./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.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_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/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_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/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_894ca816-03d6-4e7b-bf75-32a063e4a547/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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- 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 20:34:04,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:04,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:04,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:04,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:04,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:04,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:04,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:04,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:04,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:04,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:04,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:04,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:04,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:04,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:04,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:04,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:04,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:04,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:04,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:04,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:04,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:04,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:04,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:04,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:04,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:04,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:04,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:04,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:04,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:04,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:04,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:05,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:05,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:05,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:05,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:05,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:05,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:05,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:05,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:05,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:05,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:34:05,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:05,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:05,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:05,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:05,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:34:05,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:34:05,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:05,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:05,060 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:05,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:05,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:05,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:05,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:34:05,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:34:05,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:34:05,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:05,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:05,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:34:05,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:05,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:05,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:34:05,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:05,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:05,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:34:05,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:34:05,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:05,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:34:05,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:34:05,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:34:05,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:34:05,069 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_894ca816-03d6-4e7b-bf75-32a063e4a547/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-02 20:34:05,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:34:05,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:34:05,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:34:05,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:34:05,456 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:34:05,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:34:05,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/90476f349/e82d5cf69012465ca914337893e353d6/FLAG567489ca0 [2022-11-02 20:34:06,496 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:34:06,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:34:06,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/90476f349/e82d5cf69012465ca914337893e353d6/FLAG567489ca0 [2022-11-02 20:34:06,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/90476f349/e82d5cf69012465ca914337893e353d6 [2022-11-02 20:34:06,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:34:06,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:34:06,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:06,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:34:06,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:34:06,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:06" (1/1) ... [2022-11-02 20:34:06,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6729430e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:06, skipping insertion in model container [2022-11-02 20:34:06,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:34:06" (1/1) ... [2022-11-02 20:34:06,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:34:07,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:34:09,129 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_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-02 20:34:09,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:09,214 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:34:09,611 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_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-02 20:34:09,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:34:09,903 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:34:09,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09 WrapperNode [2022-11-02 20:34:09,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:34:09,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:09,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:34:09,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:34:09,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,274 INFO L138 Inliner]: procedures = 200, calls = 1489, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3293 [2022-11-02 20:34:10,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:34:10,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:34:10,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:34:10,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:34:10,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:34:10,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:34:10,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:34:10,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:34:10,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (1/1) ... [2022-11-02 20:34:10,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:10,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:34:10,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:34:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:34:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:34:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:34:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:34:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:34:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:34:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:34:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:34:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:34:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:34:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-02 20:34:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-02 20:34:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:34:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:34:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:34:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:34:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-02 20:34:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-02 20:34:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:34:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:34:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-02 20:34:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-02 20:34:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:34:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:34:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:34:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:34:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:34:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:34:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:34:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:34:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 20:34:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 20:34:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-02 20:34:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-02 20:34:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:34:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:34:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-02 20:34:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-02 20:34:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:34:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:34:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:34:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:34:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:34:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:34:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:34:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:34:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-02 20:34:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-02 20:34:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:34:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:34:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-02 20:34:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-02 20:34:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:34:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:34:10,749 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:34:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:34:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-02 20:34:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-02 20:34:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:34:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:34:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:34:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:34:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:34:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:34:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:34:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:34:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:34:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:34:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:34:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-02 20:34:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-02 20:34:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:34:10,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:34:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-02 20:34:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-02 20:34:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:34:10,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:34:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:34:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:34:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:34:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:34:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:34:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-02 20:34:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-02 20:34:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:34:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:34:10,759 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:34:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:34:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-02 20:34:10,760 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-02 20:34:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:34:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:34:10,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:34:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-02 20:34:10,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-02 20:34:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-02 20:34:10,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-02 20:34:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:34:10,764 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:34:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:34:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:34:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-02 20:34:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-02 20:34:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-02 20:34:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-02 20:34:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:34:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:34:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:34:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:34:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:34:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:34:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:34:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:34:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-02 20:34:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-02 20:34:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:34:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-02 20:34:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-02 20:34:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-02 20:34:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-02 20:34:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-02 20:34:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-02 20:34:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 20:34:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 20:34:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:34:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:34:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:34:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:34:11,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:34:11,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:34:12,708 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,717 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,729 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,730 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,733 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,734 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:12,747 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:34:15,197 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-11-02 20:34:15,197 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-11-02 20:34:15,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2022-11-02 20:34:15,199 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-02 20:34:15,199 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-02 20:34:15,199 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2022-11-02 20:34:15,199 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2022-11-02 20:34:15,282 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:34:15,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:34:15,300 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:34:15,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:15 BoogieIcfgContainer [2022-11-02 20:34:15,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:34:15,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:34:15,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:34:15,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:34:15,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:34:06" (1/3) ... [2022-11-02 20:34:15,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72adff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:15, skipping insertion in model container [2022-11-02 20:34:15,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:34:09" (2/3) ... [2022-11-02 20:34:15,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72adff11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:34:15, skipping insertion in model container [2022-11-02 20:34:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:15" (3/3) ... [2022-11-02 20:34:15,315 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:34:15,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:34:15,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:34:15,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:34:15,469 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;@763bb398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:34:15,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:34:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-02 20:34:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 20:34:15,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:15,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:15,490 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:15,496 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2022-11-02 20:34:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:15,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106423223] [2022-11-02 20:34:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:34:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-02 20:34:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:16,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:16,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:16,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106423223] [2022-11-02 20:34:16,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106423223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:16,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:16,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:34:16,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644365774] [2022-11-02 20:34:16,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:16,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:34:16,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:16,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:34:16,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:34:16,218 INFO L87 Difference]: Start difference. First operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:34:16,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:16,498 INFO L93 Difference]: Finished difference Result 2123 states and 2971 transitions. [2022-11-02 