./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- 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 20:30:20,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:20,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:20,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:20,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:20,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:20,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:20,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:20,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:20,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:20,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:20,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:20,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:20,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:20,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:20,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:20,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:20,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:20,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:20,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:20,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:20,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:20,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:20,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:20,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:20,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:20,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:20,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:20,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:20,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:20,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:20,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:20,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:20,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:20,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:20,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:20,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:20,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:20,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:21,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:21,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:21,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:30:21,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:21,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:21,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:21,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:21,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:21,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:21,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:21,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:21,051 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:21,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:21,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:21,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:21,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:21,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:21,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:21,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:21,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:21,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:21,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:21,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:21,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:21,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:21,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:21,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:21,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:21,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:21,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:30:21,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:21,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:21,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:21,058 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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-11-02 20:30:21,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:21,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:21,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:21,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:21,405 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:21,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-02 20:30:21,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/data/aa5fb65bf/a469ed37e5bd43c59771d7a7e85705b8/FLAGa8da51cc2 [2022-11-02 20:30:22,480 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:22,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-02 20:30:22,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/data/aa5fb65bf/a469ed37e5bd43c59771d7a7e85705b8/FLAGa8da51cc2 [2022-11-02 20:30:22,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/data/aa5fb65bf/a469ed37e5bd43c59771d7a7e85705b8 [2022-11-02 20:30:22,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:22,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:22,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:22,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:22,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:22,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:22" (1/1) ... [2022-11-02 20:30:22,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc0fb2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:22, skipping insertion in model container [2022-11-02 20:30:22,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:22" (1/1) ... [2022-11-02 20:30:22,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:22,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:24,680 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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-02 20:30:26,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:26,944 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:27,145 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_812b8bba-ea80-4f23-a0fa-176c7e7bc763/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-02 20:30:27,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:28,173 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:28,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28 WrapperNode [2022-11-02 20:30:28,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:28,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:28,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:28,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:28,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:28,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:28,773 INFO L138 Inliner]: procedures = 449, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6344 [2022-11-02 20:30:28,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:28,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:28,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:28,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:28,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:28,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:28,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:28,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:29,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:29,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:29,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:29,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (1/1) ... [2022-11-02 20:30:29,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:29,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:29,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:30:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:30:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-02 20:30:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-02 20:30:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-02 20:30:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-02 20:30:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-02 20:30:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-02 20:30:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-02 20:30:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-02 20:30:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-02 20:30:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-02 20:30:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:30:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:30:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:30:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:30:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-02 20:30:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-02 20:30:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-02 20:30:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-02 20:30:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-02 20:30:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-02 20:30:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 20:30:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 20:30:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-02 20:30:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-02 20:30:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-02 20:30:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-02 20:30:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:30:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:30:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:30:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:30:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-02 20:30:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-02 20:30:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-02 20:30:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-02 20:30:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-02 20:30:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-02 20:30:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-02 20:30:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-02 