./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.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_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/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_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/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_42ac49d0-042c-4073-b041-31cea1d0f357/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 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f --- 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 20:26:13,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:26:13,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:26:13,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:26:13,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:26:13,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:26:13,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:26:13,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:26:13,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:26:13,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:26:13,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:26:13,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:26:13,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:26:13,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:26:13,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:26:13,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:26:13,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:26:13,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:26:13,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:26:13,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:26:13,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:26:13,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:26:13,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:26:13,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:26:13,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:26:13,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:26:13,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:26:13,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:26:13,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:26:13,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:26:13,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:26:13,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:26:13,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:26:13,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:26:13,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:26:13,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:26:13,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:26:13,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:26:13,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:26:14,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:26:14,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:26:14,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:26:14,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:26:14,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:26:14,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:26:14,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:26:14,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:26:14,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:26:14,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:26:14,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:26:14,052 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:26:14,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:26:14,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:26:14,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:26:14,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:26:14,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:26:14,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:26:14,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:26:14,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:26:14,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:26:14,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:26:14,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:26:14,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:26:14,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:26:14,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:26:14,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:26:14,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:26:14,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:26:14,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:26:14,060 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:26:14,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:26:14,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:26:14,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2974a33527a9392dca8d355734fee3e0faaae6e14749128119c28fd0f37e8f [2022-11-02 20:26:14,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:26:14,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:26:14,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:26:14,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:26:14,525 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:26:14,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-02 20:26:14,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/data/4d89c75f5/ec3b652a2b0b437fa980eb4d0011d4db/FLAG44c748ce8 [2022-11-02 20:26:15,929 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:26:15,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-02 20:26:16,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/data/4d89c75f5/ec3b652a2b0b437fa980eb4d0011d4db/FLAG44c748ce8 [2022-11-02 20:26:16,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/data/4d89c75f5/ec3b652a2b0b437fa980eb4d0011d4db [2022-11-02 20:26:16,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:26:16,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:26:16,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:16,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:26:16,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:26:16,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:16" (1/1) ... [2022-11-02 20:26:16,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca23d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:16, skipping insertion in model container [2022-11-02 20:26:16,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:16" (1/1) ... [2022-11-02 20:26:16,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:26:16,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:26:19,779 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_42ac49d0-042c-4073-b041-31cea1d0f357/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-11-02 20:26:19,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:20,007 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:26:20,698 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_42ac49d0-042c-4073-b041-31cea1d0f357/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i[386204,386217] [2022-11-02 20:26:20,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:20,948 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:26:20,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20 WrapperNode [2022-11-02 20:26:20,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:20,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:20,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:26:20,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:26:20,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:21,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:21,635 INFO L138 Inliner]: procedures = 333, calls = 3594, calls flagged for inlining = 139, calls inlined = 136, statements flattened = 6651 [2022-11-02 20:26:21,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:21,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:26:21,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:26:21,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:26:21,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:21,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:21,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:21,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,289 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:26:22,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:26:22,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:26:22,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:26:22,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (1/1) ... [2022-11-02 20:26:22,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:26:22,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:22,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:22,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ac49d0-042c-4073-b041-31cea1d0f357/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:26:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-02 20:26:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-02 20:26:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:26:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:26:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-02 20:26:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-02 20:26:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:26:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:26:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:26:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:26:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_interrupt [2022-11-02 20:26:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_interrupt [2022-11-02 20:26:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:26:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:26:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-02 20:26:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-02 20:26:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:26:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:26:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:26:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:26:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-02 20:26:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-02 20:26:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:26:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:26:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-02 20:26:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-02 20:26:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:26:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:26:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-02 20:26:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-02 20:26:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-02 20:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-02 20:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:26:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-02 20:26:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-02 20:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-02 20:26:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-02 20:26:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:26:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:26:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-02 