20:34:16,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:34:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-02 20:34:16,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:16,529 INFO L225 Difference]: With dead ends: 2123 [2022-11-02 20:34:16,529 INFO L226 Difference]: Without dead ends: 1060 [2022-11-02 20:34:16,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:34:16,546 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:16,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2948 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:34:16,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-02 20:34:16,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1059. [2022-11-02 20:34:16,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 743 states have (on average 1.2866756393001346) internal successors, (956), 749 states have internal predecessors, (956), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-02 20:34:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1474 transitions. [2022-11-02 20:34:16,708 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1474 transitions. Word has length 21 [2022-11-02 20:34:16,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:16,708 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1474 transitions. [2022-11-02 20:34:16,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:34:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1474 transitions. [2022-11-02 20:34:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:34:16,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:16,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:16,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:34:16,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:16,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:16,712 INFO L85 PathProgramCache]: Analyzing trace with hash 172351718, now seen corresponding path program 1 times [2022-11-02 20:34:16,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:16,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073379594] [2022-11-02 20:34:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:16,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:34:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:34:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:17,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:17,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073379594] [2022-11-02 20:34:17,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073379594] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:17,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122550063] [2022-11-02 20:34:17,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:17,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:17,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:17,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:34:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:17,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:34:17,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:34:17,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:34:17,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122550063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:17,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:34:17,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-02 20:34:17,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014756241] [2022-11-02 20:34:17,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:17,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:34:17,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:17,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:34:17,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:17,779 INFO L87 Difference]: Start difference. First operand 1059 states and 1474 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:34:17,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:17,936 INFO L93 Difference]: Finished difference Result 3149 states and 4388 transitions. [2022-11-02 20:34:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:34:17,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-02 20:34:17,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:17,951 INFO L225 Difference]: With dead ends: 3149 [2022-11-02 20:34:17,951 INFO L226 Difference]: Without dead ends: 2098 [2022-11-02 20:34:17,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:17,958 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 1448 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:17,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 3425 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:34:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2022-11-02 20:34:18,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2095. [2022-11-02 20:34:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 1468 states have (on average 1.284741144414169) internal successors, (1886), 1479 states have internal predecessors, (1886), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-02 20:34:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2916 transitions. [2022-11-02 20:34:18,105 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2916 transitions. Word has length 23 [2022-11-02 20:34:18,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:18,106 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2916 transitions. [2022-11-02 20:34:18,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:34:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2916 transitions. [2022-11-02 20:34:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-02 20:34:18,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:18,110 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:18,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:18,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:18,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1037625081, now seen corresponding path program 1 times [2022-11-02 20:34:18,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:18,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125043978] [2022-11-02 20:34:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:18,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:34:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:34:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:34:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:18,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:18,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125043978] [2022-11-02 20:34:18,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125043978] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:18,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953517527] [2022-11-02 20:34:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:18,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:18,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:18,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:18,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:34:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:19,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:34:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:19,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:19,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953517527] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:34:19,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:34:19,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-02 20:34:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724623689] [2022-11-02 20:34:19,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:19,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:34:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:34:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:19,566 INFO L87 Difference]: Start difference. First operand 2095 states and 2916 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:34:19,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:19,757 INFO L93 Difference]: Finished difference Result 4190 states and 5834 transitions. [2022-11-02 20:34:19,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:34:19,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2022-11-02 20:34:19,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:19,772 INFO L225 Difference]: With dead ends: 4190 [2022-11-02 20:34:19,772 INFO L226 Difference]: Without dead ends: 2101 [2022-11-02 20:34:19,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:19,781 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 6 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:19,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:34:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2022-11-02 20:34:19,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2101. [2022-11-02 20:34:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 1474 states have (on average 1.2835820895522387) internal successors, (1892), 1485 states have internal predecessors, (1892), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-02 20:34:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2922 transitions. [2022-11-02 20:34:19,963 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2922 transitions. Word has length 43 [2022-11-02 20:34:19,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:19,964 INFO L495 AbstractCegarLoop]: Abstraction has 2101 states and 2922 transitions. [2022-11-02 20:34:19,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:34:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2922 transitions. [2022-11-02 20:34:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-02 20:34:19,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:19,968 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:20,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:20,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:20,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:20,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:20,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2025144539, now seen corresponding path program 2 times [2022-11-02 20:34:20,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:20,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641590585] [2022-11-02 20:34:20,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:20,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:34:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:34:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:34:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-02 20:34:20,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:20,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641590585] [2022-11-02 20:34:20,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641590585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:20,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:20,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:34:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479918479] [2022-11-02 20:34:20,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:20,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:34:20,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:20,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:34:20,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:20,513 INFO L87 Difference]: Start difference. First operand 2101 states and 2922 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:34:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:21,656 INFO L93 Difference]: Finished difference Result 6065 states and 8726 transitions. [2022-11-02 20:34:21,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:34:21,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-02 20:34:21,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:21,685 INFO L225 Difference]: With dead ends: 6065 [2022-11-02 20:34:21,685 INFO L226 Difference]: Without dead ends: 3983 [2022-11-02 20:34:21,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:21,700 INFO L413 NwaCegarLoop]: 2800 mSDtfsCounter, 2190 mSDsluCounter, 6447 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9247 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:21,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 9247 Invalid, 599 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [583 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:34:21,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2022-11-02 20:34:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 2035. [2022-11-02 20:34:21,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1433 states have (on average 1.2840195394277738) internal successors, (1840), 1443 states have internal predecessors, (1840), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-02 20:34:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2820 transitions. [2022-11-02 20:34:21,972 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2820 transitions. Word has length 49 [2022-11-02 20:34:21,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:21,973 INFO L495 AbstractCegarLoop]: Abstraction has 2035 states and 2820 transitions. [2022-11-02 20:34:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:34:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2820 transitions. [2022-11-02 20:34:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:34:21,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:21,981 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:21,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:34:21,981 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:21,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:21,982 INFO L85 PathProgramCache]: Analyzing trace with hash -252131403, now seen corresponding path program 1 times [2022-11-02 20:34:21,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:21,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016013004] [2022-11-02 20:34:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:21,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:34:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:34:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:34:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:22,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:22,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016013004] [2022-11-02 20:34:22,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016013004] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:22,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234530409] [2022-11-02 20:34:22,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:22,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:22,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:22,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:22,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:34:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:22,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 1145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:34:22,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:23,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:23,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234530409] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:34:23,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:34:23,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-02 20:34:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258504752] [2022-11-02 20:34:23,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:23,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-02 20:34:23,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:23,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:34:23,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:34:23,130 INFO L87 Difference]: Start difference. First operand 2035 states and 2820 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:34:23,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:23,410 INFO L93 Difference]: Finished difference Result 4070 states and 5645 transitions. [2022-11-02 20:34:23,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:34:23,411 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2022-11-02 20:34:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:23,423 INFO L225 Difference]: With dead ends: 4070 [2022-11-02 20:34:23,424 INFO L226 Difference]: Without dead ends: 2047 [2022-11-02 20:34:23,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:34:23,431 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10 mSDsluCounter, 7340 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:23,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8810 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:34:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2022-11-02 20:34:23,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2022-11-02 20:34:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1445 states have (on average 1.2816608996539793) internal successors, (1852), 1455 states have internal predecessors, (1852), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-02 20:34:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2832 transitions. [2022-11-02 20:34:23,568 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2832 transitions. Word has length 51 [2022-11-02 20:34:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:23,570 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2832 transitions. [2022-11-02 20:34:23,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:34:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2832 transitions. [2022-11-02 20:34:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-02 20:34:23,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:23,573 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:23,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:23,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:23,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:23,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1812840541, now seen corresponding path program 2 times [2022-11-02 20:34:23,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:23,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530842775] [2022-11-02 20:34:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:34:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:34:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:34:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:24,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:24,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530842775] [2022-11-02 20:34:24,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530842775] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:24,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545796133] [2022-11-02 20:34:24,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:34:24,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:24,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:34:25,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:34:25,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:34:25,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:34:25,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-02 20:34:25,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:34:25,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545796133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:25,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:34:25,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2022-11-02 20:34:25,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7313307] [2022-11-02 20:34:25,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:25,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:34:25,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:25,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:34:25,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:34:25,324 INFO L87 Difference]: Start difference. First operand 2047 states and 2832 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:34:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:27,437 INFO L93 Difference]: Finished difference Result 3025 states and 4186 transitions. [2022-11-02 20:34:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:34:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 63 [2022-11-02 20:34:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:27,459 INFO L225 Difference]: With dead ends: 3025 [2022-11-02 20:34:27,459 INFO L226 Difference]: Without dead ends: 3022 [2022-11-02 20:34:27,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:34:27,463 INFO L413 NwaCegarLoop]: 2597 mSDtfsCounter, 3010 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 3491 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:27,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 3491 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:34:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2022-11-02 20:34:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3015. [2022-11-02 20:34:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 2127 states have (on average 1.2849083215796897) internal successors, (2733), 2140 states have internal predecessors, (2733), 722 states have call successors, (722), 166 states have call predecessors, (722), 165 states have return successors, (722), 721 states have call predecessors, (722), 720 states have call successors, (722) [2022-11-02 20:34:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4177 transitions. [2022-11-02 20:34:27,663 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4177 transitions. Word has length 63 [2022-11-02 20:34:27,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:27,663 INFO L495 AbstractCegarLoop]: Abstraction has 3015 states and 4177 transitions. [2022-11-02 20:34:27,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:34:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4177 transitions. [2022-11-02 20:34:27,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-02 20:34:27,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:27,666 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:27,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 20:34:27,893 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:27,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:27,893 INFO L85 PathProgramCache]: Analyzing trace with hash -683773550, now seen corresponding path program 1 times [2022-11-02 20:34:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739519178] [2022-11-02 20:34:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:34:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:34:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:34:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:34:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-02 20:34:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:28,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739519178] [2022-11-02 20:34:28,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739519178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:28,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:28,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:34:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166471603] [2022-11-02 20:34:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:28,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:34:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:34:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:28,237 INFO L87 Difference]: Start difference. First operand 3015 states and 4177 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:34:29,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:29,362 INFO L93 Difference]: Finished difference Result 6332 states and 8991 transitions. [2022-11-02 20:34:29,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:34:29,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2022-11-02 20:34:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:29,391 INFO L225 Difference]: With dead ends: 6332 [2022-11-02 20:34:29,392 INFO L226 Difference]: Without dead ends: 4315 [2022-11-02 20:34:29,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:29,402 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 2018 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:29,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 6729 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:34:29,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2022-11-02 20:34:29,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 3015. [2022-11-02 20:34:29,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3015 states, 2127 states have (on average 1.2844381758345087) internal successors, (2732), 2140 states have internal predecessors, (2732), 722 states have call successors, (722), 166 states have call predecessors, (722), 165 states have return successors, (722), 721 states have call predecessors, (722), 720 states have call successors, (722) [2022-11-02 20:34:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 4176 transitions. [2022-11-02 20:34:29,709 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 4176 transitions. Word has length 67 [2022-11-02 20:34:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:29,710 INFO L495 AbstractCegarLoop]: Abstraction has 3015 states and 4176 transitions. [2022-11-02 20:34:29,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:34:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 4176 transitions. [2022-11-02 20:34:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-02 20:34:29,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:29,716 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:29,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:34:29,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:29,717 INFO L85 PathProgramCache]: Analyzing trace with hash -2088815525, now seen corresponding path program 1 times [2022-11-02 20:34:29,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:29,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516542155] [2022-11-02 20:34:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:34:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:34:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:34:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:34:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:34:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:30,315 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:30,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:30,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516542155] [2022-11-02 20:34:30,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516542155] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:30,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047698351] [2022-11-02 20:34:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:30,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:30,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:30,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:34:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:31,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 1264 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:34:31,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:31,103 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:31,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:31,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047698351] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:34:31,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:34:31,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 26 [2022-11-02 20:34:31,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381007097] [2022-11-02 20:34:31,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:31,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-02 20:34:31,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:31,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-02 20:34:31,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:34:31,477 INFO L87 Difference]: Start difference. First operand 3015 states and 4176 transitions. Second operand has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:34:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:34,820 INFO L93 Difference]: Finished difference Result 6032 states and 8365 transitions. [2022-11-02 20:34:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:34:34,821 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 76 [2022-11-02 20:34:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:34,838 INFO L225 Difference]: With dead ends: 6032 [2022-11-02 20:34:34,838 INFO L226 Difference]: Without dead ends: 3041 [2022-11-02 20:34:34,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:34:34,850 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 283 mSDsluCounter, 3439 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 4869 SdHoareTripleChecker+Invalid, 2246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:34,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 4869 Invalid, 2246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:34:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2022-11-02 20:34:35,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 3041. [2022-11-02 20:34:35,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 2152 states have (on average 1.2811338289962826) internal successors, (2757), 2166 states have internal predecessors, (2757), 722 states have call successors, (722), 166 states have call predecessors, (722), 166 states have return successors, (723), 721 states have call predecessors, (723), 720 states have call successors, (723) [2022-11-02 20:34:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4202 transitions. [2022-11-02 20:34:35,115 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4202 transitions. Word has length 76 [2022-11-02 20:34:35,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:35,116 INFO L495 AbstractCegarLoop]: Abstraction has 3041 states and 4202 transitions. [2022-11-02 20:34:35,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:34:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4202 transitions. [2022-11-02 20:34:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-02 20:34:35,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:35,121 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:35,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:35,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:35,337 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:35,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:35,338 INFO L85 PathProgramCache]: Analyzing trace with hash 762091787, now seen corresponding path program 2 times [2022-11-02 20:34:35,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:35,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083154555] [2022-11-02 20:34:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:34:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:34:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:34:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:34:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:34:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:36,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083154555] [2022-11-02 20:34:36,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083154555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:36,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827054274] [2022-11-02 20:34:36,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:34:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:36,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:36,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:34:37,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:34:37,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:34:37,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-02 20:34:37,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-02 20:34:37,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:34:37,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827054274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:37,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:34:37,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [26] total 31 [2022-11-02 20:34:37,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800318358] [2022-11-02 20:34:37,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:37,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:34:37,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:34:37,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=618, Unknown=0, NotChecked=0, Total=930 [2022-11-02 20:34:37,905 INFO L87 Difference]: Start difference. First operand 3041 states and 4202 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:34:44,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:44,963 INFO L93 Difference]: Finished difference Result 9020 states and 12805 transitions. [2022-11-02 20:34:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:34:44,964 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 100 [2022-11-02 20:34:44,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:45,027 INFO L225 Difference]: With dead ends: 9020 [2022-11-02 20:34:45,027 INFO L226 Difference]: Without dead ends: 6034 [2022-11-02 20:34:45,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2022-11-02 20:34:45,042 INFO L413 NwaCegarLoop]: 3463 mSDtfsCounter, 3145 mSDsluCounter, 12933 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 16396 SdHoareTripleChecker+Invalid, 3480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 919 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:45,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 16396 Invalid, 3480 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [919 Valid, 2561 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-02 20:34:45,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6034 states. [2022-11-02 20:34:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6034 to 4004. [2022-11-02 20:34:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4004 states, 2829 states have (on average 1.2813715093672675) internal successors, (3625), 2848 states have internal predecessors, (3625), 953 states have call successors, (953), 221 states have call predecessors, (953), 221 states have return successors, (953), 951 states have call predecessors, (953), 951 states have call successors, (953) [2022-11-02 20:34:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 5531 transitions. [2022-11-02 20:34:45,697 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 5531 transitions. Word has length 100 [2022-11-02 20:34:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:45,699 INFO L495 AbstractCegarLoop]: Abstraction has 4004 states and 5531 transitions. [2022-11-02 20:34:45,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:34:45,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 5531 transitions. [2022-11-02 20:34:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-02 20:34:45,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:45,710 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:45,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:45,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:45,933 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:45,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash -936469693, now seen corresponding path program 1 times [2022-11-02 20:34:45,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:45,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823992555] [2022-11-02 20:34:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:45,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:34:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:34:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:34:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:34:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:34:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:47,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:47,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823992555] [2022-11-02 20:34:47,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823992555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:47,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678692149] [2022-11-02 20:34:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:47,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:47,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:47,249 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:47,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:34:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:48,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-02 20:34:48,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:48,243 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:48,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:34:49,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678692149] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:34:49,106 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:34:49,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 36 [2022-11-02 20:34:49,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339287392] [2022-11-02 20:34:49,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:49,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-02 20:34:49,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:49,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-02 20:34:49,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2022-11-02 20:34:49,110 INFO L87 Difference]: Start difference. First operand 4004 states and 5531 transitions. Second operand has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:34:54,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:54,081 INFO L93 Difference]: Finished difference Result 7980 states and 11043 transitions. [2022-11-02 20:34:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-02 20:34:54,082 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 102 [2022-11-02 20:34:54,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:54,099 INFO L225 Difference]: With dead ends: 7980 [2022-11-02 20:34:54,099 INFO L226 Difference]: Without dead ends: 4024 [2022-11-02 20:34:54,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 189 SyntacticMatches, 14 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2022-11-02 20:34:54,113 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 293 mSDsluCounter, 6191 mSDsCounter, 0 mSdLazyCounter, 3645 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 7621 SdHoareTripleChecker+Invalid, 3909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 3645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:54,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 7621 Invalid, 3909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 3645 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-02 20:34:54,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2022-11-02 20:34:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 4024. [2022-11-02 20:34:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4024 states, 2849 states have (on average 1.2793962793962794) internal successors, (3645), 2868 states have internal predecessors, (3645), 953 states have call successors, (953), 221 states have call predecessors, (953), 221 states have return successors, (953), 951 states have call predecessors, (953), 951 states have call successors, (953) [2022-11-02 20:34:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5551 transitions. [2022-11-02 20:34:54,554 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5551 transitions. Word has length 102 [2022-11-02 20:34:54,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:54,554 INFO L495 AbstractCegarLoop]: Abstraction has 4024 states and 5551 transitions. [2022-11-02 20:34:54,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:34:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5551 transitions. [2022-11-02 20:34:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-02 20:34:54,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:54,559 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:34:54,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:54,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:34:54,773 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:54,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:54,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1360267477, now seen corresponding path program 2 times [2022-11-02 20:34:54,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:54,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512158871] [2022-11-02 20:34:54,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:54,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:34:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:34:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:34:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 20:34:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:34:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:34:55,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:55,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512158871] [2022-11-02 20:34:55,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512158871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:55,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:55,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:34:55,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62447776] [2022-11-02 20:34:55,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:55,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:34:55,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:55,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:34:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:55,683 INFO L87 Difference]: Start difference. First operand 4024 states and 5551 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:35:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:03,783 INFO L93 Difference]: Finished difference Result 8067 states and 11161 transitions. [2022-11-02 20:35:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:35:03,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 122 [2022-11-02 20:35:03,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:03,811 INFO L225 Difference]: With dead ends: 8067 [2022-11-02 20:35:03,811 INFO L226 Difference]: Without dead ends: 6044 [2022-11-02 20:35:03,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:03,823 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 2901 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 4734 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 5207 SdHoareTripleChecker+Invalid, 5587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 4734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:03,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 5207 Invalid, 5587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [853 Valid, 4734 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-02 20:35:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6044 states. [2022-11-02 20:35:04,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6044 to 5066. [2022-11-02 20:35:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5066 states, 3579 states have (on average 1.2805252863928471) internal successors, (4583), 3604 states have internal predecessors, (4583), 1209 states have call successors, (1209), 276 states have call predecessors, (1209), 277 states have return successors, (1210), 1207 states have call predecessors, (1210), 1207 states have call successors, (1210) [2022-11-02 20:35:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5066 states to 5066 states and 7002 transitions. [2022-11-02 20:35:04,674 INFO L78 Accepts]: Start accepts. Automaton has 5066 states and 7002 transitions. Word has length 122 [2022-11-02 20:35:04,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:04,675 INFO L495 AbstractCegarLoop]: Abstraction has 5066 states and 7002 transitions. [2022-11-02 20:35:04,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:35:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5066 states and 7002 transitions. [2022-11-02 20:35:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-02 20:35:04,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:04,682 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-02 20:35:04,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:35:04,682 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash -226816085, now seen corresponding path program 1 times [2022-11-02 20:35:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:04,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189120177] [2022-11-02 20:35:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:35:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:35:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:35:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:35:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:35:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-02 20:35:05,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:05,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189120177] [2022-11-02 20:35:05,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189120177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:05,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:05,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850244907] [2022-11-02 20:35:05,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:05,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:05,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:05,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:05,189 INFO L87 Difference]: Start difference. First operand 5066 states and 7002 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 20:35:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:07,708 INFO L93 Difference]: Finished difference Result 16250 states and 23478 transitions. [2022-11-02 20:35:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:35:07,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 132 [2022-11-02 20:35:07,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:07,758 INFO L225 Difference]: With dead ends: 16250 [2022-11-02 20:35:07,758 INFO L226 Difference]: Without dead ends: 11259 [2022-11-02 20:35:07,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:35:07,780 INFO L413 NwaCegarLoop]: 2536 mSDtfsCounter, 1841 mSDsluCounter, 5597 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 8133 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:07,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 8133 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:35:07,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11259 states. [2022-11-02 20:35:09,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11259 to 11196. [2022-11-02 20:35:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11196 states, 7899 states have (on average 1.3177617419926573) internal successors, (10409), 7934 states have internal predecessors, (10409), 3019 states have call successors, (3019), 276 states have call predecessors, (3019), 277 states have return successors, (3020), 3017 states have call predecessors, (3020), 3017 states have call successors, (3020) [2022-11-02 20:35:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11196 states to 11196 states and 16448 transitions. [2022-11-02 20:35:09,127 INFO L78 Accepts]: Start accepts. Automaton has 11196 states and 16448 transitions. Word has length 132 [2022-11-02 20:35:09,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:09,128 INFO L495 AbstractCegarLoop]: Abstraction has 11196 states and 16448 transitions. [2022-11-02 20:35:09,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 20:35:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 11196 states and 16448 transitions. [2022-11-02 20:35:09,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-02 20:35:09,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:09,135 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:35:09,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:35:09,135 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:09,136 INFO L85 PathProgramCache]: Analyzing trace with hash 73355820, now seen corresponding path program 1 times [2022-11-02 20:35:09,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:09,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400705622] [2022-11-02 20:35:09,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:09,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:35:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:35:09,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:09,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400705622] [2022-11-02 20:35:09,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400705622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:09,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:09,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:09,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024456646] [2022-11-02 20:35:09,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:09,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:09,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:09,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:09,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:09,685 INFO L87 Difference]: Start difference. First operand 11196 states and 16448 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:12,652 INFO L93 Difference]: Finished difference Result 16370 states and 24400 transitions. [2022-11-02 20:35:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:35:12,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2022-11-02 20:35:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:12,734 INFO L225 Difference]: With dead ends: 16370 [2022-11-02 20:35:12,734 INFO L226 Difference]: Without dead ends: 16362 [2022-11-02 20:35:12,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:12,742 INFO L413 NwaCegarLoop]: 2555 mSDtfsCounter, 1293 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 5995 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:12,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 5995 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:35:12,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16362 states. [2022-11-02 20:35:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16362 to 11202. [2022-11-02 20:35:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11202 states, 7903 states have (on average 1.3176009110464382) internal successors, (10413), 7938 states have internal predecessors, (10413), 3021 states have call successors, (3021), 276 states have call predecessors, (3021), 277 states have return successors, (3022), 3019 states have call predecessors, (3022), 3019 states have call successors, (3022) [2022-11-02 20:35:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 16456 transitions. [2022-11-02 20:35:14,219 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 16456 transitions. Word has length 130 [2022-11-02 20:35:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:14,219 INFO L495 AbstractCegarLoop]: Abstraction has 11202 states and 16456 transitions. [2022-11-02 20:35:14,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 16456 transitions. [2022-11-02 20:35:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-02 20:35:14,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:14,228 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-02 20:35:14,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:35:14,228 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:14,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:14,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1802794400, now seen corresponding path program 1 times [2022-11-02 20:35:14,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:14,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704654311] [2022-11-02 20:35:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:35:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:35:14,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:14,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704654311] [2022-11-02 20:35:14,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704654311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:14,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347123887] [2022-11-02 20:35:14,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:14,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:14,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:14,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:14,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:35:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:15,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:35:15,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:35:15,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:15,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347123887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:15,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:15,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-11-02 20:35:15,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444007379] [2022-11-02 20:35:15,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:15,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:15,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:15,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:15,737 INFO L87 Difference]: Start difference. First operand 11202 states and 16456 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:18,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:18,032 INFO L93 Difference]: Finished difference Result 22335 states and 32840 transitions. [2022-11-02 20:35:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:18,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 134 [2022-11-02 20:35:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:18,086 INFO L225 Difference]: With dead ends: 22335 [2022-11-02 20:35:18,086 INFO L226 Difference]: Without dead ends: 9982 [2022-11-02 20:35:18,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:18,134 INFO L413 NwaCegarLoop]: 1903 mSDtfsCounter, 1244 mSDsluCounter, 1895 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 3798 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:18,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 3798 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:35:18,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9982 states. [2022-11-02 20:35:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9982 to 9976. [2022-11-02 20:35:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9976 states, 7039 states have (on average 1.3111237391674955) internal successors, (9229), 7072 states have internal predecessors, (9229), 2659 states have call successors, (2659), 276 states have call predecessors, (2659), 277 states have return successors, (2660), 2657 states have call predecessors, (2660), 2657 states have call successors, (2660) [2022-11-02 20:35:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 14548 transitions. [2022-11-02 20:35:19,573 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 14548 transitions. Word has length 134 [2022-11-02 20:35:19,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:19,574 INFO L495 AbstractCegarLoop]: Abstraction has 9976 states and 14548 transitions. [2022-11-02 20:35:19,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:19,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 14548 transitions. [2022-11-02 20:35:19,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-02 20:35:19,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:19,585 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:19,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:19,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-02 20:35:19,809 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:19,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1518481568, now seen corresponding path program 1 times [2022-11-02 20:35:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:19,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785673674] [2022-11-02 20:35:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:19,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:35:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-02 20:35:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:35:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:35:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:35:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-02 20:35:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-11-02 20:35:20,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:20,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785673674] [2022-11-02 20:35:20,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785673674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:20,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:20,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:35:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825877035] [2022-11-02 20:35:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:20,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:35:20,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:35:20,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:35:20,247 INFO L87 Difference]: Start difference. First operand 9976 states and 14548 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-02 20:35:21,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:21,772 INFO L93 Difference]: Finished difference Result 19227 states and 28025 transitions. [2022-11-02 20:35:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:35:21,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 153 [2022-11-02 20:35:21,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:21,819 INFO L225 Difference]: With dead ends: 19227 [2022-11-02 20:35:21,820 INFO L226 Difference]: Without dead ends: 9314 [2022-11-02 20:35:21,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:21,855 INFO L413 NwaCegarLoop]: 1478 mSDtfsCounter, 13 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:21,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4413 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9314 states. [2022-11-02 20:35:23,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9314 to 9304. [2022-11-02 20:35:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 6565 states have (on average 1.3092155369383092) internal successors, (8595), 6597 states have internal predecessors, (8595), 2465 states have call successors, (2465), 272 states have call predecessors, (2465), 273 states have return successors, (2466), 2460 states have call predecessors, (2466), 2463 states have call successors, (2466) [2022-11-02 20:35:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 13526 transitions. [2022-11-02 20:35:23,200 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 13526 transitions. Word has length 153 [2022-11-02 20:35:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:23,201 INFO L495 AbstractCegarLoop]: Abstraction has 9304 states and 13526 transitions. [2022-11-02 20:35:23,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-02 20:35:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 13526 transitions. [2022-11-02 20:35:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-02 20:35:23,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:23,208 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-02 20:35:23,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 20:35:23,209 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:23,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2121096315, now seen corresponding path program 1 times [2022-11-02 20:35:23,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:23,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174943786] [2022-11-02 20:35:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:35:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:35:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:35:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:35:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-02 20:35:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:35:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-02 20:35:23,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:23,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174943786] [2022-11-02 20:35:23,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174943786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:23,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:23,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:35:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485673899] [2022-11-02 20:35:23,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:23,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:23,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:23,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:23,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:23,527 INFO L87 Difference]: Start difference. First operand 9304 states and 13526 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-02 20:35:25,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:25,651 INFO L93 Difference]: Finished difference Result 18497 states and 26914 transitions. [2022-11-02 20:35:25,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:25,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 150 [2022-11-02 20:35:25,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:25,705 INFO L225 Difference]: With dead ends: 18497 [2022-11-02 20:35:25,706 INFO L226 Difference]: Without dead ends: 9268 [2022-11-02 20:35:25,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:25,738 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 1423 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1423 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:25,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1423 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9268 states. [2022-11-02 20:35:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9268 to 9268. [2022-11-02 20:35:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9268 states, 6529 states have (on average 1.3054066472660437) internal successors, (8523), 6561 states have internal predecessors, (8523), 2465 states have call successors, (2465), 272 states have call predecessors, (2465), 273 states have return successors, (2466), 2460 states have call predecessors, (2466), 2463 states have call successors, (2466) [2022-11-02 20:35:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9268 states to 9268 states and 13454 transitions. [2022-11-02 20:35:27,436 INFO L78 Accepts]: Start accepts. Automaton has 9268 states and 13454 transitions. Word has length 150 [2022-11-02 20:35:27,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:27,437 INFO L495 AbstractCegarLoop]: Abstraction has 9268 states and 13454 transitions. [2022-11-02 20:35:27,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-02 20:35:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 9268 states and 13454 transitions. [2022-11-02 20:35:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-02 20:35:27,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:27,450 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-02 20:35:27,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 20:35:27,451 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1838241346, now seen corresponding path program 1 times [2022-11-02 20:35:27,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:27,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999015309] [2022-11-02 20:35:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:27,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:28,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:28,329 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:35:28,331 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:35:28,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:35:28,340 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:28,346 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:35:28,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:35:28 BoogieIcfgContainer [2022-11-02 20:35:28,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:35:28,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:28,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:28,623 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:28,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:34:15" (3/4) ... [2022-11-02 20:35:28,627 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:28,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:28,628 INFO L158 Benchmark]: Toolchain (without parser) took 81667.95ms. Allocated memory was 125.8MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 84.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 814.6MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,629 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:28,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2940.35ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 83.9MB in the beginning and 100.9MB in the end (delta: -16.9MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 367.87ms. Allocated memory is still 180.4MB. Free memory was 100.9MB in the beginning and 79.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,630 INFO L158 Benchmark]: Boogie Preprocessor took 357.30ms. Allocated memory is still 180.4MB. Free memory was 79.9MB in the beginning and 109.2MB in the end (delta: -29.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,631 INFO L158 Benchmark]: RCFGBuilder took 4669.66ms. Allocated memory was 180.4MB in the beginning and 270.5MB in the end (delta: 90.2MB). Free memory was 109.2MB in the beginning and 94.0MB in the end (delta: 15.2MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,631 INFO L158 Benchmark]: TraceAbstraction took 73314.62ms. Allocated memory was 270.5MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 94.0MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 679.7MB. Max. memory is 16.1GB. [2022-11-02 20:35:28,632 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 2.5GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:28,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2940.35ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 83.9MB in the beginning and 100.9MB in the end (delta: -16.9MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 367.87ms. Allocated memory is still 180.4MB. Free memory was 100.9MB in the beginning and 79.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 357.30ms. Allocated memory is still 180.4MB. Free memory was 79.9MB in the beginning and 109.2MB in the end (delta: -29.3MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4669.66ms. Allocated memory was 180.4MB in the beginning and 270.5MB in the end (delta: 90.2MB). Free memory was 109.2MB in the beginning and 94.0MB in the end (delta: 15.2MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * TraceAbstraction took 73314.62ms. Allocated memory was 270.5MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 94.0MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 679.7MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 2.5GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7949]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 7781, overapproximation of bitwiseOr at line 4779. Possible FailurePath: [L5238] static int fst_txq_low = 8; [L5239] static int fst_txq_high = 12; [L5240] static int fst_max_reads = 7; [L5241] static int fst_excluded_cards = 0; [L5242] static int fst_excluded_list[32U] ; [L5243-L5251] static struct pci_device_id const fst_pci_dev_id[8U] = { {5657U, 1024U, 4294967295U, 4294967295U, 0U, 0U, 1UL}, {5657U, 1088U, 4294967295U, 4294967295U, 0U, 0U, 2UL}, {5657U, 1552U, 4294967295U, 4294967295U, 0U, 0U, 3UL}, {5657U, 1568U, 4294967295U, 4294967295U, 0U, 0U, 4UL}, {5657U, 1600U, 4294967295U, 4294967295U, 0U, 0U, 5UL}, {5657U, 5648U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {5657U, 5650U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5252] struct pci_device_id const __mod_pci_device_table ; [L5257] static struct tasklet_struct fst_tx_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_tx_work_q, 0UL}; [L5258] static struct tasklet_struct fst_int_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_int_work_q, 0UL}; [L5259] static struct fst_card_info *fst_card_array[32U] ; [L5260] static spinlock_t fst_work_q_lock ; [L5261] static u64 fst_work_txq ; [L5262] static u64 fst_work_intq ; [L7341-L7342] static char *type_strings[7U] = { (char *)"no hardware", (char *)"FarSync T2P", (char *)"FarSync T4P", (char *)"FarSync T1U", (char *)"FarSync T2U", (char *)"FarSync T4U", (char *)"FarSync TE1"}; [L7394-L7427] static struct net_device_ops const fst_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & fst_open, & fst_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & fst_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & fst_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L7745-L7759] static struct pci_driver fst_driver = {{(struct list_head *)0, (struct list_head *)0}, "fst", (struct pci_device_id const *)(& fst_pci_dev_id), & fst_add_one, & fst_remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L7800] int LDV_IN_INTERRUPT ; [L7953] int ldv_module_refcounter = 1; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, type_strings={53:0}] [L7802] struct net_device *var_group1 ; [L7803] int res_fst_open_36 ; [L7804] int res_fst_close_37 ; [L7805] struct ifreq *var_group2 ; [L7806] int var_fst_ioctl_33_p2 ; [L7807] struct pci_dev *var_group3 ; [L7808] struct pci_device_id const *var_fst_add_one_42_p1 ; [L7809] int res_fst_add_one_42 ; [L7810] int var_fst_intr_27_p0 ; [L7811] void *var_fst_intr_27_p1 ; [L7812] int ldv_s_fst_ops_net_device_ops ; [L7813] int ldv_s_fst_driver_pci_driver ; [L7814] int tmp ; [L7815] int tmp___0 ; [L7816] int tmp___1 ; [L7819] ldv_s_fst_ops_net_device_ops = 0 [L7820] ldv_s_fst_driver_pci_driver = 0 [L7821] LDV_IN_INTERRUPT = 1 [L7822] FCALL ldv_initialize() [L7823] CALL, EXPR fst_init() [L7761] int i ; [L7762] struct lock_class_key __key ; [L7763] int tmp ; [L7765] i = 0 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=3, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=3, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=4, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=4, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=5, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=5, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=6, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=6, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=8, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=8, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=9, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=9, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=10, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=10, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=11, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=11, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=12, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=12, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=13, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=13, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=14, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=14, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=15, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=15, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=16, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=16, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=17, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=17, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=18, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=18, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=19, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=19, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=22, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=22, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=23, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=23, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=24, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=24, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=25, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=25, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=26, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=26, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=27, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=27, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=28, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=28, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=29, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=29, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=30, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=30, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=31, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=31, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND FALSE !(i <= 31) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7778] CALL spinlock_check(& fst_work_q_lock) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={50:0}, type_strings={53:0}] [L4600] return (& lock->ldv_6060.rlock); VAL [\result={50:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={50:0}, lock={50:0}, type_strings={53:0}] [L7778] RET spinlock_check(& fst_work_q_lock) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, spinlock_check(& fst_work_q_lock)={50:0}, type_strings={53:0}] [L7779-L7780] FCALL __raw_spin_lock_init(& fst_work_q_lock.ldv_6060.rlock, "&(&fst_work_q_lock)->rlock", & __key) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7781] CALL, EXPR __pci_register_driver(& fst_driver, & __this_module, "farsync") [L8074] return __VERIFIER_nondet_int(); [L7781] RET, EXPR __pci_register_driver(& fst_driver, & __this_module, "farsync") [L7781] tmp = __pci_register_driver(& fst_driver, & __this_module, "farsync") [L7783] return (tmp); [L7783] return (tmp); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, tmp=0, type_strings={53:0}] [L7823] RET, EXPR fst_init() [L7823] tmp = fst_init() [L7825] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, type_strings={53:0}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, tmp___1=-2, type_strings={53:0}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND TRUE tmp___0 == 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}] [L7855] COND TRUE ldv_s_fst_ops_net_device_ops == 0 [L7857] CALL, EXPR fst_open(var_group1) [L7167] int err ; [L7168] struct fst_port_info *port ; [L7169] struct hdlc_device *tmp ; [L7170] int tmp___0 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7173] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L5204] void *tmp ; [L5207] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5064] return ((void *)dev + 2560U); VAL [\result={4294967309:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L5207] RET, EXPR netdev_priv((struct net_device const *)dev) [L5207] tmp = netdev_priv((struct net_device const *)dev) [L5209] return ((struct hdlc_device *)tmp); VAL [\result={4294967309:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, tmp={4294967309:0}, type_strings={53:0}] [L7173] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, dev_to_hdlc(dev)={4294967309:0}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7173] tmp = dev_to_hdlc(dev) [L7174] EXPR tmp->priv [L7174] port = (struct fst_port_info *)tmp->priv [L7175] CALL, EXPR ldv_try_module_get_1(& __this_module) [L8027] int tmp ; [L8030] CALL, EXPR ldv_try_module_get(module) [L7965] int module_get_succeeded ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={-60:61}, module={-60:61}, type_strings={53:0}] [L7967] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L7969] CALL, EXPR ldv_undefined_int() [L8154] return __VERIFIER_nondet_int(); [L7969] RET, EXPR ldv_undefined_int() [L7969] module_get_succeeded = ldv_undefined_int() [L7971] COND TRUE module_get_succeeded == 1 [L7972] ldv_module_refcounter = ldv_module_refcounter + 1 [L7973] return (1); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-60:61}, module={-60:61}, module_get_succeeded=1, type_strings={53:0}] [L8030] RET, EXPR ldv_try_module_get(module) [L8030] tmp = ldv_try_module_get(module) [L8032] return (tmp); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-60:61}, module={-60:61}, tmp=1, type_strings={53:0}] [L7175] RET, EXPR ldv_try_module_get_1(& __this_module) [L7175] tmp___0 = ldv_try_module_get_1(& __this_module) [L7177] COND FALSE !(tmp___0 == 0) [L7181] EXPR port->mode VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, port->mode=4, tmp={4294967309:0}, tmp___0=1, type_strings={53:0}] [L7181] COND FALSE !(port->mode != 4) [L7195] CALL fst_openport(port) [L7102] int signals ; [L7103] int txq_length ; [L7104] unsigned int tmp ; [L7105] int tmp___0 ; [L7107] EXPR port->card [L7107] EXPR (port->card)->state VAL [(port->card)->state=62, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, port={4294967299:0}, port->card={4294967312:-39}, type_strings={53:0}] [L7107] COND FALSE !((port->card)->state == 4U) [L7195] RET fst_openport(port) [L7196] CALL netif_wake_queue(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5137] struct netdev_queue *tmp ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5140] CALL, EXPR netdev_get_tx_queue((struct net_device const *)dev, 0U) VAL [\old(index)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5058] EXPR dev->_tx [L5058] return ((struct netdev_queue *)dev->_tx + (unsigned long )index); [L5140] RET, EXPR netdev_get_tx_queue((struct net_device const *)dev, 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, netdev_get_tx_queue((struct net_device const *)dev, 0U)={4294967332:0}, type_strings={53:0}] [L5140] tmp = netdev_get_tx_queue((struct net_device const *)dev, 0U) [L5141] CALL netif_tx_wake_queue(tmp) [L5111] int tmp ; [L5112] int tmp___0 ; [L5115] CALL, EXPR netpoll_trap() [L8174] return __VERIFIER_nondet_int(); [L5115] RET, EXPR netpoll_trap() [L5115] tmp = netpoll_trap() [L5117] COND TRUE tmp != 0 [L5119] CALL netif_tx_start_queue(dev_queue) [L5105] FCALL clear_bit(0, (unsigned long volatile *)(& dev_queue->state)) [L5119] RET netif_tx_start_queue(dev_queue) [L5141] RET netif_tx_wake_queue(tmp) [L7196] RET netif_wake_queue(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, tmp={4294967309:0}, tmp___0=1, type_strings={53:0}] [L7198] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967309:-2560}, dev={4294967309:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, tmp={4294967309:0}, tmp___0=1, type_strings={53:0}] [L7857] RET, EXPR fst_open(var_group1) [L7857] res_fst_open_36 = fst_open(var_group1) [L7858] FCALL ldv_check_return_value(res_fst_open_36) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}, var_group1={4294967309:-2560}] [L7860] COND FALSE !(res_fst_open_36 < 0) [L7864] ldv_s_fst_ops_net_device_ops = ldv_s_fst_ops_net_device_ops + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}, var_group1={4294967309:-2560}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7837] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7840] COND FALSE !(tmp___0 == 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7843] COND FALSE !(tmp___0 == 3) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7846] COND TRUE tmp___0 == 4 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967309:-2560}] [L7893] COND TRUE ldv_s_fst_driver_pci_driver == 0 [L7895] CALL, EXPR fst_add_one(var_group3, var_fst_add_one_42_p1) [L7429] int no_of_cards_added ; [L7430] struct fst_card_info *card ; [L7431] int err ; [L7432] int i ; [L7433] bool __print_once ; [L7434] void *tmp ; [L7435] char *tmp___0 ; [L7436] void *tmp___1 ; [L7437] char *tmp___2 ; [L7438] void *tmp___3 ; [L7439] int tmp___4 ; [L7440] int tmp___5 ; [L7441] struct lock_class_key __key ; [L7442] struct net_device *dev ; [L7443] struct net_device *tmp___6 ; [L7444] hdlc_device *hdlc ; [L7445] int tmp___7 ; [L7446] struct hdlc_device *tmp___8 ; [L7447] int tmp___9 ; [L7449] no_of_cards_added = 0 [L7450] err = 0 VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, ent={4294967304:4294967336}, ent={4294967304:4294967336}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967329:4294967321}, pdev={4294967329:4294967321}, type_strings={53:0}] [L7451] COND TRUE ! __print_once [L7453] __print_once = (bool )1 [L7458] COND FALSE !(fst_excluded_cards != 0) VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, ent={4294967304:4294967336}, ent={4294967304:4294967336}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967329:4294967321}, pdev={4294967329:4294967321}, type_strings={53:0}] [L7480] CALL, EXPR kzalloc(1000UL, 208U) [L4776] void *tmp ; [L4779] CALL, EXPR kmalloc(size, flags | 32768U) [L4766] void *tmp___2 ; [L4769] CALL, EXPR __kmalloc(size, flags) [L8067] CALL, EXPR ldv_malloc(arg0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L8061] COND TRUE __VERIFIER_nondet_bool() [L8061] return 0; VAL [\old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, type_strings={53:0}] [L8067] RET, EXPR ldv_malloc(arg0) VAL [\old(arg0)=1000, \old(arg1)=4294967300, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, arg0=1000, arg1=4294967300, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_malloc(arg0)={0:0}, ldv_module_refcounter=2, type_strings={53:0}] [L8067] return ldv_malloc(arg0); [L4769] RET, EXPR __kmalloc(size, flags) [L4769] tmp___2 = __kmalloc(size, flags) [L4771] return (tmp___2); VAL [\old(flags)=4294967300, \old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, flags=4294967300, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, tmp___2={0:0}, type_strings={53:0}] [L4779] RET, EXPR kmalloc(size, flags | 32768U) [L4779] tmp = kmalloc(size, flags | 32768U) [L4781] return (tmp); VAL [\old(flags)=208, \old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, flags=208, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, tmp={0:0}, type_strings={53:0}] [L7480] RET, EXPR kzalloc(1000UL, 208U) [L7480] tmp = kzalloc(1000UL, 208U) [L7481] card = (struct fst_card_info *)tmp VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, card={0:0}, ent={4294967304:4294967336}, ent={4294967304:4294967336}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967329:4294967321}, pdev={4294967329:4294967321}, tmp={0:0}, type_strings={53:0}] [L7483] COND TRUE (unsigned long )card == (unsigned long )((struct fst_card_info *)0) [L7487] return (-12); [L7487] return (-12); VAL [\result=-12, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, card={0:0}, ent={4294967304:4294967336}, ent={4294967304:4294967336}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967329:4294967321}, pdev={4294967329:4294967321}, tmp={0:0}, type_strings={53:0}] [L7895] RET, EXPR fst_add_one(var_group3, var_fst_add_one_42_p1) [L7895] res_fst_add_one_42 = fst_add_one(var_group3, var_fst_add_one_42_p1) [L7896] FCALL ldv_check_return_value(res_fst_add_one_42) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_add_one_42=-12, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_fst_add_one_42_p1={4294967304:4294967336}, var_group1={4294967309:-2560}, var_group3={4294967329:4294967321}] [L7898] COND TRUE res_fst_add_one_42 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_add_one_42=-12, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_fst_add_one_42_p1={4294967304:4294967336}, var_group1={4294967309:-2560}, var_group3={4294967329:4294967321}] [L7937] CALL fst_cleanup_module() [L7791] FCALL pci_unregister_driver(& fst_driver) [L7937] RET fst_cleanup_module() [L7941] CALL ldv_check_final_state() [L8017] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L8019] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L7949] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 57 procedures, 1064 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.9s, OverallIterations: 17, TraceHistogramMax: 32, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 41.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22656 SdHoareTripleChecker+Valid, 25.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21119 mSDsluCounter, 96952 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65072 mSDsCounter, 4652 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14184 IncrementalHoareTripleChecker+Invalid, 18836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4652 mSolverCounterUnsat, 31880 mSDtfsCounter, 14184 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 987 SyntacticMatches, 15 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11202occurred in iteration=13, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 11506 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 2166 NumberOfCodeBlocks, 2102 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2252 ConstructedInterpolants, 0 QuantifiedInterpolants, 4145 SizeOfPredicates, 17 NumberOfNonLiveVariables, 9763 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 28 InterpolantComputations, 12 PerfectInterpolantSequences, 7904/10294 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:35:28,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/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_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/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 f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- 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 20:35:31,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:31,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:31,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:31,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:31,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:31,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:31,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:31,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:31,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:31,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:31,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:31,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:31,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:31,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:31,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:31,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:31,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:31,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:31,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:31,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:31,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:31,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:31,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:31,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:31,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:31,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:31,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:31,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:31,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:31,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:31,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:31,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:31,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:31,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:31,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:31,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:31,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:31,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:31,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:31,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:31,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:35:31,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:31,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:31,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:31,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:31,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:31,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:31,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:31,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:31,832 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:31,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:31,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:31,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:31,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:31,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:31,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:35:31,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:35:31,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:35:31,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:31,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:31,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:31,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:31,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:31,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:31,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:31,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:31,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:31,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:31,840 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:35:31,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:31,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:31,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:31,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:31,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:35:31,842 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-02 20:35:32,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:32,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:32,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:32,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:32,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:32,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:35:32,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/e1fbf81ca/545a7ab418e14048aea14bae229b93a6/FLAGa5cbbe330 [2022-11-02 20:35:33,533 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:33,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:35:33,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/e1fbf81ca/545a7ab418e14048aea14bae229b93a6/FLAGa5cbbe330 [2022-11-02 20:35:33,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/data/e1fbf81ca/545a7ab418e14048aea14bae229b93a6 [2022-11-02 20:35:33,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:33,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:33,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:33,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:33,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:33,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:33" (1/1) ... [2022-11-02 20:35:33,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5354b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:33, skipping insertion in model container [2022-11-02 20:35:33,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:33" (1/1) ... [2022-11-02 20:35:33,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:34,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:36,388 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_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-02 20:35:36,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:36,492 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 20:35:36,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:36,958 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_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-02 20:35:36,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:37,011 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:37,458 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_894ca816-03d6-4e7b-bf75-32a063e4a547/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-02 20:35:37,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:37,908 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:37,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37 WrapperNode [2022-11-02 20:35:37,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:37,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:37,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:37,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:37,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,326 INFO L138 Inliner]: procedures = 214, calls = 1489, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3236 [2022-11-02 20:35:38,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:38,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:38,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:38,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:38,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:38,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:38,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:38,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:38,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (1/1) ... [2022-11-02 20:35:38,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:38,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:38,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 20:35:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 20:35:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 20:35:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:35:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 20:35:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:35:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:35:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:35:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:35:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:35:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:35:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:35:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:35:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:35:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-02 20:35:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-02 20:35:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:35:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:35:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-02 20:35:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-02 20:35:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-02 20:35:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-02 20:35:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:35:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:35:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-02 20:35:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-02 20:35:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:35:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:35:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:35:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:35:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:35:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:35:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:35:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 20:35:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 20:35:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-02 20:35:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-02 20:35:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:35:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:35:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 20:35:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 20:35:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 20:35:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-02 20:35:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-02 20:35:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 20:35:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:35:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:35:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:35:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:35:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:35:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:35:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-02 20:35:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-02 20:35:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:35:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:35:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-02 20:35:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-02 20:35:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:35:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:35:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-02 20:35:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-02 20:35:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:35:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:35:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-02 20:35:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-02 20:35:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-02 20:35:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-02 20:35:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:35:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:35:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:35:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:35:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:35:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:35:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:35:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:35:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-02 20:35:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-02 20:35:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:35:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:35:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-02 20:35:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-02 20:35:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:35:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:35:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:35:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:35:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:35:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:35:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-02 20:35:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-02 20:35:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-02 20:35:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-02 20:35:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-02 20:35:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-02 20:35:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:35:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:35:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:35:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-02 20:35:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-02 20:35:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:35:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-02 20:35:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-02 20:35:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-02 20:35:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:35:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:35:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-02 20:35:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-02 20:35:38,815 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-02 20:35:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-02 20:35:38,817 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:35:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:35:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:35:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:35:38,820 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-02 20:35:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-02 20:35:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-02 20:35:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-02 20:35:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:35:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:35:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:35:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:35:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:35:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:35:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-02 20:35:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-02 20:35:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-02 20:35:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-02 20:35:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-02 20:35:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-02 20:35:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-02 20:35:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-02 20:35:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-02 20:35:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-02 20:35:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-02 20:35:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-02 20:35:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-02 20:35:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:35:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:35:39,686 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:39,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:45,590 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,595 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,619 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,622 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,625 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,626 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:35:45,636 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:36:06,701 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-11-02 20:36:06,702 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-11-02 20:36:06,702 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-02 20:36:06,702 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-02 20:36:06,702 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-11-02 20:36:06,702 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-11-02 20:36:06,703 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2022-11-02 20:36:06,703 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2022-11-02 20:36:06,703 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-11-02 20:36:06,703 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2022-11-02 20:36:06,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-02 20:36:06,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-02 20:36:06,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2022-11-02 20:36:06,704 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2022-11-02 20:36:06,885 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:06,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:06,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:36:06,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:06 BoogieIcfgContainer [2022-11-02 20:36:06,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:06,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:36:06,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:36:06,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:36:06,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:33" (1/3) ... [2022-11-02 20:36:06,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d72519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:06, skipping insertion in model container [2022-11-02 20:36:06,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:37" (2/3) ... [2022-11-02 20:36:06,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d72519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:06, skipping insertion in model container [2022-11-02 20:36:06,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:06" (3/3) ... [2022-11-02 20:36:06,935 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-02 20:36:06,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:36:06,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:36:07,085 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:36:07,093 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;@527fba83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:36:07,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:36:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-02 20:36:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-02 20:36:07,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:07,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:07,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:07,130 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2022-11-02 20:36:07,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:07,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229759372] [2022-11-02 20:36:07,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:07,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:07,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:07,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:36:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:08,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:36:08,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:08,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:08,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:08,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229759372] [2022-11-02 20:36:08,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229759372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:08,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:08,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:36:08,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049033747] [2022-11-02 20:36:08,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:08,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:36:08,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:08,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:36:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:08,680 INFO L87 Difference]: Start difference. First operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:36:09,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:09,055 INFO L93 Difference]: Finished difference Result 2123 states and 2971 transitions. [2022-11-02 20:36:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:36:09,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-02 20:36:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:09,090 INFO L225 Difference]: With dead ends: 2123 [2022-11-02 20:36:09,090 INFO L226 Difference]: Without dead ends: 1060 [2022-11-02 20:36:09,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:09,106 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:09,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2948 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:36:09,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-02 20:36:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1059. [2022-11-02 20:36:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 743 states have (on average 1.2866756393001346) internal successors, (956), 749 states have internal predecessors, (956), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-02 20:36:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1474 transitions. [2022-11-02 20:36:09,334 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1474 transitions. Word has length 21 [2022-11-02 20:36:09,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:09,335 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1474 transitions. [2022-11-02 20:36:09,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:36:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1474 transitions. [2022-11-02 20:36:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:36:09,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:09,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:09,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-02 20:36:09,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:09,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:09,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash 172351718, now seen corresponding path program 1 times [2022-11-02 20:36:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:09,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036171121] [2022-11-02 20:36:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:09,557 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:09,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:09,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:09,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:36:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:10,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:36:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:10,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:10,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:10,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036171121] [2022-11-02 20:36:10,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036171121] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:36:10,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:36:10,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-02 20:36:10,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490946255] [2022-11-02 20:36:10,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:36:10,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:36:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:10,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:36:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:36:10,946 INFO L87 Difference]: Start difference. First operand 1059 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:36:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:11,236 INFO L93 Difference]: Finished difference Result 2118 states and 2950 transitions. [2022-11-02 20:36:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:36:11,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 23 [2022-11-02 20:36:11,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:11,245 INFO L225 Difference]: With dead ends: 2118 [2022-11-02 20:36:11,246 INFO L226 Difference]: Without dead ends: 1065 [2022-11-02 20:36:11,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:11,251 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 4 mSDsluCounter, 5876 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:11,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7347 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:36:11,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-11-02 20:36:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2022-11-02 20:36:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 749 states have (on average 1.2843791722296396) internal successors, (962), 755 states have internal predecessors, (962), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-02 20:36:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1480 transitions. [2022-11-02 20:36:11,316 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1480 transitions. Word has length 23 [2022-11-02 20:36:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:11,317 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1480 transitions. [2022-11-02 20:36:11,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:36:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1480 transitions. [2022-11-02 20:36:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-02 20:36:11,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:11,318 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:11,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:11,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:11,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 55524026, now seen corresponding path program 2 times [2022-11-02 20:36:11,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:11,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536923053] [2022-11-02 20:36:11,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:36:11,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:11,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:11,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:36:12,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:36:12,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:36:12,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:36:12,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-02 20:36:12,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:12,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:12,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536923053] [2022-11-02 20:36:12,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536923053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:12,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:12,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:36:12,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598367756] [2022-11-02 20:36:12,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:12,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:36:12,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:36:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:12,915 INFO L87 Difference]: Start difference. First operand 1065 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:36:13,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:13,099 INFO L93 Difference]: Finished difference Result 3155 states and 4394 transitions. [2022-11-02 20:36:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:36:13,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-02 20:36:13,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:13,117 INFO L225 Difference]: With dead ends: 3155 [2022-11-02 20:36:13,117 INFO L226 Difference]: Without dead ends: 2104 [2022-11-02 20:36:13,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:36:13,134 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 1448 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:13,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 3425 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:36:13,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2022-11-02 20:36:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2101. [2022-11-02 20:36:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 1474 states have (on average 1.2835820895522387) internal successors, (1892), 1485 states have internal predecessors, (1892), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-02 20:36:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2922 transitions. [2022-11-02 20:36:13,305 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2922 transitions. Word has length 29 [2022-11-02 20:36:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:13,307 INFO L495 AbstractCegarLoop]: Abstraction has 2101 states and 2922 transitions. [2022-11-02 20:36:13,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:36:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2922 transitions. [2022-11-02 20:36:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-02 20:36:13,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:13,320 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:13,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:13,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:13,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:13,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:13,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2025144539, now seen corresponding path program 1 times [2022-11-02 20:36:13,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:13,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885566295] [2022-11-02 20:36:13,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:13,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:13,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:36:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:14,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:36:14,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:15,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:15,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:15,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885566295] [2022-11-02 20:36:15,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885566295] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:36:15,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:36:15,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-02 20:36:15,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008594538] [2022-11-02 20:36:15,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:36:15,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:36:15,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:15,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:36:15,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:36:15,307 INFO L87 Difference]: Start difference. First operand 2101 states and 2922 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:36:16,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:16,138 INFO L93 Difference]: Finished difference Result 4202 states and 5849 transitions. [2022-11-02 20:36:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 20:36:16,139 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-11-02 20:36:16,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:16,153 INFO L225 Difference]: With dead ends: 4202 [2022-11-02 20:36:16,156 INFO L226 Difference]: Without dead ends: 2113 [2022-11-02 20:36:16,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:36:16,171 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10 mSDsluCounter, 7340 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:16,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8810 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:36:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2022-11-02 20:36:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2022-11-02 20:36:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1486 states have (on average 1.2812920592193808) internal successors, (1904), 1497 states have internal predecessors, (1904), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-02 20:36:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2934 transitions. [2022-11-02 20:36:16,322 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2934 transitions. Word has length 49 [2022-11-02 20:36:16,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:16,323 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2934 transitions. [2022-11-02 20:36:16,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:36:16,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2934 transitions. [2022-11-02 20:36:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:36:16,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:16,330 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:16,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:16,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:16,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:16,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 981484419, now seen corresponding path program 2 times [2022-11-02 20:36:16,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:16,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253799307] [2022-11-02 20:36:16,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:36:16,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:16,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:16,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:16,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:36:17,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:36:17,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:36:17,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:36:17,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-02 20:36:17,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:17,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:17,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253799307] [2022-11-02 20:36:17,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253799307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:17,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:17,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:17,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737244465] [2022-11-02 20:36:17,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:17,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:36:17,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:17,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:36:17,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:36:17,807 INFO L87 Difference]: Start difference. First operand 2113 states and 2934 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:36:19,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:19,423 INFO L93 Difference]: Finished difference Result 6077 states and 8738 transitions. [2022-11-02 20:36:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:36:19,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 61 [2022-11-02 20:36:19,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:19,451 INFO L225 Difference]: With dead ends: 6077 [2022-11-02 20:36:19,452 INFO L226 Difference]: Without dead ends: 3995 [2022-11-02 20:36:19,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:19,461 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2190 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9169 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:19,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 9169 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:36:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-11-02 20:36:19,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 2047. [2022-11-02 20:36:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1445 states have (on average 1.2816608996539793) internal successors, (1852), 1455 states have internal predecessors, (1852), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-02 20:36:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2832 transitions. [2022-11-02 20:36:19,691 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2832 transitions. Word has length 61 [2022-11-02 20:36:19,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:19,694 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2832 transitions. [2022-11-02 20:36:19,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:36:19,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2832 transitions. [2022-11-02 20:36:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-02 20:36:19,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:19,696 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:19,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:19,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:19,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:19,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:19,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1812840541, now seen corresponding path program 1 times [2022-11-02 20:36:19,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:19,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711947367] [2022-11-02 20:36:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:19,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:19,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:19,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:36:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:21,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-02 20:36:21,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:21,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:22,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:22,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711947367] [2022-11-02 20:36:22,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [711947367] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:36:22,777 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:36:22,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-11-02 20:36:22,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691833043] [2022-11-02 20:36:22,778 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:36:22,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-02 20:36:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:22,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-02 20:36:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-11-02 20:36:22,779 INFO L87 Difference]: Start difference. First operand 2047 states and 2832 transitions. Second operand has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:36:25,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:25,821 INFO L93 Difference]: Finished difference Result 4094 states and 5675 transitions. [2022-11-02 20:36:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-02 20:36:25,822 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-11-02 20:36:25,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:25,835 INFO L225 Difference]: With dead ends: 4094 [2022-11-02 20:36:25,835 INFO L226 Difference]: Without dead ends: 2071 [2022-11-02 20:36:25,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2022-11-02 20:36:25,846 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 23 mSDsluCounter, 19084 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 20554 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:25,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 20554 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:36:25,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2022-11-02 20:36:26,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2071. [2022-11-02 20:36:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1469 states have (on average 1.2770592239618788) internal successors, (1876), 1479 states have internal predecessors, (1876), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-02 20:36:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2856 transitions. [2022-11-02 20:36:26,045 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2856 transitions. Word has length 63 [2022-11-02 20:36:26,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:26,046 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2856 transitions. [2022-11-02 20:36:26,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-02 20:36:26,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2856 transitions. [2022-11-02 20:36:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-02 20:36:26,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:26,050 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:26,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:26,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:26,265 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:26,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1724546477, now seen corresponding path program 2 times [2022-11-02 20:36:26,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:26,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285028251] [2022-11-02 20:36:26,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:36:26,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:26,272 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:26,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-02 20:36:27,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:36:27,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:36:27,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:36:27,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-02 20:36:28,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:28,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:28,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285028251] [2022-11-02 20:36:28,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285028251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:28,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:28,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:36:28,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632368374] [2022-11-02 20:36:28,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:28,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:36:28,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:36:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:36:28,021 INFO L87 Difference]: Start difference. First operand 2071 states and 2856 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:36:33,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:33,761 INFO L93 Difference]: Finished difference Result 5144 states and 7129 transitions. [2022-11-02 20:36:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:36:33,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 87 [2022-11-02 20:36:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:33,791 INFO L225 Difference]: With dead ends: 5144 [2022-11-02 20:36:33,791 INFO L226 Difference]: Without dead ends: 4090 [2022-11-02 20:36:33,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:36:33,798 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 2777 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 5706 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:33,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 5706 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-02 20:36:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-11-02 20:36:34,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 4078. [2022-11-02 20:36:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2879 states have (on average 1.2820423758249393) internal successors, (3691), 2897 states have internal predecessors, (3691), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-02 20:36:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5647 transitions. [2022-11-02 20:36:34,095 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5647 transitions. Word has length 87 [2022-11-02 20:36:34,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:34,095 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5647 transitions. [2022-11-02 20:36:34,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:36:34,096 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5647 transitions. [2022-11-02 20:36:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:36:34,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:34,098 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:34,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:34,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:34,321 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:34,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:34,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2143028962, now seen corresponding path program 1 times [2022-11-02 20:36:34,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:34,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458982990] [2022-11-02 20:36:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:34,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:34,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-02 20:36:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:35,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-02 20:36:35,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:36,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:39,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:39,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458982990] [2022-11-02 20:36:39,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458982990] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:36:39,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:36:39,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2022-11-02 20:36:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819994562] [2022-11-02 20:36:39,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:36:39,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-02 20:36:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:39,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-02 20:36:39,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=1725, Unknown=0, NotChecked=0, Total=2256 [2022-11-02 20:36:39,950 INFO L87 Difference]: Start difference. First operand 4078 states and 5647 transitions. Second operand has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-02 20:36:45,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:45,717 INFO L93 Difference]: Finished difference Result 8128 states and 11275 transitions. [2022-11-02 20:36:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-02 20:36:45,718 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 91 [2022-11-02 20:36:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:45,742 INFO L225 Difference]: With dead ends: 8128 [2022-11-02 20:36:45,742 INFO L226 Difference]: Without dead ends: 4098 [2022-11-02 20:36:45,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=803, Invalid=2277, Unknown=0, NotChecked=0, Total=3080 [2022-11-02 20:36:45,757 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 33 mSDsluCounter, 35232 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 36702 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:45,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 36702 Invalid, 978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-02 20:36:45,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2022-11-02 20:36:46,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2022-11-02 20:36:46,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2800965850293204) internal successors, (3711), 2917 states have internal predecessors, (3711), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-02 20:36:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5667 transitions. [2022-11-02 20:36:46,060 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5667 transitions. Word has length 91 [2022-11-02 20:36:46,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:46,061 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5667 transitions. [2022-11-02 20:36:46,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-02 20:36:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5667 transitions. [2022-11-02 20:36:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-02 20:36:46,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:46,073 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:46,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:46,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:46,297 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:46,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:46,298 INFO L85 PathProgramCache]: Analyzing trace with hash -457110534, now seen corresponding path program 2 times [2022-11-02 20:36:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:46,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380043116] [2022-11-02 20:36:46,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:36:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:46,302 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:46,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-02 20:36:47,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 20:36:47,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:36:47,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:36:47,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:36:47,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:47,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:47,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380043116] [2022-11-02 20:36:47,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380043116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:47,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:47,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:36:47,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211381761] [2022-11-02 20:36:47,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:47,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:36:47,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:47,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:36:47,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:36:47,543 INFO L87 Difference]: Start difference. First operand 4098 states and 5667 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:36:49,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:49,244 INFO L93 Difference]: Finished difference Result 9102 states and 12925 transitions. [2022-11-02 20:36:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:36:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2022-11-02 20:36:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:49,304 INFO L225 Difference]: With dead ends: 9102 [2022-11-02 20:36:49,305 INFO L226 Difference]: Without dead ends: 6045 [2022-11-02 20:36:49,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:49,318 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 2018 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:49,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 6729 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:36:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2022-11-02 20:36:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 4098. [2022-11-02 20:36:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2794066919627458) internal successors, (3709), 2917 states have internal predecessors, (3709), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-02 20:36:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5665 transitions. [2022-11-02 20:36:49,807 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5665 transitions. Word has length 111 [2022-11-02 20:36:49,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:49,808 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5665 transitions. [2022-11-02 20:36:49,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:36:49,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5665 transitions. [2022-11-02 20:36:49,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-02 20:36:49,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:49,812 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:49,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:50,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:36:50,037 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:50,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:50,038 INFO L85 PathProgramCache]: Analyzing trace with hash -199241997, now seen corresponding path program 1 times [2022-11-02 20:36:50,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:50,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184290625] [2022-11-02 20:36:50,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:50,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:50,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:50,040 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:50,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_894ca816-03d6-4e7b-bf75-32a063e4a547/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-02 20:36:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:51,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 20:36:51,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-02 20:36:51,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:36:51,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:36:51,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184290625] [2022-11-02 20:36:51,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184290625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:36:51,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:36:51,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:36:51,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326767297] [2022-11-02 20:36:51,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:36:51,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:36:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:36:51,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:36:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:36:51,735 INFO L87 Difference]: Start difference. First operand 4098 states and 5665 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5)