20:30:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-02 20:30:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-02 20:30:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-02 20:30:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-02 20:30:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:30:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:30:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-02 20:30:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-02 20:30:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-02 20:30:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-02 20:30:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-02 20:30:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-02 20:30:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-02 20:30:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-02 20:30:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-02 20:30:29,449 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-02 20:30:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-02 20:30:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-02 20:30:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-02 20:30:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-02 20:30:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-02 20:30:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-02 20:30:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:30:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-02 20:30:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-02 20:30:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-02 20:30:29,453 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-02 20:30:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-02 20:30:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-02 20:30:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-02 20:30:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-02 20:30:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-02 20:30:29,454 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-02 20:30:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-02 20:30:29,455 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-02 20:30:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-02 20:30:29,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-02 20:30:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:30:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:30:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-02 20:30:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-02 20:30:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-02 20:30:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-02 20:30:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-02 20:30:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-02 20:30:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:30:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:30:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-02 20:30:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-02 20:30:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:30:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-02 20:30:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-02 20:30:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-02 20:30:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-02 20:30:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-02 20:30:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-02 20:30:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-02 20:30:29,462 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-02 20:30:29,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-02 20:30:29,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-02 20:30:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:30:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-02 20:30:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-02 20:30:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-02 20:30:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-02 20:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-02 20:30:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-02 20:30:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-02 20:30:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-02 20:30:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:30:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:30:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-02 20:30:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-02 20:30:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-02 20:30:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-02 20:30:29,467 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-02 20:30:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-02 20:30:29,469 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 20:30:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 20:30:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-02 20:30:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-02 20:30:29,472 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-02 20:30:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-02 20:30:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:30:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:30:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-02 20:30:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-02 20:30:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-02 20:30:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-02 20:30:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-02 20:30:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-02 20:30:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-02 20:30:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-02 20:30:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-02 20:30:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-02 20:30:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-02 20:30:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 20:30:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 20:30:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:30:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:30:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:30:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-02 20:30:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-02 20:30:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-02 20:30:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-02 20:30:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-02 20:30:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-02 20:30:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:30:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:30:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:30:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:30:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-02 20:30:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-02 20:30:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:30:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:30:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-02 20:30:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-02 20:30:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-02 20:30:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-02 20:30:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-02 20:30:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-02 20:30:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-02 20:30:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-02 20:30:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:30:29,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:30:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-02 20:30:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-02 20:30:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:30:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:30:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-02 20:30:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-02 20:30:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-02 20:30:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-02 20:30:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-02 20:30:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-02 20:30:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-02 20:30:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-02 20:30:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-02 20:30:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-02 20:30:29,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-02 20:30:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-02 20:30:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-02 20:30:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-02 20:30:29,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-02 20:30:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-02 20:30:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-02 20:30:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-02 20:30:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-02 20:30:29,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-02 20:30:29,492 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-02 20:30:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-02 20:30:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:30:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:30:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:30:29,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:30:29,493 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-02 20:30:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-02 20:30:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-02 20:30:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-02 20:30:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:30:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:30:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-02 20:30:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-02 20:30:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-02 