20:26:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-02 20:26:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-02 20:26:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-02 20:26:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-02 20:26:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-02 20:26:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:26:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:26:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-02 20:26:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-02 20:26:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-02 20:26:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-02 20:26:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-02 20:26:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-02 20:26:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:26:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:26:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-02 20:26:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-02 20:26:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-02 20:26:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-02 20:26:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:26:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:26:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:26:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:26:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-02 20:26:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-02 20:26:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-02 20:26:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-02 20:26:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:26:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:26:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-02 20:26:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-02 20:26:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-02 20:26:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-02 20:26:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-02 20:26:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-02 20:26:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-02 20:26:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-02 20:26:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-02 20:26:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-02 20:26:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 20:26:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 20:26:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:26:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-02 20:26:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-02 20:26:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-02 20:26:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-02 20:26:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:26:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-02 20:26:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-02 20:26:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-02 20:26:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-02 20:26:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-02 20:26:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-02 20:26:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-02 20:26:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-02 20:26:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-02 20:26:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-02 20:26:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-02 20:26:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-02 20:26:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:26:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-02 20:26:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-02 20:26:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-02 20:26:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-02 20:26:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:26:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:26:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:26:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:26:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:26:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:26:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-02 20:26:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-02 20:26:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-02 20:26:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-02 20:26:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-02 20:26:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:26:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-02 20:26:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2022-11-02 20:26:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-02 20:26:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-02 20:26:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:26:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-02 20:26:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-02 20:26:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-02 20:26:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-02 20:26:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-02 20:26:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-02 20:26:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-02 20:26:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-02 20:26:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-02 20:26:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-02 20:26:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-02 20:26:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-02 20:26:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-02 20:26:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-02 20:26:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:26:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:26:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:26:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:26:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-02 20:26:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-02 20:26:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-02 20:26:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-02 20:26:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:26:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:26:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:26:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:26:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:26:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:26:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-02 20:26:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-02 20:26:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:26:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-02 20:26:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-02 20:26:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-02 20:26:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-02 20:26:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-02 20:26:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-02 20:26:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:26:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:26:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:26:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:26:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:26:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 20:26:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-02 20:26:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-02 20:26:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:26:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-02 20:26:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-02 20:26:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-02 20:26:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-02 20:26:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:26:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:26:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:26:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:26:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:26:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-02 20:26:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-02 20:26:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:26:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:26:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-02 20:26:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-02 20:26:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-02 20:26:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-02 20:26:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:26:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:26:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-02 20:26:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-02 20:26:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-02 20:26:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-02 20:26:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:26:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-02 20:26:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-02 20:26:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:26:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:26:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:26:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:26:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:26:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:26:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-02 20:26:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-02 20:26:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:26:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:26:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-02 20:26:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-02 20:26:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-02 20:26:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-02 20:26:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-02 20:26:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-02 20:26:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:26:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-02 20:26:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-02 20:26:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-02 20:26:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-02 20:26:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:26:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:26:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-02 20:26:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-02 20:26:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:26:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:26:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:26:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-02 20:26:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-02 20:26:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-02 20:26:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-02 20:26:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:26:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:26:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:26:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 20:26:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 20:26:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-02 20:26:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-02 20:26:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-02 20:26:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-02 20:26:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-02 20:26:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-02 20:26:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:26:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:26:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-02 20:26:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-02 20:26:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-02 20:26:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-02 20:26:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-02 20:26:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-02 20:26:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-02 20:26:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-02 20:26:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-02 20:26:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-02 20:26:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-02 20:26:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-02 20:26:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-02 20:26:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-02 20:26:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-02 20:26:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-02 20:26:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-02 20:26:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-02 20:26:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-02 20:26:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-02 20:26:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-02 20:26:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-02 20:26:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-02 20:26:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-02 20:26:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-02 20:26:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-02 20:26:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-02 20:26:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-02 20:26:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:26:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:26:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 20:26:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 20:26:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-02 20:26:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-02 20:26:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:26:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:26:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-02 20:26:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-02 20:26:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-02 20:26:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-02 20:26:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-02 20:26:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-02 20:26:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:26:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-02 20:26:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-02 20:26:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-02 20:26:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-02 20:26:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:26:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:26:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:26:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-02 20:26:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-02 20:26:23,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:26:23,957 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:26:24,380 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:27:02,197 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:27:02,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:27:02,241 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-02 20:27:02,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:02 BoogieIcfgContainer [2022-11-02 20:27:02,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:27:02,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:27:02,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:27:02,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:27:02,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:26:16" (1/3) ... [2022-11-02 20:27:02,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb20df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:02, skipping insertion in model container [2022-11-02 20:27:02,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:20" (2/3) ... [2022-11-02 20:27:02,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb20df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:02, skipping insertion in model container [2022-11-02 20:27:02,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:02" (3/3) ... [2022-11-02 20:27:02,265 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--de4x5.ko-entry_point.cil.out.i [2022-11-02 20:27:02,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:27:02,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:27:02,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:27:02,477 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;@1f8cefd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:27:02,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:27:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) [2022-11-02 20:27:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-02 20:27:02,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:02,529 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:02,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:02,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1090600094, now seen corresponding path program 1 times [2022-11-02 20:27:02,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:02,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93884604] [2022-11-02 20:27:02,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:27:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:27:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:27:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:27:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:27:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 20:27:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:27:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:27:03,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:03,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93884604] [2022-11-02 20:27:03,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93884604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:03,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:03,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:27:03,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197354012] [2022-11-02 20:27:03,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:03,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:27:03,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:27:03,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:27:03,985 INFO L87 Difference]: Start difference. First operand has 3444 states, 2469 states have (on average 1.385176184690158) internal successors, (3420), 2531 states have internal predecessors, (3420), 854 states have call successors, (854), 136 states have call predecessors, (854), 135 states have return successors, (846), 835 states have call predecessors, (846), 846 states have call successors, (846) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:27:06,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:21,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:21,165 INFO L93 Difference]: Finished difference Result 7373 states and 11202 transitions. [2022-11-02 20:27:21,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:27:21,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-11-02 20:27:21,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:21,248 INFO L225 Difference]: With dead ends: 7373 [2022-11-02 20:27:21,248 INFO L226 Difference]: Without dead ends: 3913 [2022-11-02 20:27:21,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:21,294 INFO L413 NwaCegarLoop]: 4149 mSDtfsCounter, 3574 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 3904 mSolverCounterSat, 2780 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 6590 SdHoareTripleChecker+Invalid, 6685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2780 IncrementalHoareTripleChecker+Valid, 3904 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:21,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 6590 Invalid, 6685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2780 Valid, 3904 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2022-11-02 20:27:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-11-02 20:27:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3375. [2022-11-02 20:27:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2410 states have (on average 1.3817427385892116) internal successors, (3330), 2449 states have internal predecessors, (3330), 830 states have call successors, (830), 135 states have call predecessors, (830), 134 states have return successors, (829), 818 states have call predecessors, (829), 829 states have call successors, (829) [2022-11-02 20:27:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4989 transitions. [2022-11-02 20:27:21,679 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4989 transitions. Word has length 126 [2022-11-02 20:27:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:21,680 INFO L495 AbstractCegarLoop]: Abstraction has 3375 states and 4989 transitions. [2022-11-02 20:27:21,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:27:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4989 transitions. [2022-11-02 20:27:21,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-02 20:27:21,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:21,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:27:21,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:27:21,700 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:21,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1978075498, now seen corresponding path program 1 times [2022-11-02 20:27:21,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:21,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451136527] [2022-11-02 20:27:21,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:27:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:27:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:27:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:27:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:27:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:27:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:27:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:27:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 20:27:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:27:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:27:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:27:22,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:27:22,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451136527] [2022-11-02 20:27:22,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451136527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:27:22,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:27:22,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:27:22,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175898049] [2022-11-02 20:27:22,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:27:22,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:27:22,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:27:22,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:27:22,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:27:22,496 INFO L87 Difference]: Start difference. First operand 3375 states and 4989 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:27:24,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:26,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:27:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:27:58,632 INFO L93 Difference]: Finished difference Result 10892 states and 16259 transitions. [2022-11-02 20:27:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:27:58,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 126 [2022-11-02 20:27:58,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:27:58,713 INFO L225 Difference]: With dead ends: 10892 [2022-11-02 20:27:58,713 INFO L226 Difference]: Without dead ends: 7537 [2022-11-02 20:27:58,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:27:58,745 INFO L413 NwaCegarLoop]: 4867 mSDtfsCounter, 10333 mSDsluCounter, 6919 mSDsCounter, 0 mSdLazyCounter, 9805 mSolverCounterSat, 6118 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10671 SdHoareTripleChecker+Valid, 11786 SdHoareTripleChecker+Invalid, 15925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6118 IncrementalHoareTripleChecker+Valid, 9805 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:27:58,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10671 Valid, 11786 Invalid, 15925 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6118 Valid, 9805 Invalid, 2 Unknown, 0 Unchecked, 35.2s Time] [2022-11-02 20:27:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2022-11-02 20:27:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 6460. [2022-11-02 20:27:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6460 states, 4622 states have (on average 1.3823020337516227) internal successors, (6389), 4699 states have internal predecessors, (6389), 1578 states have call successors, (1578), 260 states have call predecessors, (1578), 259 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2022-11-02 20:27:59,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6460 states to 6460 states and 9544 transitions. [2022-11-02 20:27:59,225 INFO L78 Accepts]: Start accepts. Automaton has 6460 states and 9544 transitions. Word has length 126 [2022-11-02 20:27:59,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:27:59,227 INFO L495 AbstractCegarLoop]: Abstraction has 6460 states and 9544 transitions. [2022-11-02 20:27:59,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:27:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 6460 states and 9544 transitions. [2022-11-02 20:27:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-02 20:27:59,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:27:59,239 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:27:59,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:27:59,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:27:59,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:27:59,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1016440010, now seen corresponding path program 1 times [2022-11-02 20:27:59,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:27:59,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217971438] [2022-11-02 20:27:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:27:59,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:27:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:28:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:28:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:28:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:28:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:28:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:28:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:28:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 20:28:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-02 20:28:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:28:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:28:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:28:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:28:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-02 20:28:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:28:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-02 20:28:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-02 20:28:00,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:00,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217971438] [2022-11-02 20:28:00,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217971438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:00,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:00,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:28:00,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694929622] [2022-11-02 20:28:00,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:28:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:28:00,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:28:00,493 INFO L87 Difference]: Start difference. First operand 6460 states and 9544 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:28:02,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:28:04,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:28:06,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:29:00,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:00,098 INFO L93 Difference]: Finished difference Result 22449 states and 34346 transitions. [2022-11-02 20:29:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:29:00,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 171 [2022-11-02 20:29:00,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:00,270 INFO L225 Difference]: With dead ends: 22449 [2022-11-02 20:29:00,270 INFO L226 Difference]: Without dead ends: 16009 [2022-11-02 20:29:00,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:29:00,333 INFO L413 NwaCegarLoop]: 4405 mSDtfsCounter, 15650 mSDsluCounter, 11884 mSDsCounter, 0 mSdLazyCounter, 21322 mSolverCounterSat, 10660 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16074 SdHoareTripleChecker+Valid, 16289 SdHoareTripleChecker+Invalid, 31985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10660 IncrementalHoareTripleChecker+Valid, 21322 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:00,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16074 Valid, 16289 Invalid, 31985 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10660 Valid, 21322 Invalid, 3 Unknown, 0 Unchecked, 57.6s Time] [2022-11-02 20:29:00,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16009 states. [2022-11-02 20:29:01,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16009 to 13933. [2022-11-02 20:29:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13933 states, 10029 states have (on average 1.35995612723103) internal successors, (13639), 9981 states have internal predecessors, (13639), 3244 states have call successors, (3244), 520 states have call predecessors, (3244), 659 states have return successors, (4139), 3531 states have call predecessors, (4139), 3243 states have call successors, (4139) [2022-11-02 20:29:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13933 states to 13933 states and 21022 transitions. [2022-11-02 20:29:01,665 INFO L78 Accepts]: Start accepts. Automaton has 13933 states and 21022 transitions. Word has length 171 [2022-11-02 20:29:01,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:01,666 INFO L495 AbstractCegarLoop]: Abstraction has 13933 states and 21022 transitions. [2022-11-02 20:29:01,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 4 states have internal predecessors, (75), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:29:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13933 states and 21022 transitions. [2022-11-02 20:29:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-02 20:29:01,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:01,674 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-02 20:29:01,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:29:01,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:01,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:01,675 INFO L85 PathProgramCache]: Analyzing trace with hash 302587599, now seen corresponding path program 1 times [2022-11-02 20:29:01,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:01,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605917814] [2022-11-02 20:29:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:29:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:29:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:29:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:29:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:29:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:29:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:29:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:29:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:29:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-02 20:29:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:29:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:29:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:29:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-02 20:29:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:29:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:29:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:29:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:29:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,612 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-02 20:29:02,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:02,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605917814] [2022-11-02 20:29:02,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605917814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:02,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:02,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:29:02,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791706490] [2022-11-02 20:29:02,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:02,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:29:02,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:29:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:29:02,616 INFO L87 Difference]: Start difference. First operand 13933 states and 21022 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:29:04,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:29:06,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []