid, 2 Unknown, 0 Unchecked, 54.3s Time] [2022-11-02 20:58:09,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13121 states. [2022-11-02 20:58:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13121 to 10865. [2022-11-02 20:58:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10865 states, 6714 states have (on average 1.3053321417932677) internal successors, (8764), 6922 states have internal predecessors, (8764), 3481 states have call successors, (3481), 670 states have call predecessors, (3481), 669 states have return successors, (3474), 3420 states have call predecessors, (3474), 3474 states have call successors, (3474) [2022-11-02 20:58:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10865 states to 10865 states and 15719 transitions. [2022-11-02 20:58:10,283 INFO L78 Accepts]: Start accepts. Automaton has 10865 states and 15719 transitions. Word has length 257 [2022-11-02 20:58:10,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:58:10,285 INFO L495 AbstractCegarLoop]: Abstraction has 10865 states and 15719 transitions. [2022-11-02 20:58:10,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 20:58:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 10865 states and 15719 transitions. [2022-11-02 20:58:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-02 20:58:10,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:10,294 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:10,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:58:10,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:58:10,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:10,295 INFO L85 PathProgramCache]: Analyzing trace with hash -62786218, now seen corresponding path program 1 times [2022-11-02 20:58:10,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:10,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149733101] [2022-11-02 20:58:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:58:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:58:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:58:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:58:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:58:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:58:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:58:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:58:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:58:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:58:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:58:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:58:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:58:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:58:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:58:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:58:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:58:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:58:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:58:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:58:11,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:11,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149733101] [2022-11-02 20:58:11,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149733101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:11,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:11,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:58:11,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340895389] [2022-11-02 20:58:11,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:11,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:11,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:11,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:11,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:11,775 INFO L87 Difference]: Start difference. First operand 10865 states and 15719 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:58:13,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:25,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:44,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:44,396 INFO L93 Difference]: Finished difference Result 34834 states and 52036 transitions. [2022-11-02 20:58:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:58:44,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 264 [2022-11-02 20:58:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:58:44,600 INFO L225 Difference]: With dead ends: 34834 [2022-11-02 20:58:44,600 INFO L226 Difference]: Without dead ends: 24012 [2022-11-02 20:58:44,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:58:44,682 INFO L413 NwaCegarLoop]: 4563 mSDtfsCounter, 9418 mSDsluCounter, 5103 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 7898 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9821 SdHoareTripleChecker+Valid, 9666 SdHoareTripleChecker+Invalid, 11697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7898 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:44,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9821 Valid, 9666 Invalid, 11697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7898 Valid, 3798 Invalid, 1 Unknown, 0 Unchecked, 30.7s Time] [2022-11-02 20:58:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24012 states. [2022-11-02 20:58:46,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24012 to 19964. [2022-11-02 20:58:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19964 states, 12240 states have (on average 1.3013071895424837) internal successors, (15928), 12644 states have internal predecessors, (15928), 6444 states have call successors, (6444), 1280 states have call predecessors, (6444), 1279 states have return successors, (6437), 6329 states have call predecessors, (6437), 6437 states have call successors, (6437) [2022-11-02 20:58:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19964 states to 19964 states and 28809 transitions. [2022-11-02 20:58:46,396 INFO L78 Accepts]: Start accepts. Automaton has 19964 states and 28809 transitions. Word has length 264 [2022-11-02 20:58:46,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:58:46,398 INFO L495 AbstractCegarLoop]: Abstraction has 19964 states and 28809 transitions. [2022-11-02 20:58:46,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 20:58:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 19964 states and 28809 transitions. [2022-11-02 20:58:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-02 20:58:46,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:46,404 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:46,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:58:46,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:58:46,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2137820243, now seen corresponding path program 1 times [2022-11-02 20:58:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:46,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936149428] [2022-11-02 20:58:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:58:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:58:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:58:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:58:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:58:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:58:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:58:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:58:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:58:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:58:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:58:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:58:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:58:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:58:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:58:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:58:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:58:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:58:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:58:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:58:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:58:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:48,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936149428] [2022-11-02 20:58:48,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936149428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:48,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:48,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:58:48,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526431347] [2022-11-02 20:58:48,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:48,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:48,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:48,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:48,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:48,019 INFO L87 Difference]: Start difference. First operand 19964 states and 28809 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)