20:30:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-02 20:30:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-02 20:30:29,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-02 20:30:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-02 20:30:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-02 20:30:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:30:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-02 20:30:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-02 20:30:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-02 20:30:29,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-02 20:30:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-02 20:30:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-02 20:30:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-02 20:30:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-02 20:30:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-02 20:30:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-02 20:30:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-02 20:30:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-02 20:30:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-02 20:30:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-02 20:30:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:30:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:30:29,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:30:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:30:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-02 20:30:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-02 20:30:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-11-02 20:30:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-11-02 20:30:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-02 20:30:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-02 20:30:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:30:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:30:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-02 20:30:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-02 20:30:29,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:30:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:30:29,501 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-02 20:30:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-02 20:30:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-02 20:30:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-02 20:30:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-02 20:30:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-02 20:30:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:30:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:30:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:30:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-02 20:30:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-02 20:30:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-02 20:30:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-02 20:30:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-02 20:30:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-02 20:30:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:30:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:30:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:30:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-02 20:30:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-02 20:30:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-02 20:30:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-02 20:30:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-02 20:30:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-02 20:30:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-02 20:30:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-02 20:30:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:30:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-02 20:30:29,512 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-02 20:30:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-02 20:30:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-02 20:30:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-02 20:30:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-02 20:30:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:30:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:30:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:30:29,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:30:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:30:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:30:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:30:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:30:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-02 20:30:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-02 20:30:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-02 20:30:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-02 20:30:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:30:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:30:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-02 20:30:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-02 20:30:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:30:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:30:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-02 20:30:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-02 20:30:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-02 20:30:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-02 20:30:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-02 20:30:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-02 20:30:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-02 20:30:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-02 20:30:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-02 20:30:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-02 20:30:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-02 20:30:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-02 20:30:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-02 20:30:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-02 20:30:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-02 20:30:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-02 20:30:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:30:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:30:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-02 20:30:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-02 20:30:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-02 20:30:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-02 20:30:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:30:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:30:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-02 20:30:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-02 20:30:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:30:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-02 20:30:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-02 20:30:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-02 20:30:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-02 20:30:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:30:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:30:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-02 20:30:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-02 20:30:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-02 20:30:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-02 20:30:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-02 20:30:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-02 20:30:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-02 20:30:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-02 20:30:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-02 20:30:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-02 20:30:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-02 20:30:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-02 20:30:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-02 20:30:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-02 20:30:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-02 20:30:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-02 20:30:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-02 20:30:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-02 20:30:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-02 20:30:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-02 20:30:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:30:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:30:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-02 20:30:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-02 20:30:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-02 20:30:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-02 20:30:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-02 20:30:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-02 20:30:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-02 20:30:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-02 20:30:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:30:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:30:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-02 20:30:29,524 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-02 20:30:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:30:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:30:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-02 20:30:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-02 20:30:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:30:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:30:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-02 20:30:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-02 20:30:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:30:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:30:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-02 20:30:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-02 20:30:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-02 20:30:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-02 20:30:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 20:30:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 20:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-02 20:30:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-02 20:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:30:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-02 20:30:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-02 20:30:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-02 20:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-02 20:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-02 20:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-02 20:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-02 20:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-02 20:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-02 20:30:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-02 20:30:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-02 20:30:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-02 20:30:30,888 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:30,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:31,321 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:30:37,669 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:37,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:37,694 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 20:30:37,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:37 BoogieIcfgContainer [2022-11-02 20:30:37,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:37,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:37,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:37,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:37,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:22" (1/3) ... [2022-11-02 20:30:37,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79df7d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:37, skipping insertion in model container [2022-11-02 20:30:37,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:28" (2/3) ... [2022-11-02 20:30:37,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79df7d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:37, skipping insertion in model container [2022-11-02 20:30:37,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:37" (3/3) ... [2022-11-02 20:30:37,717 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-02 20:30:37,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:37,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:38,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:38,007 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;@2a0eda38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:38,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-11-02 20:30:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:30:38,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:38,069 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:38,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:38,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1787358380, now seen corresponding path program 1 times [2022-11-02 20:30:38,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:38,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619215759] [2022-11-02 20:30:38,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:38,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:30:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:30:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:30:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:30:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:30:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:30:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:30:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:30:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:30:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:30:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:30:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:30:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 20:30:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-02 20:30:39,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:39,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619215759] [2022-11-02 20:30:39,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619215759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:39,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:39,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:30:39,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195494402] [2022-11-02 20:30:39,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:39,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:30:39,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:39,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:30:39,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:30:39,615 INFO L87 Difference]: Start difference. First operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:30:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:58,108 INFO L93 Difference]: Finished difference Result 9276 states and 13674 transitions. [2022-11-02 20:30:58,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:30:58,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-11-02 20:30:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:58,183 INFO L225 Difference]: With dead ends: 9276 [2022-11-02 20:30:58,184 INFO L226 Difference]: Without dead ends: 6442 [2022-11-02 20:30:58,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:30:58,208 INFO L413 NwaCegarLoop]: 4018 mSDtfsCounter, 9006 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 4849 mSolverCounterSat, 4295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9357 SdHoareTripleChecker+Valid, 9619 SdHoareTripleChecker+Invalid, 9144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4295 IncrementalHoareTripleChecker+Valid, 4849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:58,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9357 Valid, 9619 Invalid, 9144 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4295 Valid, 4849 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-02 20:30:58,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2022-11-02 20:30:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 5512. [2022-11-02 20:30:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5512 states, 3951 states have (on average 1.3778790179701341) internal successors, (5444), 4034 states have internal predecessors, (5444), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-02 20:30:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7819 transitions. [2022-11-02 20:30:58,716 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7819 transitions. Word has length 112 [2022-11-02 20:30:58,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:58,719 INFO L495 AbstractCegarLoop]: Abstraction has 5512 states and 7819 transitions. [2022-11-02 20:30:58,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 20:30:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7819 transitions. [2022-11-02 20:30:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:30:58,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:58,731 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:58,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:30:58,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:58,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1654104793, now seen corresponding path program 1 times [2022-11-02 20:30:58,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:58,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320523294] [2022-11-02 20:30:58,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:30:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:30:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:30:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:30:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:30:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:30:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:30:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:30:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:30:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:30:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:30:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:30:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:30:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-02 20:30:59,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:59,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320523294] [2022-11-02 20:30:59,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320523294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:59,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:59,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:30:59,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250712630] [2022-11-02 20:30:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:59,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:30:59,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:59,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:30:59,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:30:59,621 INFO L87 Difference]: Start difference. First operand 5512 states and 7819 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-02 20:31:11,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:11,739 INFO L93 Difference]: Finished difference Result 12374 states and 17899 transitions. [2022-11-02 20:31:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:31:11,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2022-11-02 20:31:11,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:11,861 INFO L225 Difference]: With dead ends: 12374 [2022-11-02 20:31:11,861 INFO L226 Difference]: Without dead ends: 6894 [2022-11-02 20:31:11,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:31:11,884 INFO L413 NwaCegarLoop]: 4190 mSDtfsCounter, 6937 mSDsluCounter, 6461 mSDsCounter, 0 mSdLazyCounter, 4134 mSolverCounterSat, 2737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7258 SdHoareTripleChecker+Valid, 10651 SdHoareTripleChecker+Invalid, 6871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2737 IncrementalHoareTripleChecker+Valid, 4134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:11,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7258 Valid, 10651 Invalid, 6871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2737 Valid, 4134 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-11-02 20:31:11,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2022-11-02 20:31:12,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5514. [2022-11-02 20:31:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3953 states have (on average 1.3774348596003037) internal successors, (5445), 4036 states have internal predecessors, (5445), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-02 20:31:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7820 transitions. [2022-11-02 20:31:12,252 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7820 transitions. Word has length 110 [2022-11-02 20:31:12,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:12,254 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7820 transitions. [2022-11-02 20:31:12,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-02 20:31:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7820 transitions. [2022-11-02 20:31:12,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-02 20:31:12,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:12,267 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:12,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:31:12,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:12,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1595905571, now seen corresponding path program 1 times [2022-11-02 20:31:12,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:12,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543779480] [2022-11-02 20:31:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:12,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:31:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:31:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:31:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:31:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:31:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:31:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:31:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:31:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:31:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:31:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:31:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:31:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 20:31:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-02 20:31:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:13,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543779480] [2022-11-02 20:31:13,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543779480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:13,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:13,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:31:13,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486394904] [2022-11-02 20:31:13,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:13,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:31:13,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:13,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:31:13,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:31:13,244 INFO L87 Difference]: Start difference. First operand 5514 states and 7820 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 20:31:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:31,247 INFO L93 Difference]: Finished difference Result 18321 states and 26740 transitions. [2022-11-02 20:31:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:31:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2022-11-02 20:31:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:31,366 INFO L225 Difference]: With dead ends: 18321 [2022-11-02 20:31:31,366 INFO L226 Difference]: Without dead ends: 12824 [2022-11-02 20:31:31,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:31:31,408 INFO L413 NwaCegarLoop]: 4314 mSDtfsCounter, 8820 mSDsluCounter, 11979 mSDsCounter, 0 mSdLazyCounter, 9240 mSolverCounterSat, 4144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9160 SdHoareTripleChecker+Valid, 16293 SdHoareTripleChecker+Invalid, 13384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4144 IncrementalHoareTripleChecker+Valid, 9240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:31,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9160 Valid, 16293 Invalid, 13384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4144 Valid, 9240 Invalid, 0 Unknown, 0 Unchecked, 17.0s Time] [2022-11-02 20:31:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12824 states. [2022-11-02 20:31:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12824 to 11294. [2022-11-02 20:31:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11294 states, 8084 states have (on average 1.375804057397328) internal successors, (11122), 8270 states have internal predecessors, (11122), 2419 states have call successors, (2419), 743 states have call predecessors, (2419), 790 states have return successors, (2673), 2398 states have call predecessors, (2673), 2418 states have call successors, (2673) [2022-11-02 20:31:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11294 states to 11294 states and 16214 transitions. [2022-11-02 20:31:32,289 INFO L78 Accepts]: Start accepts. Automaton has 11294 states and 16214 transitions. Word has length 111 [2022-11-02 20:31:32,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:32,291 INFO L495 AbstractCegarLoop]: Abstraction has 11294 states and 16214 transitions. [2022-11-02 20:31:32,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 20:31:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 11294 states and 16214 transitions. [2022-11-02 20:31:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-02 20:31:32,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:32,329 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:32,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:31:32,330 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:32,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:32,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1120234028, now seen corresponding path program 1 times [2022-11-02 20:31:32,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:32,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905004794] [2022-11-02 20:31:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:31:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:31:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:31:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:31:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:31:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:31:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:31:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:31:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:31:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:31:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:31:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:31:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:31:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 20:31:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:31:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:31:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:31:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:31:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:31:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 20:31:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-02 20:31:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-02 20:31:34,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:34,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905004794] [2022-11-02 20:31:34,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905004794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:34,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:34,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:31:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957602873] [2022-11-02 20:31:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:34,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:31:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:34,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:31:34,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:31:34,111 INFO L87 Difference]: Start difference. First operand 11294 states and 16214 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 20:31:57,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:57,395 INFO L93 Difference]: Finished difference Result 30289 states and 44661 transitions. [2022-11-02 20:31:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:31:57,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 228 [2022-11-02 20:31:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:31:57,521 INFO L225 Difference]: With dead ends: 30289 [2022-11-02 20:31:57,521 INFO L226 Difference]: Without dead ends: 19027 [2022-11-02 20:31:57,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:31:57,590 INFO L413 NwaCegarLoop]: 3950 mSDtfsCounter, 6544 mSDsluCounter, 14494 mSDsCounter, 0 mSdLazyCounter, 13068 mSolverCounterSat, 2465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7054 SdHoareTripleChecker+Valid, 18444 SdHoareTripleChecker+Invalid, 15533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2465 IncrementalHoareTripleChecker+Valid, 13068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:31:57,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7054 Valid, 18444 Invalid, 15533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2465 Valid, 13068 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2022-11-02 20:31:57,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19027 states. [2022-11-02 20:31:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19027 to 17006. [2022-11-02 20:31:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17006 states, 12178 states have (on average 1.371325340778453) internal successors, (16700), 12447 states have internal predecessors, (16700), 3584 states have call successors, (3584), 1111 states have call predecessors, (3584), 1243 states have return successors, (4136), 3619 states have call predecessors, (4136), 3583 states have call successors, (4136) [2022-11-02 20:31:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17006 states to 17006 states and 24420 transitions. [2022-11-02 20:31:58,872 INFO L78 Accepts]: Start accepts. Automaton has 17006 states and 24420 transitions. Word has length 228 [2022-11-02 20:31:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:31:58,874 INFO L495 AbstractCegarLoop]: Abstraction has 17006 states and 24420 transitions. [2022-11-02 20:31:58,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-02 20:31:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 17006 states and 24420 transitions. [2022-11-02 20:31:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-02 20:31:58,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:31:58,930 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:58,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:31:58,930 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:31:58,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:58,931 INFO L85 PathProgramCache]: Analyzing trace with hash -277425118, now seen corresponding path program 1 times [2022-11-02 20:31:58,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:58,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349341541] [2022-11-02 20:31:58,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:31:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:31:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:31:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:31:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:31:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:31:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:31:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:31:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:31:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:31:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:31:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:31:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:31:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:31:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:31:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:31:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:31:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:31:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:31:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:31:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:31:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:31:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:31:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:32:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:32:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:32:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:32:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:32:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:32:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:32:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-02 20:32:00,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:00,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349341541] [2022-11-02 20:32:00,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349341541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:00,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:00,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:32:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686450575] [2022-11-02 20:32:00,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:00,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:32:00,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:32:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:32:00,304 INFO L87 Difference]: Start difference. First operand 17006 states and 24420 transitions. Second operand has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 20:32:21,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:21,534 INFO L93 Difference]: Finished difference Result 36722 states and 53938 transitions. [2022-11-02 20:32:21,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:32:21,535 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 265 [2022-11-02 20:32:21,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:21,649 INFO L225 Difference]: With dead ends: 36722 [2022-11-02 20:32:21,649 INFO L226 Difference]: Without dead ends: 19748 [2022-11-02 20:32:21,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:32:21,719 INFO L413 NwaCegarLoop]: 5485 mSDtfsCounter, 5484 mSDsluCounter, 11962 mSDsCounter, 0 mSdLazyCounter, 11647 mSolverCounterSat, 2635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 17447 SdHoareTripleChecker+Invalid, 14282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2635 IncrementalHoareTripleChecker+Valid, 11647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:21,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 17447 Invalid, 14282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2635 Valid, 11647 Invalid, 0 Unknown, 0 Unchecked, 19.7s Time] [2022-11-02 20:32:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19748 states. [2022-11-02 20:32:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19748 to 16589. [2022-11-02 20:32:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16589 states, 11794 states have (on average 1.3517042564015602) internal successors, (15942), 12076 states have internal predecessors, (15942), 3523 states have call successors, (3523), 1129 states have call predecessors, (3523), 1271 states have return successors, (4088), 3560 states have call predecessors, (4088), 3522 states have call successors, (4088) [2022-11-02 20:32:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16589 states to 16589 states and 23553 transitions. [2022-11-02 20:32:23,098 INFO L78 Accepts]: Start accepts. Automaton has 16589 states and 23553 transitions. Word has length 265 [2022-11-02 20:32:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:23,099 INFO L495 AbstractCegarLoop]: Abstraction has 16589 states and 23553 transitions. [2022-11-02 20:32:23,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-02 20:32:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 16589 states and 23553 transitions. [2022-11-02 20:32:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-02 20:32:23,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:23,147 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:23,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:32:23,148 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:23,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:23,149 INFO L85 PathProgramCache]: Analyzing trace with hash -460340107, now seen corresponding path program 1 times [2022-11-02 20:32:23,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:23,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244118597] [2022-11-02 20:32:23,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:23,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:32:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:32:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:32:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:32:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:32:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:32:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:32:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:32:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:32:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:32:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:32:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:32:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:32:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 20:32:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:32:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:32:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:32:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:32:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:32:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:32:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:32:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:32:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:32:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 20:32:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:32:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:32:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-02 20:32:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-02 20:32:25,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:25,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244118597] [2022-11-02 20:32:25,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244118597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:25,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:32:25,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-02 20:32:25,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987173718] [2022-11-02 20:32:25,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:25,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-02 20:32:25,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:25,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:32:25,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:32:25,780 INFO L87 Difference]: Start difference. First operand 16589 states and 23553 transitions. Second operand has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (40), 5 states have call predecessors, (40), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-02 20:32:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:44,837 INFO L93 Difference]: Finished difference Result 35052 states and 50964 transitions. [2022-11-02 20:32:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:32:44,837 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (40), 5 states have call predecessors, (40), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 297 [2022-11-02 20:32:44,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:44,923 INFO L225 Difference]: With dead ends: 35052 [2022-11-02 20:32:44,923 INFO L226 Difference]: Without dead ends: 18646 [2022-11-02 20:32:44,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:32:44,982 INFO L413 NwaCegarLoop]: 3540 mSDtfsCounter, 2604 mSDsluCounter, 22389 mSDsCounter, 0 mSdLazyCounter, 15303 mSolverCounterSat, 1656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 25929 SdHoareTripleChecker+Invalid, 16959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1656 IncrementalHoareTripleChecker+Valid, 15303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:44,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 25929 Invalid, 16959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1656 Valid, 15303 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2022-11-02 20:32:44,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18646 states. [2022-11-02 20:32:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18646 to 16610. [2022-11-02 20:32:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16610 states, 11812 states have (on average 1.3504063664070436) internal successors, (15951), 12091 states have internal predecessors, (15951), 3523 states have call successors, (3523), 1129 states have call predecessors, (3523), 1274 states have return successors, (4094), 3566 states have call predecessors, (4094), 3522 states have call successors, (4094) [2022-11-02 20:32:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 23568 transitions. [2022-11-02 20:32:46,010 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 23568 transitions. Word has length 297 [2022-11-02 20:32:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:46,011 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 23568 transitions. [2022-11-02 20:32:46,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (40), 5 states have call predecessors, (40), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-02 20:32:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 23568 transitions. [2022-11-02 20:32:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-02 20:32:46,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:46,059 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:46,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:32:46,059 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:46,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:46,060 INFO L85 PathProgramCache]: Analyzing trace with hash 52173535, now seen corresponding path program 1 times [2022-11-02 20:32:46,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:46,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516470592] [2022-11-02 20:32:46,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:46,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:32:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:32:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:32:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:32:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:32:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:32:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:32:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:32:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:32:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:32:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:32:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:32:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:32:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-02 20:32:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:32:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:32:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:32:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:32:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-02 20:32:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:32:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:32:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:32:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:32:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:32:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:32:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-02 20:32:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:32:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-02 20:32:47,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:47,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516470592] [2022-11-02 20:32:47,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516470592] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:32:47,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240433456] [2022-11-02 20:32:47,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:47,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:32:47,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:47,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:32:47,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:32:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:49,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:32:49,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-02 20:32:49,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:32:49,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240433456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:32:49,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:32:49,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-02 20:32:49,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878523170] [2022-11-02 20:32:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:32:49,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:32:49,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:32:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:32:49,858 INFO L87 Difference]: Start difference. First operand 16610 states and 23568 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-02 20:32:50,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:32:50,854 INFO L93 Difference]: Finished difference Result 33216 states and 47581 transitions. [2022-11-02 20:32:50,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:32:50,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 293 [2022-11-02 20:32:50,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:32:50,929 INFO L225 Difference]: With dead ends: 33216 [2022-11-02 20:32:50,929 INFO L226 Difference]: Without dead ends: 16617 [2022-11-02 20:32:50,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:32:50,985 INFO L413 NwaCegarLoop]: 3872 mSDtfsCounter, 2 mSDsluCounter, 7737 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11609 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:32:50,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11609 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:32:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16617 states. [2022-11-02 20:32:51,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16617 to 16617. [2022-11-02 20:32:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16617 states, 11819 states have (on average 1.350198832388527) internal successors, (15958), 12098 states have internal predecessors, (15958), 3523 states have call successors, (3523), 1129 states have call predecessors, (3523), 1274 states have return successors, (4094), 3566 states have call predecessors, (4094), 3522 states have call successors, (4094) [2022-11-02 20:32:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16617 states to 16617 states and 23575 transitions. [2022-11-02 20:32:51,856 INFO L78 Accepts]: Start accepts. Automaton has 16617 states and 23575 transitions. Word has length 293 [2022-11-02 20:32:51,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:32:51,857 INFO L495 AbstractCegarLoop]: Abstraction has 16617 states and 23575 transitions. [2022-11-02 20:32:51,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-02 20:32:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 16617 states and 23575 transitions. [2022-11-02 20:32:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-02 20:32:51,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:32:51,887 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:51,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:32:52,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:32:52,103 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:32:52,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:32:52,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1461322022, now seen corresponding path program 1 times [2022-11-02 20:32:52,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:32:52,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388273537] [2022-11-02 20:32:52,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:52,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:32:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:32:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:32:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:32:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:32:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:32:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:32:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:32:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:32:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:32:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:32:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:32:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:32:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:32:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-02 20:32:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:32:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:32:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:32:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-02 20:32:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 20:32:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:32:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:32:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:32:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:32:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:32:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:32:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:32:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:32:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:32:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:32:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:32:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:32:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-11-02 20:32:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-11-02 20:32:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-02 20:32:54,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:32:54,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388273537] [2022-11-02 20:32:54,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388273537] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:32:54,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085933628] [2022-11-02 20:32:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:32:54,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:32:54,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:32:54,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:32:54,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:32:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:32:56,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 4191 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:32:56,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:32:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-02 20:32:56,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:32:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-02 20:32:57,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085933628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:32:57,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:32:57,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-02 20:32:57,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030358628] [2022-11-02 20:32:57,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:32:57,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 20:32:57,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:32:57,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:32:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:32:57,043 INFO L87 Difference]: Start difference. First operand 16617 states and 23575 transitions. Second operand has 14 states, 14 states have (on average 20.785714285714285) internal successors, (291), 10 states have internal predecessors, (291), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-02 20:33:10,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:10,697 INFO L93 Difference]: Finished difference Result 36328 states and 53084 transitions. [2022-11-02 20:33:10,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:33:10,698 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.785714285714285) internal successors, (291), 10 states have internal predecessors, (291), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 319 [2022-11-02 20:33:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:10,783 INFO L225 Difference]: With dead ends: 36328 [2022-11-02 20:33:10,783 INFO L226 Difference]: Without dead ends: 19724 [2022-11-02 20:33:10,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 711 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2022-11-02 20:33:10,850 INFO L413 NwaCegarLoop]: 3457 mSDtfsCounter, 4092 mSDsluCounter, 7487 mSDsCounter, 0 mSdLazyCounter, 6157 mSolverCounterSat, 2813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4348 SdHoareTripleChecker+Valid, 10944 SdHoareTripleChecker+Invalid, 8970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2813 IncrementalHoareTripleChecker+Valid, 6157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:10,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4348 Valid, 10944 Invalid, 8970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2813 Valid, 6157 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-02 20:33:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19724 states. [2022-11-02 20:33:11,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19724 to 16635. [2022-11-02 20:33:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16635 states, 11835 states have (on average 1.3499788762146177) internal successors, (15977), 12114 states have internal predecessors, (15977), 3523 states have call successors, (3523), 1131 states have call predecessors, (3523), 1276 states have return successors, (4094), 3566 states have call predecessors, (4094), 3522 states have call successors, (4094) [2022-11-02 20:33:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16635 states to 16635 states and 23594 transitions. [2022-11-02 20:33:11,773 INFO L78 Accepts]: Start accepts. Automaton has 16635 states and 23594 transitions. Word has length 319 [2022-11-02 20:33:11,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:11,773 INFO L495 AbstractCegarLoop]: Abstraction has 16635 states and 23594 transitions. [2022-11-02 20:33:11,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.785714285714285) internal successors, (291), 10 states have internal predecessors, (291), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-02 20:33:11,773 INFO L276 IsEmpty]: Start isEmpty. Operand 16635 states and 23594 transitions. [2022-11-02 20:33:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-02 20:33:11,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:11,808 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:33:11,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:12,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:12,027 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:12,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:12,028 INFO L85 PathProgramCache]: Analyzing trace with hash -593251332, now seen corresponding path program 1 times [2022-11-02 20:33:12,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:12,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842808498] [2022-11-02 20:33:12,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:33:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:33:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:33:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:33:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:33:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:33:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:33:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:33:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:33:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:33:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:33:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:33:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:33:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:33:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:33:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:33:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:33:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:33:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 20:33:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-02 20:33:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:33:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:33:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:33:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:33:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:33:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:33:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:33:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:33:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:33:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:33:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:33:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-02 20:33:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-02 20:33:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-02 20:33:13,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:13,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842808498] [2022-11-02 20:33:13,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842808498] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:33:13,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082464319] [2022-11-02 20:33:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:13,963 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:13,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812b8bba-ea80-4f23-a0fa-176c7e7bc763/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:33:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:16,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 4145 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 20:33:16,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 289 proven. 3 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-02 20:33:17,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:33:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-02 20:33:17,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082464319] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:33:17,464 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:33:17,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 17 [2022-11-02 20:33:17,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616316991] [2022-11-02 20:33:17,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:33:17,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 20:33:17,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:17,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:33:17,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:33:17,466 INFO L87 Difference]: Start difference. First operand 16635 states and 23594 transitions. Second operand has 17 states, 17 states have (on average 16.11764705882353) internal successors, (274), 13 states have internal predecessors, (274), 2 states have call successors, (92), 6 states have call predecessors, (92), 5 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-11-02 20:33:19,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []